Glossary

Resistance to surface wear caused by friction, particulates, or repetitive motion against a mating surface. This property extends sealing and wear/friction control component life in hydraulic cylinders, piston rings, and bearings exposed to contamination or constant cycling. Omniseal Solutions achieves it using bespoke materials like Rulon® Meldin® and Hycomp™ materials in conjunction with bespoke design of components.

A gearbox on aircraft engines or gas turbines that drives fuel pumps, oil pumps, generators, and hydraulic pumps. It operates at high speeds and extreme temperatures up to 180°C (356°F). Omniseal Solutions provides spring-energized seals and stator vane bushes for these applications, compatible with HPC/HTS oils.

Solutions used in linear or rotary actuators to prevent fluid or gas leakage while maintaining performance under dynamic motion, pressure spikes, and temperature extremes. Actuators in aerospace, industrial automation, and valve applications require low friction and consistent sealing force to avoid stick-slip or blow-by. Omniseal Solutions provides components and custom Rulon® profiles for actuator sealing, offering predictable operation from cryogenic to 315°C+.

A seal designed to minimize gas or air leakage across gaps in rotating or stationary components, typically in gas turbine engines, compressors, or air management systems. Unlike contact seals, aerodynamic seals use pressure differentials to create a restrictive flow path, reducing bleed air loss and improving efficiency. Omniseal Solutions engineers spring-energized and tip seals for aerodynamic applications, balancing leakage control with wear resistance at high surface speeds.

A sealing solution designed for extreme environments within jet engines, turbofans, and turboshafts, including compressor sections, turbine sections, and bearing compartments. Aircraft engine seals must withstand high temperatures, high speeds, pressure differentials, and exposure to jet fuels and synthetic oils. Omniseal Solutions manufactures spring-energized seals, metal seals, piston rings, and stator vane bushes using Fluoroloy® fluoropolymers engineered for reliable performance from fan to turbine stages.

A mature water electrolysis technology that uses a liquid alkaline solution (typically potassium hydroxide KOH) as the electrolyte to produce hydrogen and oxygen. Alkaline electrolyzers operate at lower pressures and temperatures than PEM systems. Omniseal Solutions manufactures KOH-resistant seals and gaskets using PTFE, Fluoroloy® fluoropolymer compounds, and other chemically compatible materials for alkaline electrolyzer stacks.

A manufacturing process that forces heated aluminum billet through a shaped die under high pressure to produce continuous profiles with consistent cross-sectional geometry. Aluminum extrusion requires wear components including bearings, bushings, and wear plates that withstand high pressure, temperature, and abrasion. Omniseal Solutions provides advanced polymer wear plates, sliding liners, and bearings for aluminum extrusion presses made from Hycomp™ composites. These solutions offer self-lubricating, extended-life alternatives to bronze components.

A type of electrolyzer or fuel cell membrane that conducts negatively charged ions (hydroxyl ions, OH⁻) while blocking positively charged ions and gas crossover. AEM electrolyzers operate at lower temperatures than solid oxide systems and can use lower-cost materials than PEM designs. Omniseal Solutions provides chemically resistant gaskets and seals for AEM electrolyzers, engineered to withstand alkaline conditions and maintain long-term durability.

The primary trade association for the U.S. oil and natural gas industry, which develops over 800 consensus-based standards covering all segments of the industry including drilling, production, refining, and pipeline operations. API standards specify material grades, dimensional tolerances, pressure ratings, and performance testing for sealing components. Omniseal Solutions provides API-compliant materials which are then used in spring-energized seals and metal seals for downhole tools, wellhead equipment, and subsea systems.

The technical discipline of tailoring product designs and material selections to specific operating conditions including pressure, temperature, media, motion type, and duty cycle. Application engineering bridges standard catalog products to real-world performance requirements. Omniseal Solutions provides application engineering services including custom sealing and wear/friction control component design, material compound selection, groove optimization, and analytical simulation for unique customer applications.

An aerospace standard that specifies the requirements for hydraulic system tube fittings and re-usable fittings for aircraft, including the dimensions, materials, and performance criteria for metal seals used in these systems. Compliance with AS1895 ensures interchangeability, reliability, and leak integrity under high pressure and extreme temperatures. Omniseal Solutions manufactures metal seals certified to AS1895 for aerospace hydraulic systems, fuel lines, and pneumatic applications where strict adherence to industry standards is mandatory.

Specific configurations within the SAE AS1895 aerospace standard for metal seals used in high-pressure, high-temperature aircraft bleed air systems, with defined dimensions, materials, and performance requirements. AS1895-7 and -23 seals are designed for flange joints requiring reliable sealing from -54°C to +649°C (-65°F to +1200°F). Omniseal Solutions manufactures AS1895-7 and -23 certified metal seals for commercial and military aircraft bleed air management systems.

An aerospace standard specifying the dimensions, materials, and performance requirements for reusable hydraulic tube fittings and port connections used in aircraft hydraulic systems. AS5202 fittings feature a boss and port design with a metal seal to prevent leakage under high pressure. Omniseal Solutions manufactures metal boss seals certified to AS5202 for aerospace hydraulic applications, offering superior leakage control, easy installation, and reliable performance from cryogenic to 1100°C and pressures up to 551.6 MPa (80,000 PSI).

A self-contained power unit on aircraft or spacecraft that provides electrical and pneumatic power for engine starting, cabin systems, and ground operations independent of main engines or ground power. APUs operate at high temperatures and speeds requiring reliable sealing. Omniseal Solutions manufactures spring-energized seals, metal seals, and polymer bearings for APU compressors, turbines, gearboxes, and fuel systems.

A sealing configuration where the seal acts on faces that are perpendicular to the axis of rotation or motion, with the sealing force applied perpendicular to those mating faces. Axial seals accommodate slow-speed translation or limited rotation while maintaining contact pressure. Omniseal Solutions manufactures axial seals including metal turbo seals and custom spring-energized designs for turbine shafts, bearing compartments, and aerospace applications where reliable axial sealing is required.

A rigid or semi-rigid ring installed adjacent to a primary seal to prevent extrusion into the clearance gap under high pressure. Backup rings are typically made from PEEK, filled PTFE, or engineered polymers. Omniseal Solutions manufactures PEEK, filled PTFE or engineered polymer backup rings for hydraulic and pneumatic systems operating above 3,000 PSI, designed to support spring-energized seals in pressure spike and high-cycle applications.

A component that supports relative motion between two surfaces while controlling friction, wear, and alignment. Bearings accommodate radial or axial loads in rotating or reciprocating systems. Omniseal Solutions manufactures polymer bearings using Rulon® fluoropolymer, Meldin® polyimides/thermoplastics, and Hycomp™ composite compounds, engineered for low friction, high wear resistance, and reliable operation in aerospace actuators, industrial pumps, and compressor applications where metal bearings may fail due to lubrication loss.

The internal cavity within a gas turbine engine, aircraft accessory gearbox, or industrial rotating machine that houses bearings and requires oil containment and contaminant exclusion. Bearing compartments operate at high speeds, high temperatures, and require reliable sealing to prevent oil leakage. Omniseal Solutions provides spring-energized seals, stator vane bushes, and Rulon® wear components for bearing compartments in aircraft engines, gas turbines, and industrial gearboxes, engineered for extreme conditions and long overhaul intervals.

A material property describing polymers that degrade and are absorbed by the body over time, eliminating the need for surgical removal after healing. Bioresorbable materials are used in temporary medical implants, drug delivery systems, and surgical devices. Omniseal Solutions manufactures bioresorbable polymer components and seals for medical applications requiring temporary presence followed by natural absorption.

An aircraft pneumatic system that extracts compressed air from engine compressor stages for cabin pressurization, air conditioning, wing anti-icing, and engine starting. Bleed air systems operate at high temperatures (up to 600°C/1,112°F) and pressures. Omniseal Solutions provides high-temperature metal seals, spring-energized seals and Meldin® thermoplastic components for bleed air valves, ducts, flexible joints, and pressure regulators.

The initial frictional force required to overcome static resistance and initiate motion between two sealed surfaces. Breakaway friction is typically higher than running friction and can cause jerky starts, positioning errors, or actuator overshoot if not properly managed. Omniseal Solutions minimizes breakaway friction using low-stiction PTFE compounds and optimized spring geometries, ensuring smooth actuation in pneumatic cylinders, hydraulic systems, and control valves.

