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AMD-4020, 4 IN Stainless Steel Double Check Valve Backflow Preventer Assy, Deringer, Integral Butterfly Shutoffs, Grooved Ends, Dual-Action Check Modules
Item #: AMD-4020
Supplier #: D-4020
This 4 inch Ames Deringer(TM) 20 double check valve backflow preventer assembly is designed to prevent non-health hazard pollutants from entering the potable water supply system caused by backflow due to backpressure and/or backsiphonage conditions. Deringer 20 features integral Eccentric-Seal(TM) butterfly shutoff valves for a short lay length, integrated tamper switches, and Dual-Action(TM) checks for high performance at low-and high-flow rates. It may be installed under continuous pressure service to protect against both backpressure and backsiphonage. Maximum working pressure is 175psi (12 bar).
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Item Specifications
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4
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BFG
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DC 1015
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Straight
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Grooved X Grooved
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Lead Free
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Ames-Deringer
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20
