Hoffman Air Valve 401443 70A, 1/8" Angle Steam Radiator Air Valve Hub 1 Air Eliminators at the

1 Air Eliminators at the end of the long main or main running to the cold side of the building

Maximum hydrostatic pressure 200 psig (13

3/4" IPS Style 90 Low Pressure Steam Compression Dresser Coupling for Steel Pipe

rattling or noise under flow

Steel bushings and plugs conform to ASME B16

Hoffman Air Valve 401443 70A, 1/8" Angle Steam Radiator Air Valve Hub 1 Air Eliminators at theAir Valve (non vacuum) Float type vent Single non adjustable port Meets Federal Specification WW V 151 for Type 1Non Adjustable Valves 18" 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)