A cylindrical wear component inserted between moving parts to reduce friction, absorb vibration, and prevent direct metal-to-metal contact. Bushings are used in rotating or oscillating applications including hinges, linkages, and vane actuation systems. Omniseal Solutions manufactures bushings including stator vane bushes using Rulon® fluoropolymer compounds, Meldin® polyimides/thermoplastics, and Hycomp™ composites, engineered for high load capacity, low wear, and dimensional stability across extreme temperature ranges.

A metallic sealing device with a C-shaped cross-section that compresses between two mating surfaces to create a leak-tight barrier under high pressure, vacuum, or extreme temperatures. The C-shaped profile allows the seal to act as a spring, maintaining contact force even with flange separation or thermal cycling. Omniseal Solutions manufactures C-seals from stainless steel, Inconel, and other high-performance alloys for semiconductor processing, aerospace engines, nuclear reactors, and downhole tools where elastomeric seals cannot survive.

A spring design consisting of a coil wound at an angle, creating multiple contact points that provide consistent force over a wide range of deflection. Canted coil springs offer low solid height, high deflection capability, and near-constant force output, making them ideal for sealing applications requiring tolerance accommodation. Omniseal Solutions uses canted coil springs in spring-energized seals for high-pressure, cryogenic, and vacuum applications in space, semiconductor, and industrial equipment.

The process of capturing carbon dioxide (CO₂) emissions from industrial sources for geological storage or utilization. Omniseal Solutions provides seals for carbon capture applications, tested and compliant with NORSOK M-710 Ed. 3.

A face seal constructed from carbon-graphite materials, used in high-speed rotating applications such as gas turbine main shafts and aircraft engine starters. Carbon seals offer good high-temperature capability but can be brittle and require careful handling. Omniseal Solutions provides spring-energized PTFE and metal seals as alternatives to carbon seals, offering greater fracture resistance, chemical compatibility, and easier installation without specialized assembly procedures.

The ability of a sealing material to resist degradation, swelling, or loss of mechanical properties when exposed to specific fluids, gases, or cleaning agents. Chemical compatibility is critical for seals in contact with fuels, hydraulic fluids, acids, solvents, or pharmaceutical processing media. Omniseal Solutions offers chemical compatibility across a range of jacket materials including PTFE, Fluoroloy® fluoropolymer compounds all of which resist nearly all chemicals over a wide temperature range.

A semiconductor manufacturing process that uses chemical slurry and mechanical polishing to flatten wafer surfaces between lithography steps, enabling multilayer circuit fabrication. CMP equipment requires seals resistant to abrasive slurries and aggressive chemicals. Omniseal Solutions provides CMP-compatible seals using Fluoroloy® fluoropolymer compounds and PEEK materials with low wear and excellent chemical compatibility.

A layer of material applied to the surface of a seal to modify its functional properties, such as improving wear resistance, reducing friction, or enhancing chemical compatibility, without significantly altering base material dimensions. Coatings are used across aerospace, nuclear, and industrial sealing applications to extend service life under extreme conditions. Omniseal Solutions offers proprietary coatings such as NCCM on its metal seal products.

A sealing component installed in the combustion section of a gas turbine engine or rocket motor, preventing hot gas leakage between liners, casings, and fuel injectors. Combustion chamber seals must withstand extreme temperatures, pressure pulsations, and thermal cycling while maintaining leak integrity. Omniseal Solutions manufactures custom metal seals and spring-energized seals for combustion chambers in aircraft engines, industrial gas turbines, and rocket propulsion systems.

A specialized metal seal with a distinctive comma-shaped cross-section, designed for face sealing applications where controlled deflection and consistent springback are required under variable clamping loads. The asymmetrical profile allows the seal to maintain contact pressure despite flange separation, thermal cycling, or bolt load relaxation. Omniseal Solutions manufactures comma seals using high-performance alloys such as Inconel® and stainless steel, engineered for aerospace engines, gas turbines, and industrial flanges where reliable face sealing is critical.

A material engineered from two or more constituent materials with significantly different physical or chemical properties, which remain separate and distinct within the finished structure. Composites combine a reinforcing phase (fibers, particles) with a matrix phase (polymer, metal, ceramic) to achieve properties superior to either constituent alone. Omniseal Solutions manufactures advanced polymer composites including Hycomp™ composites and other proprietary formulations, engineered for high wear resistance, low friction, and dimensional stability in demanding sealing and bearing applications.

The permanent deformation remaining in a sealing material after it has been compressed for a prolonged period and the load is removed. High compression set reduces a seal's ability to maintain contact pressure over time, leading to leakage. Omniseal Solutions minimizes compression set using high-performance fluoropolymers and spring-energized designs where the metallic spring maintains sealing force even if the jacket material experiences some permanent deformation under load.

A sealing solution used in screw, scroll, and piston compressors to contain pressurized gases, prevent oil migration, and maintain volumetric efficiency. Compressor seals operate under high pressure, high speed, and often dry or poor lubricated conditions where heat generation and wear are significant challenges. Omniseal Solutions engineers spring-energized seals, piston rings, rotary lip seals and PEEK-based components for air compressors, refrigeration compressors, hydrogen compressors, and gas compressors, offering low friction and extended service life without degradation.

The time-dependent permanent deformation of a sealing or wear/friction control material under constant mechanical stress, often accelerated by elevated temperatures. Creep causes components to lose energizing force, reduce contact pressure, and eventually fail. Omniseal Solutions mitigates creep using advanced material formulations, such as PTFE based compounds with glass, carbon, or PEEK fillers that maintain dimensional stability over extended service life in demanding applications. Other materials include thermosets, thermoplastics, polyimides and carbon composites.

A sealing solution designed for service at temperatures below -150°C (-238°F), including liquid hydrogen, liquid oxygen, and liquid natural gas (LNG) applications. Cryogenic seals must maintain flexibility and sealing force despite extreme material contraction, embrittlement risks, and thermal shock. Omniseal Solutions engineers spring-energized seals with low-temperature jacket materials including modified PTFE and PCTFE, maintaining leak-tight integrity in space propulsion, LNG transfer, and medical cryogenics applications.

A vacuum-insulated container designed to maintain extremely low temperatures, typically for superconducting magnets, cryogenic fluids, or scientific instrumentation. Cryostats must maintain vacuum integrity while accommodating thermal contraction and expansion. Omniseal Solutions provides metal seals and specialized polymer seals for cryostat ports, feedthroughs, and access doors in fusion reactors, MRI machines, and space simulation chambers.

A type of polymer seal with a characteristic cup-shaped cross-section, designed to seal against reciprocating pistons or rods under high pressure. The cup shape allows the seal to be pressure-activated, with higher system pressures forcing the sealing lips more firmly against the mating surface. Omniseal Solutions manufactures cup seals using custom material formulations for hydraulic cylinders, accumulators, and pneumatic systems requiring low friction and long life.

A type of particle accelerator that uses a constant magnetic field and alternating electric field to propel charged particles along a spiral path, generating high-energy beams for medical isotope production, radiation therapy, and physics research. Cyclotrons require ultra-high vacuum sealing and precise alignment. Omniseal Solutions manufactures metal seals and low-outgassing polymer components for cyclotron vacuum chambers, beamlines, and target stations.

A flexible, pressure-responsive sealing membrane that separates two chambers while allowing displacement or actuation. Diaphragms move in response to pressure differentials to regulate flow, isolate media, or drive pumps and valves. Omniseal Solutions manufactures fluoropolymer diaphragms using PTFE compounds for air-operated double diaphragm pumps, control valves, and regulators, offering chemical compatibility, flex life endurance, and reliable performance from cryogenic to elevated temperatures.

Solutions used in oil and gas wellbore equipment including packers, subsurface safety valves, drill motors, and logging tools, operating at depths exceeding 10,000 feet. Downhole components face extreme pressures, sour gas (H₂S), high temperatures, and rapid pressure fluctuations. Omniseal Solutions provides precision engineered components with corrosion-resistant alloys and high-strength fluoropolymers including Rulon® and PEEK, engineered for hostile downhole environments.

A dynamic seal operates between surfaces in relative motion (rotating or reciprocating), requiring low friction, wear resistance, and controlled leakage. A static seal operates between non-moving surfaces, requiring only sustained contact pressure and chemical stability. Omniseal Solutions manufactures spring-energized seals and rotary lip seals suitable for both dynamic and static applications, with material selection and spring type tailored to motion type, speed, pressure, and temperature.

A metal seal with an E-shaped or multi-lobed cross-section designed for face sealing applications requiring low load, flexibility, and high-temperature capability. The E-profile operates primarily within the elastic limits of the material, providing consistent sealing force across temperature and pressure cycles. Omniseal Solutions manufactures metal E-seals using corrosion-resistant superalloys for internal and external pressure applications in aircraft engines, power generation systems, and nuclear containment.

