Fabricated Square Knife Gate Valve with Handwheel Operator

Square Knife Gate Valves


  • Unidirectional Square Knife Gate Valve
  • Mechanically‐welded body
  • Various seat and packing materials available.
  • Face‐to‐face dimension in accordance with our standard, it is also
    possible to build the product according to the your needs.
  • Suitable for solids, and recommended in gravity discharge applications for fluids with high solid content.
  • Designed for a wide range of applications such as Mining, Bulk transport, Chemical plants, Food Industry


  • Manual Square Knife Gate Valve
  • Hand-wheel Operated Square Knife Gate Valve
  • Gearbox Operated Square Knife Gate Valve
  • Pneumatic Cylinder Operated Square Knife Gate Valve
  • Electric Multi Turn Actuator Operated Square Knife Gate Valve

Size & Connections

  • 125×125 to 1400×1400.
  • Also available in rectangular designs.
  • Larger sizes on request.


  • Mining.
  • Bulk transport.
  • Chemical plants.
  • Food Industry.



  • Standard manufacturing materials are S275JR carbon steel and AISI304 or AISI316 stainless steel.
  • Other stainless steel alloys such as AISI316Ti, Duplex, 254SMO, Uranus B6, etc. are available on request.



  • Standard manufacturing materials are AISI304 stainless steel in valves with carbon steel body and
    AISI316 stainless steel in valves with AISI316 body.
  • Other materials or combinations can be supplied on


  • Dependent on pressure & temperature


  • Machinery Directive: DIR 2006/42/EC (MACHINERY).
  • Pressure Equipment Directive: DIR 2014/68/EU (PED) ART.3, P.3.
  • Potential Explosive Atmospheres Directive: DIR 2014/34/EU (ATEX) CAT.3 ZONE 2 and 22 GD 

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