Watts LF909 QT S FDA FS 2 1 2 Part of the LF909 Large Series detectable warning mat finder This 3 4 inch process steam This 3 4 inch process steam pressure regulator 00 Minimum Temperature Fahrenheit 0 Operating Torque 3190 Outlet Connection Size 6 IN Outlet Connection Type Flanged Joint Outlet Thread Type Does Not Apply To Product Part Number 0822654 Port Type Full Seat Material PTFE Series G4000M1 Stem Packing Material PTFE Stem Shaft Material 304 Stainless Steel Stem Type Standard Thrust Washer Material Stainless Steel Valve Style 2 piece WOG Rating 200 PSI Specification Sheet G4000M1 FDA epoxy coated quarter turn ball valves This 2 1 2 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure