Hoffman Air Valve 401461 45, 3/4" x 1/2" Straight Steam Convector Air Valve conncection_Socket x Socket CSA Approved (3-88 spec 5

CSA Approved (3-88 spec 5 psig residential gas)

Fast and easy to use

1„2" NPT female and 3„4" NPT male straight shank

9 (except Wall) and MSS SP-43   Manufacturing facility is ISO 9001:2008   Independent lab verification that fittings meet applicable chemical & mechanical properties

Hoffman Air Valve 401461 45, 3/4" x 1/2" Straight Steam Convector Air Valve conncection_Socket x Socket CSA Approved (3-88 spec 5Air Valve (non vacuum) Single non adjustable port For small steam systems Telescopic siphon tube with angle cut assures drainage 12" NPT female and 34" NPT male straight shank Maximum operating pressure 6 psig (0. 4 bar)(Drop away pressure maximum pressure against which the vent can open). Maximum pressure 10 psig (0. 7 bar)