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Wafer knife GATE valve

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:

  • One-piece body.
  • Standard Wafer, Lugged, Semi-Lugged design.
  • Knife gate has a strong shear force.
  • Integral structure, Ultra-thin valve body.
  • Compact face-to-face dimensions and a lightweight body design reduce overall system load and minimize the need for additional pipe support.
  • The self-cleaning disc design removes adhered media during each actuation cycle, maintaining optimal seal integrity and extending service life.
  • The disc geometry promotes efficient discharge of medium and residue, preventing buildup and ensuring smooth, non-blocking operation.
  • The wedge-type limit stopper provides consistent sealing force and enhanced reliability, while precision guide pins ensure accurate alignment and stable disc movement.
Gate Valve

Applicable standard

Size Range
NPS 2”–48” / DN50–DN1200

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
0.6 MPa, 1.0 MPa, 1.6 MPa, 150 lbs

Directional / Stem Type
Bi-directional
Uni-directional
Rising stem
Non-rising stem

Leakage Level
Soft seat: Zero Leakage

Body Style
Wafer, Lugged, Semi-Lugged

Disc Material
Stainless Steel
Duplex Steel

Flanged Drilling
ASME B16.5, EN 1092, GOST 33259, BS

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

Port Type
Reduced port
V-type port

Design Standard
MSS SP-81, MFR Std.

Test Standard
MSS SP-81, MFR Std.

Face-to-Face
MSS SP-81, MFR Std.

Operation
Handwheel, Worm Gear, Electric, Pneumatic.

Application
Power, 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.