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  • Name: GRR
  • Num: GRR

GRR type stem combination seal

A filler made of a rubber material and a slip ring made of PTFE material. The filler is mainly used as a resilient force-applying element to ensure that the slip ring is in close contact with the sealing contact surface to achieve a sealing mechanism and is commonly used for lower pressure valves , Has a good anti-leakage performance, as a valve stem of a low-cost sealed and widely used in the oil industry.

As the sealing surface is large, so the friction will be larger, resulting in a larger torque.

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