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PUA - B7 /ODI, Customized U-Cup U-Shaped PU Piston Seal

The PUA is a popular non-symmetrical piston seal.The knife trimmed, beveled lip contacts the bore to provide enhanced low to high pressure sealing and wiping action, providing excellent wear, extrusion and compression set resistance. PUA is a uni-directional seal. Two seals can be placed on a piston, back to back, in separate glands offering bidirectional fluid sealing.
  • PUA
  • GFS

U-Cup sealU-Shaped sealUN Seal

Materials Operating Condition
Temperature C Pressure Range MPA Speed m/s
PU -30~110 35 0.5

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About us
GFS is one of the top hydraulic sealing solution companies in China. Focusing on hydraulic cylinder, rotary,  oil & gas equipment seals from R&D to manufacture, providing  Cost-effective & high-quality products.
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