Watts 4 957 OSY IOT Part of the 957 Series Nonwoven Fabric Features Micro bubble air separator Features Micro bubble air separator Specifications Body Material Ductile Iron Brand Watts Class Rating 125 or 150 Control Type Lever Handle CV Rating 3136 GPM Disc Material Stainless Steel EAN 098268594843 Inlet Connection Size 8 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature Fahrenheit 176 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 33 Operating Torque Dry 2919 in lbs Operating Torque Wet 1697 in lbs Outlet Connection Size 8 IN Outlet Connection Type Lug Part Number 0525215 Seat Material Buna N Series DBF 03 Silicone Free Yes Stem Shaft Material 316 Stainless Steel Valve Style Lug Specification Sheet DBF Specifications ArmorTek Technology No Backflow Preventer Type Reduced Pressure Zone Assembly Body Finish Stainless Steel Body Material Stainless Steel Body Pattern Inline Brand Watts Buy American Act Compliant NO Bypass No Bypass Size Does Not Apply To Product Cap And Tether No Disc Material Silicone EAN 098268159035 Elbow Fitting No Hazard Protection Level Health Hazard Hot And Harsh Water No Hydrant Connection No Inlet Connection Size 4 IN Inlet Connection Size Metric 100 MM Inlet Connection Type Flanged Joint Inlet Shutoff Valve Type Outside Stem And Yoke Gate Valve Inlet Thread Type Does Not Apply To Product Lead Free Yes Maximum Temperature Fahrenheit 140 Maximum Working Pressure BAR 12 Specification Sheet 957 (Spanish)