Watts LFM116 GRV B 20 200 PI 8 Part of the LFM116 Series Hanes Geo 4 to 10 Body Material 4 to 10 Body Material Lead Free Cast Copper Silicon Alloy Brand Watts Corrosion Resistant Coating No Disc Material EPDM EAN 098268349887 Gauge Option No Gauge High Pressure Reduced Pressure Range 50 to 145 PSI High Pressure Reduced Pressure Setting 50 PSI Inlet Connection Size 1 IN Inlet Connection Type Female Threaded Inlet Thread Type NPT Lead Free YES Maximum Operating Temperature Fahrenheit 160 Maximum Working Pressure BAR 20 It features a food grade porcelain enamel coating on the cast iron bowl When valve installed in line connecting two distribution zones This pressure relief control valve is designed to permit flow when upstream pressure is above the adjustable setpoint of the control pilot