FIGURE 77 Resilient Seated Knife Gate Valve


  • Cast stainless steel body, packing gland, and yoke.
  • Rubber seat provides a BI-DIRECTIONAL drip-tight seal across the gate from 0 to 150 PSI.
  • Gate design withstands full 150 PSI rated pressure as required by MSS SP-81.
  • Bi-directional Buna resilient seat standard.
  • Also available in EPDM, Viton, Neoprene, and other materials.
  • FIGURE 77 Resilient Seated Knife Gate Valve Compact wafer configuration to TAPPI and MSS standard face-to-face.
  • Heavy-duty body design resists deflection from line loads and internal pressure.
  • The rubber seat is flush with the bottom of the port ELIMINATING any pockets in the bottom of the valve that will collect media material.
  • Smooth flow non-clogging full port design.
  • Heavy-duty cast stainless steel yoke will not bend or twist under extreme loads.
  • Easy conversion from handwheel operator to hydraulic or pneumatic cylinder, bevel gear, chainwheel, electric motor, or fail-safe spring cylinder operator using an existing cast yoke.
  • Bonnetless, outside screw and yoke, non-rising handwheel, and rising stem.
  • Enclosed bronze stem bushing provides reduced operating torque and protection of the stem bushing in harsh environments.
  • Stainless steel stem resists corrosion.
  • Standard TFE lubricated synthetic packing (TLSP).
  • FIGURE 77 Resilient Seated Knife Gate Valve Full port ID.
  • MSS SP-81 Stainless Steel, Bonnetless, Flanged Knife Gate Valves.

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