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Through Conduit Type Knife Gate Valve

Through Conduit Knife gate valves have a sharp cutting edge designed to handle viscous, heavy liquids or other abrasive media. Their straightforward design and easy-to-operate valve setup make them ideal for wastewater treatment plants, cement plants, and mining facilities. With dedicated workshops and superior mold casting capabilities, LIXIN is sure to meet your knife gate valve needs.

 

KEY FEATURES:

  • Two-piece valve body.
  • Standard Wafer Design.
  • Integral ultra-thin body structure.
  • Movable sealing seat for easy replacement.
  • Knife gate provides strong shearing force.
  • Face-to-face dimensions follow the short series design, and the lightweight structure reduces the need for pipe support.
  • Fully open flow path without grooves prevents medium blockage.
  • Lifting disc remains aligned with the sealing surface in both fully open and fully closed positions.
  • Sealing surface is not exposed, and the flow channel is protected from direct scouring by the medium, extending service life.
  • Movable sealing seat design allows easy replacement.
  • Bi-directional seat with movable sealing ring allows flow in both directions without limitation.
  • Flushing holes on both sides of the valve enable cleaning of the valve cavity.

 

Gate Valve

Applicable standard

Size Range
NPS 2”–28” / DN50–DN700

Main Material
Carbon steel, Stainless steel, Aluminum Bronze, Duplex Steel (other materials available upon request)

Temperature Rating
Soft Seat: -29 to +180°C
Metal Seat: According to main material

Stem Material
Stainless Steel

Pressure Rating
1.0 MPa, 1.6 MPa, 150 lbs

Directional / Stem Type
Bi-directional
Rising stem

Leakage Level
Soft seat: Zero Leakage

Body Style
Wafer

Disc Material
Stainless Steel
Duplex Steel

Flanged Drilling
ASME B16.5, EN 1092

Seat Material
Soft Seat: NBR, EPDM, PTFE, Viton

Metal Seat: Same as body material

Port Type
Full port

Design Standard
MFR Std.

Test Standard
MFR Std.

Face-to-Face
MFR Std.

Operation
Handwheel, Worm Gear, Electric, Pneumatic.

Application
Mining Pulp & Paper, Cement, Carbon Black, Chemical, Wastewater.

Note:
The carefully selected materials and modern design make our knife gate valve highly reliable.
If our knife gate valve does not meet your requirements, we can provide custom-made solutions.