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

QWY

Bi-directional Seal Knife Gate Valve/Fully Enclosed Medium Pressure

Model:
QWYZ43X
Working Pressure:
DN300-DN500 20bar
DN550-DN800 16bar
DN850-DN1000 12bar
DN1100-DN2000 8bar
Design Standard:
MSS SP-81
Flange Standard:
DIN PN10, PN16, 150LB, JIS 10K, TABLE E/D
Face to Face:
MSS SP-81
Testing Standard:
API-598
Operation:
handwheel, electric, pneumatic, hydraulic, sprocket, electro-hydraulic, gear
Main Material:
F55, F53, 2205, CF3M, CF8M, CF8, WCB, GGG40
Disc Material:
F55, F53,2205, SS310, SS316L,SS316, SS304
Sealing Material:
NBR, EPDM, NR, PU
Packing:
Aramid fiber, high-water based fiber, rubber, PTFE
Applicable Medium:
Applicable to Silt dredger, cutter suction dredger, mud.

QWY Bi-directional seal Knife Gate Valve,stell body with 2 Replaceable seals structure knife gate valve, Flange protective cover to effectively protect the valve body, increasing valve life. This series of products is particularly suitable for the treatment of sludge.

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