A critical sealing component in poppet valves that prevents fluid leakage between moving parts.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Hardness | 70-90 Shore A | |
| Surface Finish | Ra 0.4-0.8 μm on mating surfaces | |
| Compression Set | <15% after 24h at 150°C | |
| Pressure Rating | Up to 400 bar | |
| Temperature Range | -40°C to +200°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A type of valve that uses a disc or cone-shaped element (poppet) to control fluid flow by lifting perpendicularly from its seat.
A mechanical device that circulates coolant fluid within a cooling system to transfer heat away from equipment or processes.
A valve designed to control the flow of gases or fluids within a vacuum system, maintaining pressure isolation between different sections.
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Common causes include improper installation compression, chemical incompatibility with fluids, excessive temperature beyond material limits, abrasive contamination in fluid, and misalignment causing uneven wear.
Replacement intervals depend on operating conditions: typically 1-3 years for continuous high-pressure systems, or based on performance monitoring when leakage exceeds 0.1% of system flow rate.
Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.