Hoffman Air Valve 401434 75, 1/2" x 3/4" Straight Steam Main Air Valve length_5-1/2" perlins or other structural member

perlins or other structural member with standard construction materials (Unistrut

Stainless Steel Bands

material:   Galvanized Iron connection:   Threaded Thread Type:   Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory

All Swage nipples are zinc electroplated

12" IPS Style 38 Water Service Coupling for Steel Pipe (Plain)

Hoffman Air Valve 401434 75, 1/2" x 3/4" Straight Steam Main Air Valve length_5-1/2" perlins or other structural memberAir Valve (non vacuum) Float type thermostatic vent For medium and large systems Single non adjustable port 12" NPT female and 34" NPT male straight shank Maximum operating pressure: 3 psig (0. 2 bar)(Drop away pressure maximum pressure against which the vent can open). Maximum pressure 15 psig (1. 0 bar)