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Valve & Automation (Pty) Ltd

Stafsjo MV Knife Gate Valves

Stafsjo MV Standard Knife Gate Valve

The Stafsjö MV knife gate valve is used on diverse applications like pulp, sludge powder and waste. It has a gate with a bevel edge that effectively cuts through different media. In the closed position the gate is pushed onto the seat which gives a tight and reliable sealing. This special shut-off technique makes the MV valve suitable for both liquids and dry media. Pulp, paper and chemical cellulose industry benefits from the international experience. The MV series is modular in design and can easily be customized to specific process conditions. Contact one of our technical specialists for a quote today!


  • Easy operation One piece body design Packing system in TwinPack Robust top works Easy to change seats

Size Range

  • 50mm to 1000mm / 2" to 40"

Pressure Rating

  • PN10 ANSI 150


  • Up to 180°C

End Connections

  • Wafer

Body Materials

  • Stainless Steel / Cast Iron Other materials on request

Blade Materials

  • Stainless steel / Hard chromed

Seat Materials

  • PTFE / EPDM / Viton / Nitrile / Polyurethane / Metal

Options & accessories

  • Manual, pneumatic or electric actuators
  • Chain wheel
  • Open close limit switches
  • Positioners


Low consistency pulp < max. 5% / Black liquor / White liquor / Water, sewage and sludge / Powder / Pellets / Slurries


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