Spring Energized Inside Face Seals

Spring energized inside face seals apply spring force to press the sealing lip against an internal face. This design ensures axial sealing under pressure or vacuum. Made from materials like PTFE or PEEK, spring energized inside face seals resist chemicals, wear, and temperature changes. They are used in valves, static joints, and low-speed rotary systems, especially in aerospace, chemical, and cryogenic applications. These seals offer reliable, low-leakage performance in tight installation spaces.

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Spring Energized Inside Face Seals
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Spring Energized inside face seals
Face Seals are typically used in static sealing applications. Inside Face Seals contain pressure inside a vessel and are often used as lid seals or in pipe flange fittings. A PTFE Face Seal offers advantages over traditional O-Rings in terms of pressure handling, chemical compatibility, and operating temperature range. Use in cryogenic applications is common.
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