Model 888 silent wafer check valves from Flomatic Corporation NSF/ANSI Standard 61 certified for drinking water systems. All sizes and models are constructed with EPDM elastomers. The valve is designed for simple flange-supported installation and will operate equally well in any position. It is suitable for dual-flange ANSI 125 and 250 mounting, except for 8- and 10-inch sizes. The convex inlet, double-guided, spring-loaded poppet system maximizes efficiency and reduces water hammer. It has an easy field-exchangeable internal system. 800/833-2040;

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