AMD-2050K-GPM, 2 IN SS Reduced Pressure Detector Assy, GPM, Deringer, Integral Butterfly Valves, GRV Ends, Dual-Action Ck Mods, Adapter Kit with 2-1/2 IN GRV Couplings and Adapters

This 2 inch Ames Deringer(TM) 50 Reduced Pressure Detector Type II Assembly is designed to prevent hazardous contaminants and non-health hazard pollutants from entering the potable water supply system caused by backpressure and/or backsiphonage conditions. Deringer 50 features integral Eccentric-Seal(TM) butterfly shutoff valves for a short lay length, integrated tamper switches, and True-Seal(TM) and Dual-Action(TM) checks for high performance at low-and high-flow rates. This valve comes with kit to adapt valve from 2 inch to 2-1/2 inch valve. The kit includes two 2-1/2 inch grooved couplings and two 2 inch NPT x 2-1/2 inch groove adapters. End connections are union type stainless steel 2 inch female NPT threads for ease of installation. The Type II bypass is used to monitor unauthorized water usage, is primarily required on fire sprinkler systems, comes with a GPM meter. Maximum working pressure is 175psi (12 bar).