Watts TR FLGXCIPS 4 8 6 Part of the TR Series ZC100F 4NH This first or second check This first or second check valve kit is used to repair or replace the first or second check valve on a 8 inch lead free double check valve assembly backflow preventer Specifications Body Material Iron Brand Watts Buy American Act Compliant NO Class Rating 125 or 150 Control Type Gear Operator CV Rating 5340 GPM Disc Material Aluminum Bronze EAN 098268604887 Inlet Connection Size 10 IN Inlet Connection Type Lug Lead Free YES Maximum Operating Temperature Fahrenheit 248 Maximum Working Pressure PSI 200 Minimum Temperature Fahrenheit 33 Operating Torque Dry 4857 in lbs Operating Torque Wet 2500 in lbs Outlet Connection Size 10 IN Outlet Connection Type Lug Part Number 0525687 Seat Material EPDM Series BF03 121 Silicone Free Yes Stem Shaft Material Stainless Steel Valve Style Lug UPC 098268604887 Provided with installation tabs this unit has a 4 inch cast iron pipe size (CIPS) coupler for easy connection to the underground supply (AWWA C900 PVC) and 4 inch ductile iron pipe industry standard flanged end connection (AWWA C606) on the building side for easy connection to the overhead fire sprinkler system