Omniseal® Metal V-Seals

Metal V-Seals

This metal face sealing solution allows higher flange lift-off, a lower bolt force requirement and is highly pressure activated.

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These metal seals can be customized with various finishes, platings and coatings to improve the leakage performances.


Typical applications include shroud seals and fuel nozzle flanges on power generation turbines.

Standard Specifications

Alloy Inconel® X-750, Alloy Inconel® 718 

Used in

low load requirements & limited leak tightness requirements


Cryogenic to +1100°C (+2012°F)


vacuum to 300 psi (20 bar)

Leakage Rate

e-1 to e-7 mbar*l/s (depending on the post treatment)

Clamping load

Without spring, load is between 20 and 70 N/mm


Diameter: 30 mm to 4500 mm
Cross-section: 2.39 to 12.70 mm
Minimum Tolerances: -/+0.05 mm

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Seal Function & Motion



As V-Seals are designed for maximum springback, they are considered a low load seal. Because of this low load, it can attain at good tightness when used with soft plating or coating. 

ASE Group


In the seal selection process, you should always keep in mind basic design criteria. There is a direct relationship between the seal outer diameter (OD) and seal free height. Larger free heights provide better resilience and performance tends to be more consistent.

Industry Case Studies

Take a closer look at case studies that detail this metal seal's high performance.