A class of polymers with viscoelastic properties and the ability to return to original shape after significant deformation, characterized by low Young's modulus and high failure strain. Common elastomers include nitrile (NBR), fluoroelastomer (FKM), and silicone. Unlike thermoplastic or thermoset sealing materials, elastomers are flexible and conformable but have narrower temperature ranges and can swell or degrade in aggressive chemicals. Omniseal Solutions manufactures custom material fomulations and design engineers solutions as high-performance alternatives to elastomers, offering wider temperature ranges from cryogenic to 315°C+, broader chemical compatibility, lower friction, and freedom from swell, degradation, or compression set.

An electric motor and controller system that provides thrust for electric aircraft, hybrid-electric propulsion systems, and urban air mobility vehicles including EVTOLs. EPUs require electrical insulation, thermal management, and reliable sealing in compact, lightweight packages. Omniseal Solutions provides electrically insulating polymer bearings, seals, and wear components for EPU motors, generators, and power electronics.

A device that uses electrical energy to split water (H₂O) into hydrogen (H₂) and oxygen (O₂) through electrolysis, enabling the production of green hydrogen from renewable electricity. Electrolyzers require seals that handle alkaline or acidic electrolytes, high pressures, and gas permeation. Omniseal Solutions manufactures fluoropolymer gaskets, spring-energized seals, and metal seals for PEM and alkaline electrolyzers cell stacks and balance-of-plant components.

A device that converts electrical energy into mechanical motion using an electric motor and gearbox, used for precision positioning in aircraft flight control systems, landing gear, and thrust reversers. EMAs require sealing against contamination, moisture, and pressure while maintaining low friction. Omniseal Solutions provides low-friction polymer seals and bearings for EMA shafts, pistons, and housing interfaces in aerospace applications.

Semiconductor manufacturing equipment that removes selected material layers from wafers using plasma (dry etch) or chemical solutions (wet etch) to define circuit patterns. Etching equipment seals must resist aggressive plasmas, reactive gases, or corrosive etchants. Omniseal Solutions provides plasma-resistant and chemically compatible seals using PTFE, Rulon®, and Meldin® compounds, as well as metal seals for etching chambers and fluid delivery systems.

The deformation or flow of a sealing material into the clearance gap between mating hardware components under hydraulic or pneumatic pressure. Extrusion causes seal nibbling, surface tearing, or complete blowout when pressures exceed the material's resistance. Omniseal Solutions prevents extrusion using high-pressure jacketing materials including filled PTFE compounds and PEEK, combined with anti-extrusion backup rings and optimized groove designs for systems operating above 3,000 PSI.

The ability of a sealing material to withstand high pressure without being forced into the clearance gap between mating hardware components. Poor extrusion resistance leads to seal pinching, nibbling, or catastrophic blowout under pressure spikes. Omniseal Solutions enhances extrusion resistance using high-strength PEEK backup rings, filled PTFE compounds, and optimized groove designs for hydraulic and pneumatic systems operating above 3,000 PSI.

A seal that creates a leak-tight barrier along a plane perpendicular to the axis of rotation, typically between two mating flat surfaces. Face seals are used in mechanical seal applications and rotating unions where axial contact pressure maintains sealing. Omniseal Solutions provides spring-energized face seals and metal face seals for pumps, compressors, and mixers, engineered for applications requiring reliable axial sealing under pressure, temperature extremes, or corrosive media.

A high-performance polymer characterized by low friction, chemical inertness, and thermal stability across a wide temperature range. PTFE (polytetrafluoroethylene) resists nearly all chemicals and maintains properties from -250°C to +260°C. Omniseal Solutions compounds PTFE with fillers like carbon, glass, or PEEK to improve wear resistance and creep performance while retaining low friction for demanding sealing applications.

Any loose object, particle, or debris that can damage aircraft engines or critical components by ingestion or impact, including runway debris, loose tools, or broken hardware. FOD prevention requires sealing systems that retain internal components and exclude contaminants. Omniseal Solutions designs seals with anti-extrusion features and wear-resistant materials that resist FOD generation and ingress in aerospace engines and gearboxes.

A dimensionless value representing the ratio of frictional force between two surfaces to the normal force holding them together. Lower coefficients indicate less resistance, which is desirable for dynamic seals to reduce heat, wear, and energy consumption. Omniseal Solutions achieves friction coefficients as low as 0.05 using various proprietary compounds and jacketing materials, enabling efficient operation in rotary and reciprocating applications. Fluoropolymers, thermoplastics, polyimides and composites could be used in the final sealing or wear/friction control solution.

The engineering practice of managing frictional forces between moving components to optimize performance, reduce wear, and extend service life. Effective friction control balances the need for sealing integrity against the need for low resistance, preventing issues such as overheating, energy loss, and premature failure. Omniseal Solutions provides wear and friction control through custom material formulations (PI, PAI, PEEK, PPS, composites), surface engineering, and component designs tailored to specific pressure, speed, and temperature conditions.

A sealing component installed at the interface between a fuel nozzle or injector and its mounting in a combustion chamber or engine housing, preventing fuel leakage and ensuring proper fuel metering and atomization. Fuel nozzle seals must resist high temperatures, fuel chemical attack, and pressure pulsations. Omniseal Solutions manufactures custom metal seals and spring-energized polymer seals for fuel nozzles and injectors in aircraft engines, gas turbines, and automotive systems.

A device that generates energy by fusing atomic nuclei together under extreme temperatures and pressures, mimicking the process that powers the sun. Fusion reactors require ultra-high vacuum containment and sealing solutions that withstand neutron radiation, extreme heat, and cryogenic conditions. Omniseal Solutions manufactures custom metal seals and radiation-resistant polymer components for both public fusion research and commercial fusion companies.

A coiled steel spring formed into a ring, used to apply continuous radial tension to a sealing lip. In rotary lip seals, the garter spring maintains consistent contact pressure between the sealing lip and the rotating shaft, compensating for runout and misalignment. Omniseal Solutions uses corrosion-resistant garter springs in its rotary lip seal designs for high-speed aviation, industrial, and life science applications.

A sealing device used in land-based gas turbines for power generation or mechanical drive, preventing gas path leakage, oil migration, and contaminant ingress across rotating and stationary components. Gas turbine seals face extreme temperatures, high surface speeds, and long continuous run times requiring exceptional durability. Omniseal Solutions provides spring-energized seals, tip seals, and Rulon® wear components for compressor sections, combustion liners, and bearing housings in industrial and aero-derivative gas turbines.

A mechanical sealing component placed between two stationary mating surfaces to prevent leakage of fluids or gases under compression. Unlike dynamic seals, gaskets rely solely on compression to maintain a seal and do not accommodate motion. Omniseal Solutions manufactures advanced gaskets using fluoropolymer and proprietary Fluoroloy® materials for electrolyzers, fuel cells, chemical processing equipment, and industrial flanges requiring chemical resistance and long-term reliability.

A sealing solution used in gearboxes and transmissions to retain lubricating oil, exclude contaminants, and maintain pressure across rotating shafts and housing interfaces. Gearbox seals must accommodate high surface speeds, temperature variations, shaft runout, and oil additives while preventing leaks that lead to bearing failure or efficiency loss. Omniseal Solutions provides spring-energized rotary seals and custom lip seals for aerospace accessory gearboxes, industrial reducers, and wind turbine gearboxes, compatible with synthetic oils and extreme pressure additives.

A device that uses angular momentum to measure or maintain orientation and rotation, critical for inertial navigation systems in aircraft, spacecraft, missiles, and autonomous vehicles. Gyroscopes require precision sealing to maintain internal vacuum or fluid integrity. Omniseal Solutions provides custom metal seals and low-outgassing polymer seals for gyroscope housings, gimbals, and electronic enclosures in defense and aerospace applications.

A spring design formed by winding wire into a helix (spiral), providing linear force proportional to deflection. Helical coil springs are used in static or slow-speed sealing applications where consistent load is required without dynamic cycling. Omniseal Solutions manufactures spring-energized seals with helical coil springs for cryogenic face seals, valve stem seals, and high-pressure static applications in space, energy, and industrial markets.

A solution engineered for continuous service at or above 300°C (572°F), found in gas turbines, industrial ovens, and high-performance automotive exhaust systems. High temperature compnents resist thermal oxidation, compressive creep, and loss of mechanical properties at extreme heat. Omniseal Solutions provides tailor made material options and solutions using high-temperature materials including Meldin® polyimides and special fluoropolymers, capable of operating up to 365°C (690°F) in accessory gearbox and turbine applications.

