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Bidirectional Knife Gate Valve manufacturer in Canada

Bidirectional Knife Gate Valve

Bidirectional knife gate valves provide reliable on/off isolation for pipelines handling slurry, sludge, wastewater, fibres and suspended solids.

Category:

For pipelines where the media can travel in either direction, a bidirectional knife gate valve provides dependable on/off isolation. As a Bidirectional Knife Gate Valve Manufacturer in Canada, Valves Only Canada offers these valves for industrial and process applications involving slurry, sludge, wastewater, fibres, suspended solids and other difficult media. Valve selection depends on factors such as operating pressure, temperature, material compatibility and piping requirements.

Features and Applications 

  • Bidirectional shut-off 
  • Full-port flow passage in applicable designs 
  • Sharp-edged gate for slurry and solids-laden media 
  • Low flow resistance in the fully open position 
  • Resilient or metal seat configurations 
  • Mining and mineral processing 
  • Slurry handling and tailings systems 
  • Water and wastewater treatment 
  • Chemical and process industries 

Technical Specifications 

Parameter  Specification 
Valve Type  Bidirectional Knife Gate Valve 
Design  Linear-motion, wafer / lug / flanged
Nominal Size  DN50 to DN1200 
Pressure Rating  PN6, PN10, PN16 / ASME Class 150 
Body Materials  Cast Iron ASTM A126 Class B, Ductile Iron ASTM A536, Carbon Steel ASTM A216 WCB, Stainless Steel ASTM A351 CF8 / CF8M 
Gate Materials  Stainless Steel SS304 / SS316 / SS316L, Carbon Steel ASTM A216 WCB, Duplex 2205, Super Duplex 2507 
Seat Design  Resilient or Metal Seat 
Seat Materials  EPDM, NBR, PTFE or Metal 
End Connections  Wafer, Lug or Flanged 
Flow Direction  Bidirectional 
Actuation  Handwheel, Gear, Pneumatic or Electric 

 

Standards and Testing 

The valve can be specified, inspected and tested according to the applicable MSS, ASME, API and ASTM requirements. Relevant standards may include MSS SP-81, MSS SP-135, ASME B16.34, ASME B16.5 and API 598, depending on the valve design and project specification.

Industries Served 

  • Mining & Mineral Processing 
  • Slurry & Tailings Handling 
  • Water & Wastewater 
  • Chemical Processing 
  • Power Generation 
  • Cement & Minerals 
  • Bulk Solids Handling 

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