Hoffman
Hoffman Air Valve 401416 4, 1/2" x 3/4" Straight Steam Quick Valve
Quantity:
Quick Valve
Thermostatic air vent
For steam systems and process equipment
Operates on temperature change only;does not close against water
Must be installed 6-10" (150-250mm) above horizontalreturn and 18" (450mm) above the boiler water line
1„2" NPT female and 3„4" NPT male straight shank
Maximum operating pressure 25 psig (1.7 bar)*(Drop away pressure - maximum pressure against which the ventcan open).)
Maximum pressure 25 psig (1.7 bar)