Watts BF03 121 4G 6 Part of the BF03 121 Series Sheet Drain Maximum pressure (non shock) 400 Maximum pressure (non shock) 400 psi (27 This total relief valve repair kit is designed for use on a 1 2 and 3 4 inch lead free reduced pressure zone assembly NSF approved EPDM seat Specifications Body Material Ductile Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Gear Operator CV Rating 1579 GPM Disc Material Aluminum Bronze EAN 098268503968 Inlet Connection Size 6 IN Inlet Connection Type Lug Lead Free Yes Maximum Operating Temperature Fahrenheit 248 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 5 Operating Torque Dry 1542 in lbs Operating Torque Wet 907 in lbs Outlet Connection Size 6 IN Outlet Connection Type Lug Part Number 0526830 Seat Material EPDM Series BF03 121 Silicone Free Yes Stem Shaft Material 416 Stainless Steel Valve Style Lug Specification Sheet BF03 121