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  • Name: GRB
  • Num: GRB

GRB type stem combination seal

It is a U-ring made of V-shaped spring as a force-applying element and a carbon fiber filled with carbon fiber. It is a kind of high-pressure and heavy-duty seal, and has good anti-leakage, anti-extrusion and wear resistance Performance, as a valve stem seal and widely used in the oil industry.

The special design of the three lips makes the seal have a very good anti-leakage ability, a smaller contact surface, to avoid a large friction, can produce a smaller torque, relative to the GRA seal, with a lower cost.

If you need to further improve the pressure level, can be added in the back of the GRB seal ring .


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