Sell Hydraulic Control Butterfly Check Valve

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Product Origin:China
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Payment Terms:L/C, T/T
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Description:our products can meet the internatioal standards as follow: CJ/T 154-2001; BS1868; JB/T 5299-98; API; AWWA; DIN; JIS and so on. Our products are new design anti-water hammer and energy conservation with slanted seat, bi-eccentric body, metal sealing couple. Special design has been made to the structural element related to the characteristic of drag, oil pressure slowly closing units are extablished closing in quick and slow steps. It can be protected water reverse and occurrence of destroyed water hammer effectively when pump is in normal operation or suddenly stop due to electricity accident. This series products are widely applicable for petrol-chemical, power station, metallurgy and civil irrigation and drainage etc. in pipeline system. Specification: DN300~4200mm PN2.5~PN40 -10°C~120°C Body: CI, DI;Disc: CI, DI, SS, bronze;Shaft: SS Seat: synthetic rubber, SS, hard alloy