Knife Gate Valves

      Knife Gate Valves are manufactured and tested in accordance with MSS-SP-81 class 125 / 150. The knife gate valves are bonnetless, available for both non-rising and rising stem design, with cast solid body, follower and yoke. Metal seated and resilient seated knife gate valve are available. Valves are resilient seating (com- pression sealing) with the wire reinforced rubber seat which located below the bore and out of the flow line (full bore), shall be capable of tight shut-off in both direction (bi-directional) and simple in-line seat replacement. Lock nut or stopper on the stem prevents the gate from being over tightened and the o-ring is provided between the layers of packings to sweep the sludge from the gate. The full flow and Bi-directional flow ensure SCI knife gate valves with highest efficiency and reliability.


  • Sizes are available from DN 50 mm. - DN 1800 mm.(2"-72")
  • Flanges drilling to suit ANSI B16.1, ANSI B16.5, BS EN 1092, BS 10, AS 2129 and JIS.
  • Optional accessories such as Electric actuator, Pneumatic Cylinder, Hydraulic Cylinder and Stem Cover are also available.
  • Seat materials are available in NBR, EPDM, Neoprene, Viton.