Hoffman Air Valve 401416 4, 1/2" x 3/4" Straight Steam Quick Valve size_1-1/2" x 3-1/2" Forged stainless outlets conform to

Forged stainless outlets conform to MSS SP-97

Ward fittings have a chamfered opening to allow faster and easier pipe engagement

6" IPS Style 39 Gas Meter Dresser Coupling for Steel Pipe

When using an oversize: clevis

Underwriters Laboratories Listed (UL)

Hoffman Air Valve 401416 4, 1/2" x 3/4" Straight Steam Quick Valve size_1-1/2" x 3-1/2" Forged stainless outlets conform toQuick Valve Thermostatic air vent For steam systems and process equipment Operates on temperature change only; does not close against water Must be installed 6 10" (150 250mm) above horizontalreturn and 18" (450mm) above the boiler water line 12" NPT female and 34" NPT male straight shank Maximum operating pressure 25 psig (1. 7 bar)*(Drop away pressure maximum pressure against which the ventcan open).) Maximum pressure 25 psig (1. 7 bar)