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- 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.
WATTS® Double Check Valve Assembly, Series: 774, 8 in Nominal, 175 psi, 33 to 110 deg F, Resilient Seated Gate Valve Ball Valve/Gate Valve, 300 Stainless Steel Body, 52-1/2 in L x 13-1/2 in W, Domestic
- Internal relief valve for reduced installation clearances
- Short lay-length is ideally suited for retrofit installations
- Stainless steel body is light weight reducing installation and shipping costs
- Stainless steel construction provides long term corrosion resistance and maximum strength
- Single top access cover with two-bolt grooved style coupling for easy maintenance
- Thermoplastic and stainless steel check valves for trouble-free operation
- Compact construction for smaller vaults and enclosures
- 300 series stainless steel internal metal parts
- The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight
- UL/FM outside stem and yoke resilient seated gate valve
- (2) Independently Operating Torsion Spring Check Assemblies, (2) Resilient Seated Isolation Valves and (4) Test Cocks
- Ball Valve / Gate Valve TypeResilient Seated Gate ValveBody Material300 Stainless SteelDomestic / ImportDomesticNominal Size8 inDimensions52-1/2 in L x 13-1/2 in WManufacturerWatts Water TechnologiesManufacturer #0438025Pressure Rating175 psiSeries774Temperature Rating33 to 110 degF