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

HomeProductsKnife Gate ValveUnidirectionalQVY SeriesQVY

QVY

Unidirectional Seal Full Enclosed Medium Pressure Knife Gate Valve

Model:
QVYZ73X
Working Pressure:
DN100-DN2000 25bar
DN2200-DN3000 16bar
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, SS310, CF3M, CF3, CF8M, CF8, WCB, GGG40
Disc Material:
F55, F53, 2205, SS310, SS316L, SS316, SS304
Sealing Material:
EPDM, FKM, NBR, PTFE
Packing:
Aramid fiber, high-water based fiber, rubber, PTFE
Applicable Medium:
Applicable for coal in power plant, slag discharge, sewage treatment, food, paper making, medicine, petroleum and chemical industry, water, Oil, steam, connecting or cutting grout, gold powder, ores, slag, coal, pulp, wood pulp, tailings,fibers, dust, chemicals, sewage treatment, sedimentation tanks, asphalt, bunker export, cereals, slaughter plant waste and other media.
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Detailed Introduction

QVY Series is a blade in valve’ packing, which will scrap dirty attached on knife and prevent dirty moving upward. There is a fully closed bonnet equipped with a flushing point, which will effectively prevent any leakage. This is packing and bonnet double sealing middle pressure knife gate valve.




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