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

QU

Integral Bi-directional Seal Non-groove Knife Gate Valve

Model:
QUZ73X
Working Pressure:
DN50-DN100 16kgs
DN125-DN200 10kgs
DN250-DN400 7kgs
DN450-DN600 5kgs
DN650-DN750 4kgs
DN800-DN900 3kgs
DN1000 2kgs
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:
GGG40
Disc Material:
SS316L,SS304
Sealing Material:
NBR, EPDM
Packing:
PTFE, Aramid packing, high water based , graphite
Applicable Medium:
Applicable for sewage treatment, paper, sedimentation tanks, mud and so on.

QU Series No groove bi-directional seal knife gate valve, cast iron body with the over all structure knife gate valve, including valve’ body, gate, and U-shaped flexible seal at the bottom of the body with grooves. When the valve is closed, the bottom of the gate edge contact with the seal and then compress the seal into the groove in the body and sealed gate realization; when the gate opens, separate gate from the bottom edge of the seal, seal will bounce to same level as groove, which will prevent the media sediment accumulated in the body cavity of the groove, no clogging, no residue, pipe easy to clean, so as to effectively improve the sealing effect knife gate valve to prevent leakage when the valve is closed.






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CHISUN VALVE CO.,LTD.