A heavily shielded, enclosed workspace designed for the safe handling and processing of radioactive materials, protecting operators from radiation exposure while allowing remote manipulation through lead-lined windows and manipulator arms. Hot cells require reliable sealing at access ports, viewing windows, and transfer interfaces. Omniseal Solutions provides radiation-resistant metal seals and polymer seals for hot cell windows, transfer ports, and containment enclosures in nuclear medicine and research facilities.

Industry classification for oil and gas wells with bottomhole pressures exceeding 10,000 PSI (690 bar) and temperatures exceeding 300°F (150°C), often reaching up to 30,000 PSI and 500°F (260°C). HPHT environments demand solutions that resist extrusion, chemical attack, and thermal degradation while maintaining long-term reliability. Omniseal Solutions engineers HPHT-rated spring-energized seals and metal seals using bespoke polymer solutions, and high-strength superalloys for extreme downhole conditions.

A sealing component designed for use in hydraulic systems operating with fluid pressures typically ranging from 1,000 to 10,000+ PSI. Hydraulic seals must resist extrusion, pressure spikes, and fluid compatibility challenges while maintaining low friction for efficient operation. Omniseal Solutions provides spring-energized hydraulic seals, rod seals, piston seals, and backup rings using PTFE, Fluoroloy® compounds, and PEEK for cylinders, pumps, valves, and accumulators in mobile and industrial hydraulic applications.

A sealing mechanism that uses fluid dynamics to generate a pumping action or pressure gradient, actively preventing leakage rather than relying solely on contact pressure. Hydrodynamic features such as spiral grooves or helix patterns on sealing surfaces direct fluid back into the system. Omniseal Solutions incorporates hydrodynamic principles into custom rotary seal designs, reducing friction and heat generation while maintaining effective leakage control in high-speed pump and compressor applications.

The ability of a sealing material to resist hydrogen embrittlement, permeation, and rapid gas decompression (RGD) damage when exposed to high-pressure hydrogen gas or liquid hydrogen. Hydrogen compatibility is critical for seals in electrolyzers, fuel cells, hydrogen refueling stations, and rocket propulsion systems. Omniseal Solutions validates hydrogen compatibility through third-party testing for permeation, RGD resistance, and material stability in hydrogen environments.

A material degradation process where atomic hydrogen diffuses into metals, causing cracking, loss of ductility, and premature failure under stress. Hydrogen embrittlement is a critical concern for seals and components in hydrogen service, especially at high pressures. Omniseal Solutions selects hydrogen-compatible metal alloys and engineered fluoropolymer materials for seals in hydrogen production, storage, and transport applications to resist embrittlement.

A facility that dispenses hydrogen fuel for fuel cell electric vehicles at pressures typically up to 700 bar (10,000 PSI) for light-duty vehicles or 350 bar (5,000 PSI) for heavy-duty applications. HRS require high-pressure sealing solutions for dispensers, compressors, storage vessels, and breakaway couplings. Omniseal Solutions manufactures high-pressure metal seals and spring-energized polymer seals for hydrogen refueling station components.

A rocket propellant combination that ignites spontaneously upon contact between fuel and oxidizer, eliminating the need for an ignition system. Hypergolic propellants are highly toxic and corrosive, used in reaction control systems, orbital maneuvering thrusters, and some launch vehicle stages where reliable restart capability is required. Omniseal Solutions manufactures chemically resistant metal seals and spring-energized polymer seals for hypergolic propellant handling systems, valves, and feedlines in space applications.

 An industry standard from the Institute of Environmental Sciences and Technology that provides methods for specifying and determining product cleanliness levels. It defines acceptable limits for both particulate contamination and non-volatile residue (molecular contamination), enabling the control and verification of cleanliness to ensure product performance and reliability. The standard is widely applied in high-reliability industries such as aerospace, defense, and space systems.Omniseal Solutions designs and manufactures seals and  components processed and controlled to meet specified IEST-STD-CC1246E cleanliness levels, supporting applications requiring stringent contamination control such as space systems, cleanroom assembly, and precision instrumentation.

A non-contact sealing device that uses a tortuous leakage path of interlocking teeth and grooves to restrict fluid or gas flow. Labyrinth seals generate no friction or wear but allow higher leakage rates than contact seals. Omniseal Solutions provides spring-energized contact seals as alternatives to labyrinth seals in applications requiring near-zero leakage, lower temperatures, or where efficiency gains from leakage reduction justify higher friction.

The time elapsed between order placement and delivery of finished seals, including material sourcing, manufacturing, quality inspection, and logistics. Shorter lead times reduce inventory carrying costs and accelerate equipment commissioning or repairs. Omniseal Solutions offers standard lead times for spring-energized seals and custom Rulon® components, with rapid prototyping and emergency turnaround available for mission-critical applications. Lead times vary by product complexity; contact application engineering for current estimates.

The quantified volume or mass of fluid or gas passing through a sealing interface per unit of time, typically expressed in mL/min, cc/min, or bar·L/sec. Leakage rate is a critical performance metric for valves, pumps, and rotating shafts where minimizing emissions to the lowest achievable level is required, or a controlled weep is acceptable. Omniseal Solutions engineers seals to achieve specified leakage rates from near-zero for aerospace fuel systems to controlled weep for rotary applications.

A component engineered to minimize resistance during relative motion between surfaces, reducing heat generation, wear, and power consumption. Low friction is critical for dynamic applications such as rotary shafts, actuators, and high-speed compressors where energy efficiency and long component life are required. Omniseal Solutions achieves low friction using PTFE-based materials and Rulon® fluoropolymer compounds, delivering consistent performance across a wide temperature range without stick-slip behavior.

Oxygen in its liquid state at temperatures below -183°C (-297°F), used as an oxidizer in rocket propulsion systems. LOX is highly reactive and requires specialized cleaning and sealing solutions to prevent combustion or material degradation. Omniseal Solutions manufactures LOX-compatible metal seals and polymer seals with specialized cleanroom assembly and cleaning procedures certified for space applications.

A seal or wear/friction control solution operating without external lubricants such as oil or grease, relying instead on the material's inherent low friction properties and self-lubricating characteristics. Lubrication-free components reduce maintenance, eliminate contamination risks, and simplify system design. Omniseal Solutions achieves lubrication-free operation using various proprietary material compounds, and design engineered solutions that provide consistent low friction without grease or oil in aerospace actuators, industrial machinery, and cleanroom environments.

A seal manufactured by machining from solid stock material — including metals or PTFE — rather than by forming or stamping, offering precise dimensions and the ability to create complex geometries not achievable with formed seals. Machined seals excel in high-pressure, high-load environments where tight tolerances and specific surface finishes are required. Omniseal Solutions produces machined seals in metal and PTFE for aerospace, nuclear, and industrial applications requiring custom profiles, non-standard sizes, or small quantities where tooling for formed seals would be cost-prohibitive.

The primary transmission component in a helicopter that transfers power from the engine(s) to the main rotor, tail rotor, and accessory drives while reducing rotational speed. The MGB operates under high loads, speeds, and temperatures, requiring robust sealing to retain oil. Omniseal Solutions provides spring-energized seals and metal seals for MGB shafts, bearings, and housing interfaces with extended life up to 5,000 hours.

A seal or wear/friction control solution designed to operate for its entire service life without scheduled lubrication, adjustment, or replacement beyond standard inspection intervals. Maintenance-free components reduce downtime, lower operational costs, and improve system reliability. Omniseal Solutions provides maintenance-free solutions including polymer bearings, bushings, and spring-energized seals that do not require relubrication or frequent servicing, engineered for applications where access is difficult or downtime is expensive.

A special-design metal seal used in hydraulic fittings conforming to AS5202 aerospace standard, providing superior leakage control and easy installation. Metal boss seals are typically manufactured from stainless steel or other high-performance alloys and compress between a fitting boss and port. Omniseal Solutions manufactures metal boss seals for AS5202 fittings in aerospace hydraulic systems, offering reliable sealing from cryogenic to 1000°C (1,832°F) and pressures up to 551.6 MPa (80,000 PSI).

A hollow, circular metallic sealing element that compresses between two mating surfaces to create a leak-tight barrier under high pressure, vacuum, or extreme temperatures. Metal o-rings are typically manufactured from stainless steel, Inconel, or aluminum with optional coatings. Omniseal Solutions manufactures metal o-rings for semiconductor processing, aerospace engines, nuclear reactors, and downhole tools where elastomeric seals cannot survive the environment.

