Skip to Main Content


Double Check Valve Assemblies, Stainless Steel

Series 774 Double Check Valve Assemblies prevent the backflow of polluted water from entering into the potable water supply. They have a compact construction and short lay length, ideal for retrofit installations. They feature a lightweight stainless steel body and low head loss. Series 774 is ideal in applications identified by local authorities as non-health hazard. Maximum Working Pressure: 175psi (12.06 bar).


  • Torsion spring check valve provides low head loss
  • Stainless steel construction provides strength, resists corrosion, and weighs less
  • Single cover, top-entry design allows for convenient access for maintenance
  • Thermoplastic and stainless steel check valves provide trouble-free operation

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 774

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: