Hoffman Air Valve 401437 75H, 1/2" x 3/4" Straight Steam Main Air Valve length_10" 1/2" IPS Style 65 Water

1/2" IPS Style 65 Water Service Compression Dresser Coupling for Steel Pipe (long)

With Stuffing Box

1-1/4" IPS Style 90 Low Pressure Steam Compression Dresser Coupling for Steel Pipe

Cover plates keep clamp ear centered while pinching

The PRIER C-240 is a time tested design

Hoffman Air Valve 401437 75H, 1/2" x 3/4" Straight Steam Main Air Valve length_10" 1/2" IPS Style 65 WaterAir Valve (non vacuum) Float type thermostatic vent For medium and large systems Single non adjustable port 12" NPT female and 34" NPT malestraight shank Maximum operating pressure 10 psig (0. 7 bar)(Drop away pressure maximum pressure against which the vent can open). Maximum pressure 15 psig (1. 0 bar)