AMD-4030X-LM, 4 IN SS Double Check Detector Assembly, Less Meter, Low Head Loss, Deringer, Integral Butterfly Valves, Grooved Ends, Dual-Action Checks

Item #: AMD-4030X-LM

Supplier #: D-4030X-LM

This 4 inch Ames Deringer(TM) 30X Double Check Detector Type II 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 30X features extra large body and checks for lower head loss, 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. The Type II bypass is used to monitor unauthorized water usage, is primarily required on fire sprinkler systems, and comes without a meter. Maximum working pressure is 175psi (12 bar).

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