JQY/JQYL Series Unidirectional seal Ceramic Knife Gate Valve

Product Description: JQY Series is buried in valve’ body and completely isolated from the outside environment, it is suitable for installed with sewage pipes and keeps the valve body immersed in the liquid, if the gate is not isolated from the external environment, then the gate will soon be corrupted and influence its serving life. The sealing structure is that when the knife is moving downward, its edge will press the wedge block and ensure the knife will be closed combined with seat seal, so as to achieve a sealing effect.

Model: JQYZ73X
Working Pressure: QY DN50-DN150 10bar, DN200 8bar，DN250-DN300 6bar, DN350-DN400 5bar, DN450-DN600 3bar, DN700-DN1400 2bar Working Pressure: QYL DN50-DN2000 16bar, DN2200-DN3000 10bar
Type: Wafer,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: CF3M,CF3,CF8M,CF8,WCB,GGG40
Knife material: F55,F53,2205,SS310,SS316L,SS316,SS304
Sealing material: EPDM,NBR,FKM
Packing: Aramid fiber,high-water-based rubber packing graphite wheel
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.