775 - Double Check Valve Assemblies
  Series 774X Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. It consists of a compact construction and short lay length, ideal for retrofit installations. It features a lightweight stainless steel body and low head loss. It has two independently operating check valves between two seated shutoffs with four ball valve-type test cocks. Series 774X is ideal in applications identified by local authorities as non-health hazard. Maximum Working Pressure: 175psi (12.06 bar).
Size Range: 6 and 8 in. (150 and 200mm)