Piston cup seals are critical due to two functions. Firstly, the seal must function as a bearing. If the seal is removed from the hardware, the piston will hit against the cylinder wall. Secondly, since compressors need to run completely dry, the seal provides leakage and wear control.
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Supercritical Fluid Chromatography (SFC) with CO₂ Medium
Category
Critical Applications
4 min
Description
A growing global market trend is the increase in pharmaceutical manufacturing and supercritical fluid chromatography (SFC) for purity testing. Many chemicals used in medicinal pharmaceuticals occur in extremely low concentrations and can be difficult to detect with accuracy. Analyses of these compounds are typically performed using gas chromatography (GC) or liquid chromatography (LC).
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Chemical Weir-Type Diaphragm Valves
Category
Critical Applications
3 min
Description
Aseptic and chemical valves are critical parts in medical, food processing, biopharmaceutical and cleaning processes. When purity and chemical robustness counts, weir-type valve diaphragms (or membrane valves) are the logical choice. They offer secure and leakage-free operations as well as handle dangerous and corrosive liquid or gas.
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Liquid Chromatography Reciprocating Piston Pump
Category
Critical Applications
3 min
Description
Liquid chromatography equipment is an analytical tool used to separate, identify and quantify components in a liquid mixture for purity and content. The equipment utilizes reciprocating pumps to pass pressurized liquid solvents with sample mixtures through a column filled with a solid absorbent material. Positive displacement pumps use Omniseal® spring-energized seals to optimize performance and equipment longevity.
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