Xlong spring energized seals are U-shaped seals designed with a single-acting sealing element. The PTFE jacket is energized by a spring that activates the sealing lips of the seal. The system pressure helps the spring create a tight, leak-proof seal between the sealing lips and the mating metal parts. These springs also help compensate for slight misalignment, jacket wear, and maintain consistent sealing pressure against the target surface.
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We serve well-known clients such as Cummins, Emerson, Neway, Linde, and more. Our products are widely used in the automotive, chemical, electrical, electronics, hydraulic and pneumatic, machine building, petroleum, power, nuclear, offshore, solar, oil and gas industries, and many others.
Spring energized seals are specially designed to overcome challenges typically associated with PTFE composites or other high-performance plastics like UHMW-PE and elastomers. They are suitable for static, rotary, and reciprocating applications, operating in temperatures ranging from cryogenic to 300°C, pressures from vacuum to 700 kg/cm², and speeds up to 20 m/s. These seals are ideal for the most corrosive and harsh environments.
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Model No.: AS568, VSPG, JIS, BS, and Metric Sizes
Style: O-Ring
Shape (for Gasket): Serrated Gasket
Function: Fixed Sealing
Color: Pantone Code Available
Hardness: Shore A 50-90
Workmanship: Mold Vulcanization
Certificate: TS16949, SGS, RoHS, REACH, NORSOK M-710
Traceability: ERP and Barcode System
Mold Stock: AS568 Available in Warehouse
Trademark: XLONG
Transport Package: Polybag and Carton
Specification: Standard and Non-Standard
Origin: China
HS Code: 40169310
Plastic Seal/PTFE Seals with Resistance to Harsh Mediums for Sealing