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¡¾QY series¡¿Unidirectional seal Knife Gate Valve
¡¾QY series¡¿</br> Unidirectional seal Knife Gate Valve for steam, sewage, high pressure pipes and so on
Model: QYZ73X
Working Pressure: DN50-DN150
DN200
DN250-DN300
DN350-DN400
DN450-DN600
DN700-DN1400
10bar
8bar
6bar
5bar
3bar
2bar



Type: Wafer,Lug,Flange
Design Standard: MSS SP-81
Flange Standard: DIN PN10,PN16,150LB ,JIS 10K,TABLE E/D
Face to Face: MSS SP-81
Testing Standard: EN12266
Operation: handwheel, electric, pneumatic, hydraulic, chain, electro-hydraulic,worm gear
Main material: CF8M,CF8,WCB,GGG40
Disc material: SS316L,SS304
Sealing material: NBR,NR,EPDM,FKM,Metal to Metal
Packing: PTFE,high water based,rubber packing,graphite
Applicable medium: Applicable for coal in power plant, slag discharge, sewage treatment, 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.
Data Sheet    Installation Instructions