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 | New Wafer Check Valve Meets Critical Demands of Water Applications Asahi / America, Andover, MA 26 Oct 2011 Asahi/America, Inc., the leader in thermoplastic fluid flow technologies, introduces 10” and 12” PVC wafer check valves. Wafer check valves are installed on the discharge side of pumps in applications such as aquariums, water attractions, water treatment and municipalities to prevent back-flow flooding that could seriously damage pump systems.  | ||
 | Spring Check Valve Dwyer Instruments, Inc., Michigan City, IN 19 Aug 2008 The NEW Series SCV Spring Check Valves from Dwyer Instruments, Inc., are the valves of choice for cost sensitive applications that require a full featured, no compromise valve. The SCV Spring Check Valves prevent reversal of flow in piping systems, and they are ideal where backflow could potentially cause damage to pumps, filters, or process equipment. These valves are available in PVC with EPDM o-rings or CPVC with FPM o-rings and in sizes: 1/2" to 4". | ||
 | Plastic Ball Check Valves w/ True Union Dwyer Instruments, Inc., Michigan City, IN 4 Mar 2008 The NEW Series BCV Plastic Ball Check Valves from Dwyer Instruments are economical, thermoplastic ball check valves ideal for chemical and wastewater applications. All sizes of valves feature a true union design, and because of their all plastic construction, these valves will never jam or stick as a result of rust or corrosion. Units come in PVC or CPVC plastic bodies with EPDM or FPM o-rings for a wide range of chemical compatibility and are available in 1/2" to 4" sizes. | ||
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