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Knife Gate Valves

Knife Gate Valves

Design Features

Body
  • One piece integrally cast body with reinforced ribs in larger diameters for extra body strength.
  • Internal cast guides allows for tighter shutoff. Port design according to MSS-SP-81 and Tappi TIS 405-8.
  • Internal design avoids any buildup of solids that could prevent valve from closing.
  • MOC -Cast Iron / cast steel / SS 304 / 316/316L.

Seat : Renewable Metal-to-Metal, replaceable type, soft seat and other Suitable to application. In addition to standard stainless steel seat ring, Viton/ silicon and EPDM seat rings are Available as options. Gland Packing: Multi layer gland packing in a variety of materials to suit condition provides total sealing.

Gate
  • Standard AISI 316 stainless steel gate.
  • Gates polished and lapped for a greater seal between the gate with both packing and seat.
  • Bottom of the gate edge is machined to a bevel to cut through solids for a tighter seal in Closed position.
  • The Stainless steel knife gate plate is precision-buffed on both sides, to enhance Packing life and ensure positive shut off even heavy or high-viscous fluid.
Specifications :

End Connection Full lug body drilled and tapped to ASME Class 150.
Option Include ANSI, DIN, BS, and AS standard; others on request.
Operating System Manual by hand wheel or by chain wheel, pneumatic Cylinder Operated Electrical Actuator.
Sizes 50mm TO 500mm (higher size on application).