Hoffman 70A, 1/8" Angle Steam Radiator Air Valve

Air Valve (non-vacuum) Float-type vent Single non-adjustable port Meets Federal Specification WW-V-151 for Type 1 Non-Adjustable Valves 1⁄8" NPT angle connection Maximum operating pressure 11 psig (0.8 bar)(Drop away pressure - maximum pressure against which the vent can open). Maximum pressure 15 psig (1.0 bar)