Hoffman Air Valve 401443 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 1Non-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)