A rigid or semi-rigid circular metallic component that deforms under compression to create a leak-tight seal between flanges or mating hardware. Metal rings withstand extreme pressures, temperatures, and corrosive media without the swell or degradation of elastomers. Omniseal Solutions manufactures metal rings in various profiles including C-rings, O-rings, and spring-energized configurations for aerospace, nuclear, and oil and gas applications.

A sealing device manufactured from metallic materials such as stainless steel, Inconel, or aluminum, designed for extreme environments where elastomers or polymers cannot survive. Metal seals withstand temperatures exceeding 1000°C (1832°F), cryogenic conditions, radiation, and aggressive chemicals. Omniseal Solutions provides metal seals for aerospace engines, nuclear reactors, downhole tools, and hydrogen systems where sealing integrity under extreme pressure, temperature, or environmental exposure is critical.

A sealing configuration where two metallic surfaces are compressed directly against each other, relying on precise surface finishes and high contact pressure to prevent leakage without a separate gasket or elastomer. Metal to metal seals are used in extreme environments including high pressure, high temperature, cryogenic conditions, and radiation exposure. Omniseal Solutions provides metal to metal sealing solutions using C-seals, metal o-rings, and custom-engineered metal seals for aerospace, oil and gas, nuclear, and hydrogen applications.

A metal seal engineered for face or axial sealing applications requiring low load, flexibility, and high temperature capability. Metal turbo seals are often spring-energized to enhance sealing performance under thermal expansion and vibration. Omniseal Solutions manufactures metal turbo seals for cryogenic to +1010°C (+1859°F) service in gas turbines, helicopter engines, and power generation systems where cavities are wide enough to accommodate the seal profile.

A specialized manufacturing process for producing extremely small polymer components weighing less than one gram, with diameters of a few millimeters and tolerances between 10 and 100 microns. Micro injection molding enables the production of miniature seals with intricate geometries for medical devices, electronics, and aerospace applications. Omniseal Solutions utilizes micro injection molding to manufacture precision micro seals for implantable devices, diagnostic equipment, and minimally invasive surgical instruments.

Salt heated to a liquid state at high temperatures (typically 400°C to 700°C / 752°F to 1292°F), used as a coolant, heat transfer fluid, or fuel carrier in next-generation nuclear reactors and concentrated solar power plants. Molten salts are highly corrosive and demanding on sealing materials. Omniseal Solutions provides metal seals and specialized polymer seals that resist chemical degradation from molten salts in advanced nuclear and solar thermal applications.

The aerodynamic housing or pod that surrounds an aircraft engine, containing the fan, compressor, turbine, and accessories while providing aerodynamic fairing and structural mounting. Nacelles must withstand heat, vibration, and foreign object impact. Omniseal Solutions provides seals and wear components for nacelle doors, thrust reversers, engine mounts, and access panels.

A proprietary coating developed by Omniseal Solutions for metal seals, engineered to improve wear resistance, reduce friction, and fill surface irregularities on mating hardware, enhancing overall sealing performance. Coatings such as NCCM are applied as a surface layer to modify functional properties without significantly altering base material dimensions, while platings provide a metallic layer that can serve both protective and functional purposes. NCCM coating is applied to metal seals for aerospace, nuclear, and industrial applications requiring extended service life under extreme conditions. Omniseal Solutions offers NCCM as a coating option on its AS1895 and custom metal seals.

A set of industry standards developed by the Norwegian petroleum industry to ensure safety, value creation and cost-effectiveness in oil and gas developments. NORSOK standards cover materials, corrosion resistance, sealing performance, and equipment qualification for offshore and onshore applications. Omniseal Solutions manufactures seals and wear components that meet NORSOK requirements for HPHT wells, subsea equipment, and critical oil and gas applications where reliability is paramount.

A medical specialty that uses radioactive materials (radiopharmaceuticals) to diagnose and treat diseases including cancer, cardiac conditions, and neurological disorders. Nuclear medicine procedures include PET scans, SPECT scans, and targeted radionuclide therapy. Omniseal Solutions provides radiation-resistant metal and polymer seals for radiopharmaceutical production, transport containers, and hot cells in nuclear medicine applications.

A circular elastomeric seal seated in a groove and compressed between two mating surfaces to prevent fluid or gas leakage. O-rings are simple, low-cost, and suitable for static and low-speed dynamic applications up to moderate temperatures of approximately 120°C (250°F). However, they can suffer from extrusion, chemical swell, high friction, and degradation at extreme temperatures or pressures. Omniseal Solutions provides spring-energized PTFE seals as high-performance alternatives where o-rings fail, operating from cryogenic to 315°C+ with lower friction and broader chemical compatibility.

OEM seals are original equipment manufacturer specifications, designed and qualified for specific systems with controlled dimensions, materials, and tolerances. Aftermarket seals are replacement components that may match, exceed, or deviate from OEM specifications. Omniseal Solutions manufactures both OEM-certified seals for production lines and high-quality aftermarket replacements for maintenance and overhaul programs in aerospace, industrial, and energy sectors.

The release of trapped gases, water vapor, or volatile compounds from a sealing or wear/friction control material when exposed to vacuum or elevated temperatures. Outgassing can contaminate sensitive surfaces, degrade optical components, or compromise vacuum integrity. Omniseal Solutions minimizes outgassing using PTFE, Rulon® fluoropolymer, Meldin® thermoplastics/polyimides and Hycomp™ composite materials. They make polymer and metal seals as well as wear/friction control components for semiconductor, aerospace, and vacuum applications where low volatile content is required for clean, high-vacuum environments.

A type of electrolyzer or fuel cell that uses a solid polymer membrane as an electrolyte to conduct protons while separating hydrogen and oxygen gases. PEM electrolyzers operate at higher pressures and current densities than alkaline systems. Omniseal Solutions provides PEM-compatible polymer seals and gaskets with excellent chemical resistance and low hydrogen permeation for electrolyzer stacks.

A classification for materials and products manufactured without the intentional addition of Per- and Polyfluoroalkyl Substances (PFAS), a large group of synthetic chemicals known for their environmental persistence. PFAS-Free* alternatives are developed to help customers anticipate regulatory changes, reduce supply chain risks, and meet sustainability goals. Omniseal Solutions offers PFAS-Free* polymer and metal sealing solutions, including select Meldin®, Hycomp™ grades, and metal seals, developed through decades of material science research with performance matching or exceeding traditional fluoropolymer options.
* PFAS-Free here means we do not intentionally add PFAS material in the product, but does not exclude the possibility of traces, as these materials are common in the environment.

Automated semiconductor test and assembly equipment that uses vacuum pickups and robotic arms to transfer individual semiconductor devices between test sockets, trays, and carriers. Pick & place handlers require low-friction seals and bearings. Omniseal Solutions provides polymer seals and bearings for pick & place handler pickups, slides, and rotary actuators.

A component mounted in a groove on a piston that seals the gap between piston and cylinder wall, preventing blow-by of combustion gases or hydraulic fluid. Piston rings operate under high pressure, high temperature, and reciprocating motion requiring wear resistance and conformability. Omniseal Solutions manufactures polymer piston rings using proprietary material compounds for compressors, hydraulic cylinders, and pneumatic systems where metal rings cause bore scoring or require lubrication.

A dynamic seal mounted on a piston within a cylinder, preventing fluid bypass from one chamber to the opposite side. Piston seals experience high pressure differentials, bidirectional motion, and potential pressure spikes requiring extrusion resistance and low friction. Omniseal Solutions provides spring-energized piston seals and PEEK backup rings for hydraulic cylinders, shock absorbers, and pneumatic actuators, engineered for reliable performance from cryogenic to elevated temperatures.

The ability of a material to withstand degradation when exposed to ionized gas environments, maintaining dimensional stability, surface integrity, and sealing performance without excessive erosion or chemical breakdown. Plasma resistance is a critical property in semiconductor wafer processing equipment where seals are exposed to aggressive plasma cleaning and etching processes. Omniseal Solutions manufactures polyimide and other high-performance polymer components with plasma resistance for semiconductor and aerospace applications.

A metallic layer deposited onto the surface of a seal through electrochemical or chemical processes, serving both protective and functional purposes such as corrosion resistance, improved surface hardness, or enhanced compatibility with mating hardware. Plating differs from coatings in that it is always metallic in nature and is bonded at a molecular level to the base material. Omniseal Solutions applies plating options to metal seals for aerospace, nuclear, and industrial applications requiring enhanced surface performance.

A sealing component designed for use in pneumatic systems operating with compressed air or gas at pressures typically between 30 and 150 PSI. Pneumatic seals require very low friction to prevent stick-slip and enable smooth actuation at high cycle rates. Omniseal Solutions manufactures spring-energized pneumatic seals using engineered material formulations, engineered for valves, cylinders, and actuators where consistent breakaway and running friction are critical for precise control and energy efficiency.

