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Slurry Knife Gate Valves Manufacturers

Slurry Knife Gate Valves

The opening and closing part of the knife gate valve is the knife. The movement direction of the knife is perpendicular to the fluid direction. The medium is cut off by the blade shaped knife which can cut the fiber material. In fact, there is no chamber in the valve body. The plate rises and falls in the side guide groove, and is pressed tightly on the valve seat by the lug at the bottom.

Series - 150 To 2500

If high medium sealing performance is required, O-shaped sealing seat can be selected to realize bidirectional sealing. Knife gate valve has small installation space, low working pressure, not easy to accumulate debris, low price.

Design Features
  • Manual driving mode: Handwheel, Bevel Gear and Gear operated
  • Automatic driving mode: Electric, pneumatic, hydralic, electro-hydraulic
  • All cast iron, cast steel valves and steel spare parts from DAGO are epoxy coated, well protecting valve inner port against corrosive and dirty conditions for longer service life
Product Specifications
  • Size 2″-48″ DN50-DN1200
  • Pressure Class "150, 300, 600, 800, 900, 1500, 2500" | PN16-PN200
  • End Connection Flange (FF, RF, RJ)
  • Body Material WCB, LCB, WC6, WC9, C5, CF3, CF8M, CF3M, etc
  • Wedge Material WCB, LCB, WC6, WC9, C5, CF3, CF8M, CF3M, etc
  • Seat Material Metal, NBR, Viton, PTFE
  • Stem Material A182 F6a, 410, 430, 304, 316, 17-4PH, F11, etc
  • Design Standard MSS SP-81, MSS SP-135, ASME B16.34 etc
  • Face to Face Standard MSS SP-81, MSS SP-135, API B16.10, DIN3202 etc
  • Test Standard ISO5208, MSS SP-61, API598
  • Temperature Range -29℃~425℃
  • Actuator Options Handwheel, Gear, Pneumatic, hydraulic and Electric actuator etc
    Structure Style
  • Full Port, OS&Y, Bolted Bonnet
    Connection Standard
  • Flange Drilling: ASME B16.5 ASME B16.47, MSS SP-81 etc