Air Vents

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model 21AR 3/4 NPT 92 psi, 3/32-in Orifice
Armstrong Part No: D500036

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11AV for 267 psi with 38 orifice
Armstrong part no.C3510-7

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model 21AR 3/4 inch, 208 psi, 1/16 orifice
Armstrong Part No: D501713

Free Floating Lever Cast Iron Air/Gas Vent Model 1AV 1/2 inch, 146 psi 1/8 orifice
Armstrong Part No: C3510-1

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11AV for 267psi with 38 orifice
Armstrong part no. D504182

Air Vent for Hot or Cold Water and Non-Viscous Liquids Model AV-13, 1/2-in FPT x 3/4-in MPT, Brass, 150 psi maximum working pressure
Armstrong part no D41790

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11AV 1/2-in in & out NPT connections, for 118psi with 1/8 orifice, 2.08 oz float
Armstrong part no. D510119

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model 21AR 1/2 inch, 208 psi, 1/16-in Orifice, 2.25 Flt Wt
Armstrong part no. D501212

Free Floating Lever Cast Iron Air/Gas Vent Model 1AV 3/4 inch, 173 psi with 7/64 inch orifice

Free Floating Lever Cast Iron Air/Gas Vent Model 1AV 3/4 inch, 300psi with 5/64 orifice
Armstrong Part No: C3510-12