Cap Seal / Piston Seal

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 Standards n/a varies by OEM

Customizable Yes

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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