Hoffman Air Valve 401461 45, 3/4" x 1/2" Straight Steam Convector Air Valve conncection_Socket x Socket National Fire Protection Association Standardized

National Fire Protection Association Standardized (NFPA)

w / Adjustable Packing Gland

w / Chrome Plated Lever Handle

1" IPS Style 90 Low Pressure Steam Compression Dresser Coupling for Steel Pipe

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

Hoffman Air Valve 401461 45, 3/4" x 1/2" Straight Steam Convector Air Valve conncection_Socket x Socket National Fire Protection Association StandardizedAir 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)