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Knife Gate Valve

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Knife Gate Valves

Size 2" to 60" (50 mm to 1500 mm)
ASME Class Class 150 and PN10 
Design Standard MSS SP 81


The Knife Gate Valve provides reliable shut-off in both dry and wet lines. The bonnet-less valve is equipped with a heavy-duty gate to cut through line fluids – and is ideally suited for abrasive slurries, pulp stock, semi-solids, dry ash, chips, etc.

The valves find application in paper and pulp, minerals and metals, steel plants, thermal power plants and chemical/ petrochemical industries. L&T Valves offers Knife Gate Valves in unidirectional and bidirectional configurations.

The versatile valves are offered with metallic/ resilient seats and push-through sleeves and are available in wafer, lugged and flanged constructions.

 

Salient Features:

  • Sharp heavy-duty knife-edge at the bottom of the gate cuts through solid sediments and ensures reliable shut-off
  • Gate offered with surface coatings based on customer demand - Hardfacing, Nitriding,
    Chrome-plating
  • Replaceable seats - Easy maintenance at site. Longer service life.
  • Low operating torque - Facilitates use of smaller-size actuators. Lower Initial Investment.

 

Versatile Range:

  • Pressure ratings: Class 150 and PN10
  • End connections: Wafer, Lugged and Flanged 
  • Body materials: Ductile Iron, Cast Iron, Carbon Steel, Stainless Steel
  • Elastomer options: Black/ White Nitrile, EPDM, Viton, Hypalon, Silicon
  • Specials: Long Neck, Extended Stem

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