A high-strength, high-temperature engineering thermoplastic offering superior wear resistance, structural rigidity, and thermal stability up to 260°C (500°F) continuous. PAI exhibits low creep and high load-bearing capacity, making it ideal for demanding tribological applications. Omniseal Solutions provides PAI-based components including Meldin® Thermoplastics for compressor rings, valve seats, and bearing applications where metal-like strength and polymer-like wear resistance are required.

A high-performance thermoplastic polymer known for excellent mechanical strength, chemical resistance, and thermal stability up to 260°C (500°F). PEEK is used in demanding sealing and wear/friction control applications including compressors, downhole tools, and aerospace components where wear resistance and extrusion resistance are critical. Omniseal Solutions manufactures PEEK-based solutions for high-pressure, high-temperature environments.

A high-performance polymer with exceptional thermal stability, capable of continuous operation from cryogenic temperatures up to 315°C (600°F) and short-term exposure beyond 480°C (900°F). Polyimide offers excellent wear resistance, low outgassing, and dimensional stability under extreme conditions. Omniseal Solutions manufactures PI components including Meldin® polyimides for aircraft engine seals, gas turbine hardware, and high-temperature bearings where thermal extremes exceed the limits of other polymers.

A large molecule composed of repeating structural units (monomers) linked by covalent chemical bonds, forming long chains that give materials their mechanical, thermal, and chemical properties. Polymers are classified as thermoplastics, thermosets, or elastomers based on their molecular structure and response to heat. Omniseal Solutions engineers high-performance polymer seals and wear components using PTFE, PEEK, polyimides, Hycomp™ composites, and proprietary Rulon® compounds for demanding applications across aerospace, energy, medical, and industrial markets.

A high-temperature engineering thermoplastic known for exceptional chemical resistance, dimensional stability, and inherent flame retardancy. PPS operates continuously at 200°C to 240°C (392°F to 464°F) and resists virtually all solvents, acids, and bases. Omniseal Solutions provides PPS components for industrial pumps, valves, and chemical processing equipment requiring broad chemical compatibility and reliable performance in aggressive environments.

A highly alkaline, corrosive chemical compound used as an electrolyte in alkaline electrolyzers and batteries, typically in 30% concentration solution. KOH enhances electrical conductivity but aggressively degrades many common sealing materials. Omniseal Solutions provides KOH-resistant gaskets and seals using Fluoroloy® fluoropolymer compounds and other chemically compatible materials for alkaline electrolyzers and energy storage systems.

A transient, rapid increase in system pressure exceeding normal operating levels, often caused by valve actuation, pump startup, or flow obstruction. Pressure spikes can force seals into extrusion gaps, cause blowout, or induce permanent deformation leading to leakage. Omniseal Solutions engineers spring-energized seals and PEEK backup rings to withstand pressure spikes up to tens of thousands of PSI in hydraulic systems, downhole tools, and high-pressure pumps.

A flexible, abrasion-resistant sealing membrane specifically designed for Air Operated Double Diaphragm (AODD) pumps, transferring fluid without contamination while withstanding repetitive flexing cycles. Pump diaphragms must resist abrasion, chemicals, and fatigue while maintaining consistent displacement. Omniseal Solutions manufactures pump diaphragms using tailor-made material compounds, offering low friction, broad chemical compatibility, and reliable performance from -240°C to 280°C for top AOD pump OEMs.

A sealing device that prevents fluid leakage between the rotating shaft and stationary housing of a pump, protecting bearings, maintaining pressure, and preventing contamination. Pump seals face challenges including pressure spikes, cavitation, temperature swings, and aggressive or abrasive media. Omniseal Solutions manufactures spring-energized seals and Rulon® wear components for centrifugal pumps, diaphragm pumps, and gear pumps, engineered for chemical compatibility, low friction, and long maintenance intervals.

A calculated engineering limit representing the product of contact pressure (P) and surface velocity (V) for a given seal or bearing material. Exceeding the maximum PV value causes rapid wear, heat generation, or seal failure. Omniseal Solutions defines PV limits for each Rulon® (PTFE), Meldin® (PEEK, PPS, PI), Hycomp™ and composite compound, enabling engineers to select appropriate materials for high-speed rotary shafts and high-pressure reciprocating applications.

A seal that creates a leak-tight barrier in the radial direction, with sealing force applied outward against a bore or inward against a shaft. Radial seals are the most common configuration for spring-energized seals in rotary and reciprocating applications. Omniseal Solutions manufactures radial spring-energized seals using PTFE jacketing and custom spring geometries, engineered for pumps, actuators, and valves where consistent radial contact pressure is required across temperature and pressure fluctuations.

The ability of a sealing material to withstand exposure to ionizing radiation (gamma, neutron, or beta radiation) without significant degradation of mechanical properties, sealing force, or dimensional stability. Radiation resistance is critical for seals in nuclear reactors, spent fuel storage, and radiopharmaceutical handling. Omniseal Solutions offers metal seals and specially formulated radiation-resistant polymer seals for nuclear applications, maintaining integrity under prolonged radiation exposure.

A radioactive compound containing radioisotopes, administered to patients for diagnostic imaging or therapeutic treatment of diseases including cancer. Radiopharmaceuticals require precise containment during production, transport, and handling to prevent contamination and ensure safety. Omniseal Solutions manufactures containment seals and radiation-resistant components for radiopharmaceutical production equipment, shielded transport containers, and hot cell handling systems.

A small emergency power-generating turbine that deploys into the airstream to produce hydraulic and electrical power if an aircraft loses engine power or generator function. RATs must deploy reliably under extreme conditions after years of inactivity. Omniseal Solutions provides low-friction polymer bearings and seals for RAT deployment mechanisms, generators, and hydraulic pumps.

A failure mode where dissolved gas in a sealing material expands rapidly when system pressure drops suddenly, causing blistering, cracking, or explosive rupture of the seal. RGD resistance is critical for seals in high-pressure gas applications including hydrogen compressors, downhole tools, and gas storage systems. Omniseal Solutions engineers seals with validated RGD resistance for hydrogen service, natural gas compression, and other high-pressure gas environments.

A seal designed for linear back-and-forth motion, such as piston rods, hydraulic cylinders, and actuators. Reciprocating seals must resist pressure spikes, maintain film control, and avoid extrusion through radial gaps during stroke reversals. Omniseal Solutions manufactures spring-energized reciprocating seals and piston rings that deliver consistent breakaway and running friction across millions of cycles.

A dynamic seal installed on the extending rod of a hydraulic or pneumatic cylinder, preventing fluid leakage from inside the cylinder to the external environment. Rod seals face pressure spikes, temperature extremes, and contamination from external dirt or moisture. Omniseal Solutions manufactures spring-energized rod seals using bespoke material compounds, offering low friction, high wear resistance, and consistent sealing force across millions of cycles in industrial and mobile hydraulic applications.

A dry positive-displacement vacuum pump using two figure-eight shaped rotors rotating in opposite directions to transfer gas without internal lubrication. Roots pumps operate at high speeds and require tip seals. Omniseal Solutions manufactures proprietary low-wear tip seals and fluoropolymer components for Roots vacuum pumps in semiconductor, chemical, and industrial applications.

A seal designed to prevent fluid or gas leakage between a rotating shaft and a stationary housing. Rotary lip seals must accommodate surface speeds, shaft runout, and heat generation while maintaining a controlled leak rate. Omniseal Solutions provides spring-energized rotary lip seals with custom groove profiles, engineered for pumps, compressors, and gearboxes where low friction and long life are required.

A seal designed to prevent fluid or gas leakage between a rotating shaft and its stationary housing, also known as a lip seal or radial shaft seal. Rotary shaft seals must accommodate surface speeds, shaft runout, and heat generation while maintaining a controlled leak rate. Omniseal Solutions provides spring-energized rotary shaft seals with PTFE jacketing and custom groove profiles, engineered for pumps, compressors, gearboxes, and mixers where low friction and long life are required.

A type of positive displacement pump or compressor that uses slotted vanes mounted in a rotor, sliding in and out to trap and compress fluid or gas against a cylindrical housing. Rotary vane devices require low-friction, wear-resistant vanes to maintain efficiency and prevent leakage across the vane tips. Omniseal Solutions manufactures custom polymer vanes and other sealing, wear, and friction control solutions using bespoke materials for rotary vane pumps, compressors, and vacuum systems in industrial, automotive, and laboratory applications.

