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COMPACT WAFER-SILENT CHECK VALVE
Compact wafer-silent style checkvalves thru 12 inches shall be rated for 300PSI WOG for installation between ANSI Class150 or Class 300 flanges, have a Ductile Iron body ASTM A-536, ASTM A313,Type 316 Stainless Steel helical or conical spring, a Stainless Steel guide bushing and type304 Stainless Steel guide pins. Valves are to operate silently in either vertical or horizontalpositions, flow up or down. Main of Parameters：
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