Watts 757DCDA OSY FXG CFM 4 Part of the 757DCDA Series inlet protection finder Specifications Air Valve No Brand Specifications Air Valve No Brand Watts Buy American Act Compliant NO Case Material Steel Dial Size 2 1 2 IN EAN 098268589870 Entry Style Back Inlet Connection Size 1 2 IN Inlet Connection Type Male Threaded Lead Free YES Manual Shutoff No Maximum Operating Temperature Fahrenheit 320 Minimum Temperature Fahrenheit 60 Part Number 0121687 Pressure Scale 0 to 200 PSI Sensing Element Yes Sensing Fluid No Series LFDPTG 3 Stem Shaft Material Lead Free Brass Temperature Range 60 to 320 degrees F Thermostat Probe Length Does Not Apply To Product Thermowell No VR Retaining Valve Yes Specification Sheet LFDPTG 3 50 Minimum Temperature Fahrenheit 33 Outlet Connection Size 3 4 IN Outlet Connection Type Female Threaded Outlet Thread Type NPT Part Number 0009606 Series LFN55B M1 Standard Reduced Pressure Setting BAR 3 Cubic feet per minute meter It is used primarily on fire sprinkler lines when it is necessary to monitor unauthorized use of water and includes a cubic feet per minute meter that measures water flow