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Wafer Butterfly Check Valve is an energysaving product, is manufactured based on the foreign advanced technology and in accordance with relative international standards. This product is featred by excellentretaining performance, high safety and reliablity and low resistance. It is suitable for systems in the industries of perochemical, food processing, medicine,textile, paper-making, water supply and drainage,metallurgy,energy and light industry etc.
1. Small and light, Tightly sealed. Less expensive than swing check valve.
2. Two torsion springs are used excerting on each of the pair valve plate,which close the plate quickly and automaticaly.
3. The quick-close action prevent the meidum from flowing back and eliminates water hammer effectively.
4. Can be installed both horizontaly and vertical on pipeline.
5. Safe and reliable in operation, high interference-resistance.
6. The connection dimensions of flanges meets the standards of GB4216.4-42,16.5-84
Specification
Butterfly Type Check Valve
DN40-800; PN10, 16, 25;
Standard:ANSI, BS, DIN
Ductile cast iron body, EPDM coated
ISO9001
Other 1
Technical Data
model Testing pressure(MPa) Working Temperature 蚓 Suitable Mediums
Shell Sealing
H76X-10 1.5 1.1 -10--120 Fresh water, Sewage,Sea water, Air, Steam etc
H76X-16 2.4 1.76 -10--120
Material of Main parts
Parts name Body plate shaft Sealing ring spring
Material Cast iron Ductile iron 2Cr13 rubber SS304