Watts LFFBV 3 PRxPEX 1 Part of the LFFBV 3 PRxPEX Series HDPE This 1 2 inch steam radiator This 1 2 inch steam radiator valve is used as a shutoff valve in steam or hydronic heating systems This 3 4 inch isolation pump is designed to facilitate circulator pump replacement or repairs while the integral purge port facilitates system purging 00 Minimum Temperature Fahrenheit 0 Operating Torque Does Not Apply To Product Outlet Connection Size 1 IN Outlet Connection Type Pex Crimped Outlet Thread Type Does Not Apply To Product Part Number 88009057 Port Type Full Seat Material Virgin PTFE Series LFFBV 3 PRxPEX Stem Packing Material Virgin PTFE Stem Shaft Material Brass Stem Type Bottom Loaded Blowout Proof Thrust Washer Material Virgin PTFE Valve Style 2 piece WOG Rating 250 PSI Specification Sheet LFFBV 3 PRxPEX Bottom loaded blowout proof stem with packing nut