Hoffman Air Valve 401476 550, 1/4" Straight Air Chamber

Air Chamber
For use on convectors which are not provided withbuilt-in air chambers or air collection fittings
Brass construction.
1„4" NPT straight shank connection tapped atthe top for 1„8" NPT connection
6 cubic inch (98.3cm) volume
Maximum water pressure 100 psig (6.9 bar)
Maximum steam pressure 25 psig (1.7 bar)