Hoffman 71A, 1/8" Straight Steam Convector 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 Telescopic siphon tube with angle cut assures drainage 1⁄8" NPT straight shank 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)