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90 series of various electric, pneumatic, manual valves,
etc.More than 8700 specifications and varieties

QW

Bi-directional Self-sealing Knife Gate Valve

Model:
QWZ73X
Working Pressure:
DN50-DN100 8kgs
DN125-DN200 5kgs
DN250-DN400 3.5kgs
DN450-DN600 2.5kgs
DN650-DN750 2kgs
DN800-DN900 1.5kgs
DN1000 1kgs
Design Standard:
JB/T8691-2013
Flange Standard:
GB/T9113.1-2010
Face to Face:
GB/T15188.2-94 chart6-7
Testing Standard:
GB/T13927-2008
Operation:
Manual, electric, pneumatic, hydraulic, chain, electro-hydraulic, gear
Main Material:
F55.F53.2205.CF3M.CF8M.CF8.WCB.GGG40
Disc Material:
F55, F53,2205, SS310, SS316L,SS316, SS304
Sealing Material:
NR, EPDM
Packing:
Graphite
Applicable Medium:
Applicable for mud, pulp, slurry, tailings, cyclones, shields and so on.

QW Series Self-sealing knife gate valve is to use two rubber seats on the clip pressed the knife a sealing effect. When the knife is fully open, the two seat seals combined together tightly, the pipeline pressure will make sealing better, while the valve is closed, the gate can be arbitrarily removed convenient maintenance, no need to remove the entire valve repair and does not affect the normal operation of the pipeline. The main characteristics of the valve bore full rubber seal seat, has a strong anti-wear properties and all-pass run off continuity. Suitable for use on those requirements valve wear mining.






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CHISUN VALVE CO.,LTD.