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QW series Bi-directional seal Knife Gate Valve Special for Mining
QW series</br>  Bi-directional Self-sealing Knife Gate Valve for mud, pulp, tailings, cyclones and so on.
Model: QWZ73X  
Working Pressure: DN50-DN100
DN125-DN200
DN250-DN400
DN450-DN550
DN600-DN700
DN800
16bar
10bar
7bar
5bar
3bar
2bar
   
Type: Wafer
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
Transmission: handwheel, electric, pneumatic, hydraulic, sprocket, electro-hydraulic, gear
Main material: GGG40
Disc material: SS316L,SS304
Sealing material: NR,EPDM,Polyurethane
Packing: PTFE,high water based,rubber packing,graphite
Applicable medium: Applicable for coal in power plant,sewage treatment, food, paper making, medicine, petroleum and chemical industry, water, Oil, steam, gold powder, ores, slag,pulp,wood pulp,tailings,fibers,dust, chemicals, sewage treatment, sedimentation tanks, asphalt,cereals, slaughter plant waste and other media.

Data Sheet

QW Manual