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Knife Gate Valves PDF Print E-mail

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Valves are manufactured and tested in accordance with MSS-SP-71 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. Valve are resilient seating (compression 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 driling to suit ANSI B16.1, EN 1092, BS 10, ANSI B16.5,
    AS 2129 and JIS.
  • Optional accessories such as Electric actuator, Pneumatic Cylinder,
    Hydraulic Cylinder and Stem Cover are slao available.
  • Seat materials are available in NBR, EPDM, Neoprean, Viton. 


  • Suitable for all type of water, air and steam 100 C or 250 F. (For higher temperature, consult factory).