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NO groove bi-directional seat knife gate valve, cast iron body with the over all structure knife gate valve, including valve body, gate, and U-shaped flexible seal at the bottom of the body with grooves. When the valve is closed, the bottom of the gate edge contact with the seal and then compress the seal into the groove in the body and sealed gate realization; when the gate opens, separate gate from the bottom edge of the seal, seal with bounce to same level as groove, which will prevent the media sediment accumulated in the body cavity of the groove, no clogging no residue, pipe easy to clean, so as to effectivey improve the sealing effect knife gate valve to prevent leakage  when the valve is closed.


Type: Wafer
Bi-directional seal
1PC Body Design
Full Port Design
Reduce Fluid retention in valve body
2PC Strong yoke Design
Mixed with Variety of Materials Packing

Ref. 820A/93 Knife Gate Valve Bidirectional

SKU: 820A-93

  • Operation: Handwheel, Gear Box, Electric, Pneumatic, Hydraulic, Sprocket
    Maing Material: GGG40
    Wedge Material: SS316L, SS304
    Sealing Material: EPDM
    Packing: Aramid fiber, hig-water based rubber packing graphity wheel.
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