The intentional gap between a seal and its mating surface under normal operating conditions, accounting for thermal expansion, shaft runout, and material swell. Running clearance directly affects leakage rate, friction, and wear, requiring precise balancing for each application. Omniseal Solutions calculates optimal running clearances using analytical simulation and material property data, ensuring spring-energized seals maintain contact without excessive friction or heat generation.

A dry vacuum pump that uses two intermeshing screw rotors to compress and transfer gas without internal lubrication, suitable for clean and harsh vacuum applications. Screw pumps require precision clearances and wear components. Omniseal Solutions provides wear-resistant rotary lip seals for screw vacuum pumps.

A dry vacuum pump using two interleaving spiral scrolls (one fixed, one orbiting) to compress and transfer gas without internal lubrication, commonly used in clean semiconductor and laboratory applications. Scroll pumps require tip seals and wear components. Omniseal Solutions manufactures low-friction, low-wear tip seals and polymer components for scroll vacuum pumps.

The volumetric expansion of a component caused by absorption of fluids or chemicals, resulting in increased friction, extrusion risk, or loss of dimensional fit. Swell can be temporary or permanent depending on material and fluid compatibility. Omniseal Solutions controls swell using chemically resistant jacketing materials including PTFE, Rulon® fluoropolymer compounds, and PEEK, which exhibit negligible swell across most chemical environments.

A metal seal manufactured in multiple arc-shaped pieces (segments) that assemble to form a complete ring, enabling large-diameter sealing solutions where a one-piece seal would be impractical to manufacture, ship, or install. Segmented seals typically use 2 to 8 segments and reduce shipping costs while allowing higher deflection profiles. Omniseal Solutions manufactures segmented metal seals including E-seals and V-seals for gas turbine casings, power generation equipment, and helicopter engines requiring large diameters from 38mm to over 7m.

A manufacturing environment in which silicon wafers are processed into integrated circuits through a series of steps including deposition, etching, and cleaning, often involving aggressive plasma, vacuum, and chemical exposure. Seals used in semiconductor wafer processing equipment must meet stringent requirements for plasma resistance, low outgassing, cleanliness, and dimensional stability. Omniseal Solutions supplies high-performance polymer and PTFE-based sealing solutions for semiconductor wafer processing equipment where contamination control and material integrity are critical.

A custom metal seal manufactured in non-circular or non-standard geometric configurations, including rectangular, trapezoidal, or other complex cross-sectional profiles to fit specific groove or housing designs. Shaped seals address unique installation spaces where standard circular seals cannot be used. Omniseal Solutions designs and manufactures shaped metal seals with retainers or flange assemblies for aerospace, energy, industrial, and semiconductor applications requiring custom geometries.

A bearing or wear component installed between moving machine surfaces to reduce friction, accommodate alignment variations, and prevent metal-to-metal contact in linear motion applications. Sliding liners are used in extrusion presses, forging equipment, and heavy industrial machinery. Omniseal Solutions manufactures sliding liners using proprietary polymer, Hycomp™ composites, and Rulon® materials, providing low friction, high wear resistance, and lubrication-free operation in demanding environments.

A class of nuclear fission reactors designed for factory fabrication and modular deployment, with power output typically up to 300 MW per module. SMRs offer enhanced safety features, lower upfront capital costs, and flexible siting compared to traditional large-scale reactors. Omniseal Solutions provides metal seals and spring-energized polymer seals for SMRs, including reactor vessels, valves, pumps, and containment systems.

A mechanical system of hinged panels, hinges, latches, and actuators that unfolds solar panels from a stowed configuration to full operational size after spacecraft launch. Deployment mechanisms must operate reliably in the vacuum and temperature extremes of space. Omniseal Solutions provides low-outgassing polymer bearings, seals, and wear components for solar array deployment mechanisms on satellites and space stations.

A high-temperature electrolyzer technology operating at 700°C to 900°C (1292°F to 1652°F), using a solid ceramic electrolyte to conduct oxygen ions for highly efficient hydrogen production. Solid oxide electrolyzers can utilize waste heat from industrial processes, achieving superior thermodynamic efficiency compared to low-temperature systems. Omniseal Solutions manufactures high-temperature components, such as seals and gaskets, for solid oxide electrolyzer stacks, capable of withstanding extreme thermal cycling and aggressive environments.

A heavily shielded container designed for the safe storage, transportation, and disposal of used nuclear fuel rods removed from nuclear reactors. Spent fuel casks must maintain leak-tight integrity for decades while shielding radiation and managing decay heat. Omniseal Solutions provides metal seals and radiation-resistant polymer seals for spent fuel cask lids, vent ports, and monitoring equipment interfaces.

A sealing device that uses a metallic spring — including cantilever, helical, or U-spring designs such as Omniseal Solutions' proprietary RACO and 103A springs — to apply constant radial or axial load against a jacketing material. Jacket materials include PTFE, other fluoropolymers, and PFAS-free polymer alternatives to meet evolving environmental and regulatory requirements. This spring maintains sealing contact even as the jacket wears, temperatures fluctuate, or system pressures change. Omniseal Solutions manufactures spring-energized seals for rotary, reciprocating, and static applications from cryogenic to 350°C (662°F).

A physical vapor deposition process that ejects atoms from a target material by bombarding it with energetic ions, depositing thin films onto semiconductor wafers. Sputtering equipment operates under high vacuum and may involve elevated temperatures. Omniseal Solutions provides low-outgassing polymer seals, including Meldin® polyimide and other high-performance materials, as well as metal seals for sputtering chamber doors, feedthroughs, and target assemblies.

A seal installed between two non-moving mating surfaces where no relative motion occurs. Static seals prevent fluid or gas leakage under pressure, temperature fluctuations, and chemical exposure. Unlike dynamic seals, they do not need to accommodate friction or wear from motion. Omniseal Solutions provides static sealing solutions using spring-energized seals and metal seals for applications requiring reliable containment in extreme temperatures, high pressures, or aggressive media.

A wear component installed between stator vanes and their mounting hardware in aircraft engines and gas turbines, allowing variable vane actuation while controlling friction and wear. Stator vane bushes operate at extreme temperatures, high cyclic loads, and under limited or no lubrication, requiring exceptional wear resistance and dimensional stability. Omniseal Solutions produces stator vane bushes using proprietary Rulon® compounds and Meldin® polyimides, engineered to maintain tight clearances and smooth actuation over thousands of flight cycles.

An industrial process that produces hydrogen by reacting natural gas (methane) with high-temperature steam under pressure in the presence of a catalyst. Steam methane reforming is currently the most common method for large-scale hydrogen production. Omniseal Solutions provides high-temperature metal seals and spring-energized seals for steam methane reforming valves, piping, and reactor systems.

An unstable motion phenomenon where friction alternates between static and kinetic states, causing a component to jerk or chatter rather than move smoothly. Stick-slip is common in hydraulic cylinders, linear actuators, and precision positioning systems, leading to control issues and accelerated wear. Omniseal Solutions eliminates stick-slip using low-friction Rulon® compounds and spring-energized seals that maintain consistent dynamic friction across varying speeds and pressures.

The static friction force that must be overcome to initiate motion between two sealed surfaces, typically higher than dynamic running friction. High stiction causes jerky starts, position overshoot, and control instability in precision actuators. Omniseal Solutions eliminates stiction using low-friction PTFE jacketing materials and Rulon® compounds, ensuring smooth breakaway and consistent motion in pneumatic cylinders, control valves, and precision positioning systems.

The compression of natural gas on the seabed rather than on an offshore platform, enabling production from deeper and more remote fields by reducing backpressure on reservoirs and extending field life. Subsea compression systems operate at depths exceeding 1,000 meters (3,280 feet) with high pressures and no maintenance access. Omniseal Solutions provides sealing solutions for subsea compression stations, including spring-energized seals and metal seals for pumps, valves, and connectors that withstand deepwater pressures and seawater corrosion.

A seal located at the oil sump or reservoir of an engine, gearbox, or transmission, preventing lubricant leakage while excluding contaminants. Sump seals operate in contact with hot oil and may experience pressure fluctuations from blow-by or thermal expansion. Omniseal Solutions manufactures spring-energized sump seals using bespoke material formulations for aerospace accessory gearboxes, industrial reducers, and wind turbine gearboxes, compatible with synthetic oils and extreme pressure additives.

Carbon dioxide maintained at temperatures and pressures above its critical point (31°C, 73.8 bar / 88°F, 1070 PSI), where it behaves as a supercritical fluid with properties of both gas and liquid. Supercritical CO₂ is used in power cycles, extraction, and carbon capture systems. Omniseal Solutions provides seals and gaskets compatible with supercritical CO₂ across wide temperature and pressure ranges for power generation and carbon capture applications.

