Air Vents

Armstrong All Stainless Steel Free Floating Lever Air Vent, Model 11AV for 178psi with 1/8 orifice
Armstrong part no. D501408

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

See-thru Body Free Floating Ball Float Mechanism Air vent Model 1AVC 1/2 Inlet x 1/2 Outlet x 1/2 Alternate Inlet/Vent, NPT Connection, 1/8-orifice, 150 psi
Armstrong part no. C5534

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

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

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model 21AR 3/4 inch, 133 psi, 5/64 Orifice Vent
Armstrong Part No: D500631

Cast Iron Fixed Pivot Ball Float Air/Gas Vent Model 21AR 3/4 inch, 17 psi, 7/32 inch orifice

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

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

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