Watts Series 774 Double Check Valve Assembly

Series 774 Double Check Valve Assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system. This series can be applied, where approved by the local authority having jurisdiction, on non-health hazard installations. Features short end-to-end dimensions, light weight stainless steel body, and the lowest head loss available.

Features:

• Torsion spring check valve provides low head loss
• Short lay length is ideally suited for retrofit installations
• Stainless steel body is half the weight of competitive designs reducing installation and shipping cost
• Stainless steel construction provides long term corrosion protection and maximum strength
• Single top access cover with two-bolt grooved style coupling for ease of maintenance
• Thermoplastic and stainless steel check valves for trouble-free operation
• No special tools required for servicing
• Compact construction allows for smaller vaults and enclosures
• May be installed in horizontal or vertical "flow up" position