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resilient seat wafer butterfly valve cost

Butterfly valves can shut off fluid flows by rotating the disc so it is perpendicular to the flow of the water instead of parallel. powell valves manufactures resilient seated butterfly valves in ductile iron (astm a 536) but we can also make them in special materials. styles include wafer style and lug style resilient seated butterfly valves.
Description. the st series are resilient seated 125/150, ductile iron wafer style (stw) or lug style (stl) butterfly valves available with either buna-n or epdm seats and a choice of disc materials (316ss, nickle plated ductile iron, or bronze).
The uninterruped seat butterfly valve is an excellent choice for continuous modulating control, or for extended service applications such as high cycle and higher pressures 250 psi (1720 kpa) in 2-20” sizes, with 24-26” sizes to 175 psi (1210 kpa). on-center resilient seated butterfly valves are used wide variety of liquids and gases in ...
Series 20/21 resilient seated butterfly valves: valve type: bray series 20 wafer or series 21 lug or approved equal. body: shall be two piece wafer or lug design with extended neck to allow for 2 of piping insulation. flange locating holes shall be provided on wafer bodies to allow for quick and precise alignment during valve installation.

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