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Unlined Rubber Type 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:

  • Two-piece valve body.
  • Standard Wafer design.
  • U-shaped sealing.
  • Integral ultra-thin body structure.
  • Knife gate provides strong shearing force.
  • Ultra-thin, compact, and lightweight design with an attractive appearance.
  • Easy installation and operation.
  • Clip-on connection and short face-to-face length reduce the overall weight of the pipeline system.
  • Smooth, groove-free gate bottom prevents impurity accumulation.
  • U-shaped sealing strip embedded in the valve body prevents leakage caused by sealing strip movement, enabling two-way zero-leakage sealing.
  • Semi-circular bottom of the valve plate forms a full-bore flow channel when the valve is open.
  • Cavity-free design prevents medium accumulation inside the valve.
Gate Valve

Applicable standard

Size Range
NPS 2”– 56” / DN50–DN1400

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

Temperature Rating
Soft Seat: -40 to +120°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, BS

Seat Material
Soft Seat: NBR, EPDM, NR

Port Type
Reduced port

Design Standard
MFR Std.

Test Standard
MFR Std.

Face-to-Face
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.