Watts 774 DNRS 4 Part of the 774 Series ground shipping Specifications Air Precharge 60 PSI Specifications Air Precharge 60 PSI Air Valve No Body Material Copper Brand Watts Buy American Act Compliant NO Connection Size 3 8 IN Connection Size Metric 10 MM Connection Type Female Threaded EAN 098268430110 Factory Set Pressure PSI 60 Lead Free YES Maximum Operating Temperature Celsius 82 UPC 098268651676 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 4 IN Outlet Connection Type Flanged Joint Outlet Shutoff Valve Type Non Rising Stem Gate Valve Outlet Thread Type Does Not Apply To Product Part Number 0439302 Polymer Coating No Pressure Operation Continuous Protection Type Backpressure and Backsiphonage Series 774 Strainer No Technologies Does Not Apply To Product Tradename None Specification Sheet 774 domestic non rising stem resilient seated gate valves