Fisher Control Valve Packing Assembly – PTFE Packing

PTFE packing is primarily used in control valve applications where the temperature is below 200°C.

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PTFE Packing

● PTFE is a plastic material that inherently reduces friction.

● Molded into V-rings, the V-rings are spring-loaded and self-adjusting within the stuffing box, requiring no packing lubrication.

● Resistant to most known chemicals, with the exception of molten alkali metals.

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  1. Upper Wiper Ring

  2. Packing Gland

  3. Concave Packing Ring

  4. V-Ring

  5. Convex Packing Ring

  6. Sleeve Ring

  7. Gasket

  8. Spring

  9. Stuffing Box Ring / Lower Isolating Ring
    PTFE Packing