Air Vents

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 for 178psi with 1/8 orifice
Armstrong part no. D501408

All Stainless Steel Free Floating Lever Air Vent Model 11AV 3/4 inch in X 3/4 inch out npt, 1/8 inch orifice for 178 psi
Armstrong part no D509991

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11V 3/4 inch, #38 orifice, 2.08 oz float
Armstrong part no. D501062

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11AV, Connections: 3/4-in x 1/2-in Out & 2.90-oz Float for 311 psi with 5/64 orifice
Armstrong part no. C3510-8

Free Floating Lever Cast Iron Air/Gas Vent Model 1AV 1/2 inch, 173 psi with 7/64 orifice
Armstrong Part No: D501841

Free Floating Lever Cast Iron Air/Gas Vent Model 1AV 1/2 inch , 219 psi with #38 orifice

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

See-thru Body Free Floating Ball Float Mechanism Air vent Model 1AVC 1/2 inch inlet x 3/4 oulet x 1/2 inch/vent, 150 psi

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model Model 21-AR 1/2 inch npt, 23 psi, 3/16 inch orifice