A method for assembling electronic components directly onto the surface of printed circuit boards (PCBs) without through-hole leads, using automated placement equipment and solder reflow. SMT assembly equipment requires precise fluid dispensing and sealing solutions. Omniseal Solutions provides spring-energized seals, and tip seals for SMT glue dispensers and pick-and-place equipment.

A synthetic or bio-derived jet fuel that reduces net carbon emissions compared to conventional petroleum-based jet fuel, produced from feedstocks including waste oils, agricultural residues, or captured carbon and renewable energy. SAF has different chemical properties requiring compatible sealing materials. Omniseal Solutions provides spring-energized seals and fluoropolymer components compatible with SAF and traditional Jet A/A1 fuels.

A polymer that becomes soft and moldable when heated above its glass transition or melting temperature, and solidifies upon cooling, with this process being fully reversible. Thermoplastics can be reheated and reshaped multiple times without significant degradation, enabling injection molding, extrusion, and recycling. Omniseal Solutions manufactures thermoplastic wear and friction control components (using PEEK, PAI, PPS, PEI, and others), and Meldin® Thermoplastics for applications requiring high strength, chemical resistance, and thermal stability up to 315°C (600°F).

A polymer that irreversibly cures and hardens when heated or mixed with a curing agent, forming a three-dimensional crosslinked network that cannot be remelted or reshaped after curing. Thermosets offer superior thermal stability, creep resistance, and dimensional stability under load compared to thermoplastics. Omniseal Solutions manufactures thermoset components using Meldin® polyimides and Hycomp™ composites for high-temperature, high-load sealing and wear applications where thermoplastics would deform or creep.

A manufacturing requirement specifying extremely narrow allowable deviations from nominal dimensions, typically measured in microns (thousandths of a millimeter), ensuring consistent fit, function, and sealing performance. Tight tolerances are critical for miniature seals in medical devices, semiconductor equipment, and aerospace systems where even microscopic variation can cause leakage or failure. Omniseal Solutions achieves tight tolerances through precision micro injection molding, precision machining and advanced quality control processes.

A sealing component installed at the tip of a rotating or reciprocating element, such as a scroll compressor, to minimize leakage across the tip clearance gap. Tip seals are critical for efficiency in dry-running compressors and vacuum pumps where contact between moving parts would cause wear or seizure. Omniseal Solutions manufactures proprietary low-wear tip seals using proprietary material compounds  scroll compressors in semiconductor, industrial, and laboratory applications.

The science and engineering of interacting surfaces in relative motion, encompassing the study of friction, wear, and lubrication. Tribology is fundamental to component design, material selection, and system reliability across mechanical applications. Omniseal Solutions applies tribological principles to develop sealing and wear/friction control solutions and material compounds that minimize friction and wear while maintaining integrity in hydraulic, pneumatic, and aerospace systems.

A stationary ring of components that surrounds the tips of rotating turbine blades, minimizing blade tip clearance to reduce hot gas leakage and improve engine efficiency. Turbine shrouds must resist extreme temperatures, oxidation, and thermal distortion while maintaining precise clearances. Omniseal Solutions provides metal seals and wear components for turbine shroud mounting systems, including segmented seals and spring-energized designs for aviation and power generation turbines.

A high-speed rotating vacuum pump that uses rapidly spinning bladed rotors to impart momentum to gas molecules, directing them from the vacuum chamber toward the exhaust to achieve ultra-high vacuum (UHV) conditions. Turbomolecular pumps are widely used in semiconductor wafer processing equipment where extremely low pressures are required for deposition, etching, and other thin-film processes. Omniseal Solutions provides low-outgassing polymer and metal seals for turbomolecular pump shafts, bearing compartments, and housing interfaces where contamination control and dimensional stability under vacuum are critical.

A high-speed rotating machine that delivers propellant (fuel and oxidizer) at high pressure to a rocket engine combustion chamber, consisting of a pump driven by a turbine. Turbopumps operate at extreme speeds, pressures, and temperatures with demanding sealing requirements. Omniseal Solutions provides dynamic metal seals and spring-energized polymer seals for turbopump shafts, bearing compartments, and housing interfaces in rocket engines.

A high-performance polyethylene polymer with an extremely high molecular weight, giving it outstanding wear resistance, low friction, impact strength, and chemical resistance. UHMW-PE is self-lubricating and operates effectively in dry, abrasive, or cryogenic conditions. Omniseal Solutions uses UHMW-PE for custom wear components, bearings, and seals in food processing, semiconductor, and industrial equipment where metal alternatives are unsuitable.

A vacuum environment with pressure below 10⁻⁹ Torr (1.33 × 10⁻⁷ Pa), used in semiconductor fabrication, particle accelerators, and space simulation chambers. UHV systems require seals with extremely low outgassing, permeation, and leakage rates to maintain vacuum integrity. Omniseal Solutions manufactures UHV-compatible metal seals and spring-energized PTFE seals with low-outgassing materials for semiconductor equipment, research chambers, and space applications.

A metal seal with a V-shaped cross-section that compresses between two mating surfaces, creating a leak-tight barrier for face sealing applications. The V-shape allows the seal to function as a spring, maintaining contact force even with flange separation, thermal cycling, or bolt load relaxation. Omniseal Solutions manufactures metal V-seals using high-performance alloys including Inconel® and stainless steel for aerospace engines, gas turbines, and industrial flanges requiring light loading and high-temperature capability.

A sealing component designed to maintain vacuum conditions ranging from rough vacuum (1 Torr) to ultra-high vacuum (10⁻⁹ Torr and below). Vacuum seals must exhibit extremely low outgassing, permeability, and leakage rates while maintaining sealing force under atmospheric pressure loading. Omniseal Solutions provides bespoke engineered solutions for semiconductor fabrication, vacuum chambers, and aerospace applications where contamination control and leak integrity are critical.

The prevention of fluid or gas leakage across valve solutions including seats, stems, and closure elements during open, closed, or modulating positions. Valve seals must withstand pressure differentials, temperature extremes, and chemical exposure while maintaining shut-off integrity over thousands of cycles. Omniseal Solutions provides components and Rulon® fluoropolymer compounds for ball valves, butterfly valves, and control valves, delivering low friction and reliable sealing in industrial, aerospace, and energy applications.

A semiconductor manufacturing process that removes particles, metals, and organic contaminants from wafer surfaces using chemical solutions and deionized water, often in single-wafer or batch immersion systems. Wafer cleaning equipment requires chemically resistant seals. Omniseal Solutions manufactures fluoropolymer seals, as well as Meldin® Polyimide and Rulon® components for wafer cleaning equipment.

A sacrificial component designed to protect mating surfaces from friction, abrasion, and wear in heavy machinery, typically installed between moving parts such as slides, guides, and presses. Wear plates are replaced periodically to extend the life of more expensive machinery components. Omniseal Solutions manufactures wear plates using advanced polymer composites including Wearcomp® and Rulon® materials, offering self-lubricating, high-wear-resistance alternatives to metal wear plates.

The ability of a sealing or wear/friction control material to resist material loss from friction, abrasion, or repetitive contact with a mating surface. Wear resistance extends component life in contaminated or high-speed environments where standard elastomers would fail rapidly. Omniseal Solutions achieves wear resistance using Rulon® fluoropolymer compounds and PEEK-based materials, engineered specifically for hydraulic and pneumatic applications.

A thin, hard surface layer applied to a substrate to reduce friction, resist abrasion, and extend component life. Wear resistant coatings are alternatives to polymer seals and bearing materials. Omniseal Solutions provides PTFE-based and Rulon® wear components as alternatives to hard coatings, offering lower friction, conformability, and easier installation without specialized coating equipment or surface preparation.

The visible path or pattern of material removal on a seal or mating surface resulting from prolonged frictional contact. Wear track characteristics such as width, depth, and surface finish indicate seal performance, alignment issues, or contamination. Omniseal Solutions analyzes wear tracks during in-house testing to validate material selection and optimize Rulon® formulations for specific pressures, speeds, and environmental conditions.

A scraper-type seal installed on the external side of a rod or piston to remove dirt, moisture, and debris before contaminants enter the sealing system. Wiper seals extend the life of primary rod and piston seals by preventing abrasive damage from external particles. Omniseal Solutions manufactures wiper seals using wear-resistant tailor-made compounds and engineered polymers, designed for heavy-duty hydraulic and pneumatic applications in construction, mining, and industrial equipment.