JQWY Series Knife Gate Valves
JQWY Series Bi-directional Seal Knife Gate Valves/Fully Enclosed Medium Pressure
Model: JQWYZ43X
Working Pressure: DN300-DN500 20bar, DN550-DN800 16bar, DN850-DN1000 10bar, DN1100-DN2000 8bar
Type: 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: API-598
Operation: handwheel, electric, pneumatic, hydraulic, sprocket, electro-hydraulic, gear
Main material: F55,F53,2205,SS310,CF3M,CF3,CF8M,CF8,WCB
Disc material: F55,F53,2205,SS310,SS316L,SS316,SS304
Sealing material: NBR,NR,EPDM,
Packing: PTFE,high water based,rubber packing,graphite
Applicable medium: Applicable for sludge boat, cutter suction boat, mud, and so on.