For sealing at temperatures over 300°F (149°C) and pressures exceeding 50,000 psi. Cap seals consist of a thermoplastic (typically PTFE based) outside diameter sealing ring and an elastomeric o-ring acting as an energizer for low pressure sealing.
Specs
Pressure
[High]
Dynamic Service Speed
[High]
Seal Directionality
[Bidirectional]
Manufacturing Method
[Combination]
Common modifications
custom combinations energizer and cap materials
Catalog Standardsn/a varies by OEM
CustomizableYes
Comparative cost:$$
Special Applications
Comparitively inexpensive intermediate technology for high P:V applications. Temperature limited by elastomer properties. Low running/breakout friction properties
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