Armstrong 1AV Air Vent

Overview

1-AV Series Free-Floating Lever Air/Gas Vent Cast Iron For pressures to 300 psig (21 bar) or specific gravity down to 0.40 1-AV cast iron air vent that uses a free-floating lever that closes positively, ensuring a leak tight closing under all conditions. This vent is good for low capacity air/gas venting up to 300 psi (21 bar).
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