Bonneted Knife Gate Valve

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Bonneted Knife Gate Valve

Technical Data

DN 100 to DN 600 (larger diameters on request)

Seat Material:
Metal: Tungsten Carbide/Satellite/Ni60

Pressure Rating:
DN 100 to DN250 10 Bar NPS 2''-10'' 150 psi
DN 300 to DN450 7 Bar NPS 12''-18'' 90 psi
DN 500 to DN600 4 Bar NPS 20''-24'' 60 psi

Bonneted Knife Gate Valve

Actuator :Hand wheel, Electric ,Bevel Gear ,Pneumatic (single & double-acting),Chain wheel ,Hydraulic

Standard flange connection:EN1092 ,GB/T 9113,ASME B16.5 ,AS 2129/4087,JIS B2220,Others on request

Certificate:CE, ISO9001 Accredited

Application:Pulp and Paper/ Mining /Waste Water Treatment/ Food and Beverage/Chemical Plants/ PowerPlants/ Steel Industry/Etc.


  • Cast-in guide claws at the port bottom  for gate fixture, instead of a groove, eliminates

  • potential valve shutoff clogging while providing tight seal. These guide claws push gate

  • towards seat for tight seal in closed position.

  • Integral body design ensures easy assembly and 0 shell leakage.

  • Full port design minimizes pressure drop and maximizes flow capacity.

  • Completely enclosed structure ensures 0 leakage from valve to the surrounding, which is

  • perfect for contaminated/hazardous media for the safety of surrounding.

  • Super thin body design and compact construction contribute to easy installation.



  • Beveled knife edge provides strong cutting stress and tight sealing.

  • Gate thickness can be increased to meet higher pressure.


  • Side-entry seat is replaceable, reducing the cost of maintenance.

  • L-shape seat retainer locks seat into valve body and covers seat side to prevent direct

  • flow flushing


  • Stem cover is available to ensure long service life for stem.

  • Two thrust bearings minimize torque for operation.

  • Grease nipple is available to ease bearing lubrication.






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