Hoffman 401416

4, ½” x ¾” Straight Steam Quick Valve

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 horizontal

return 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 vent

can open).) * Maximum pressure 25 psig (1.7 bar)