22 Valve Dimensions
22 Valve Materials of Construction
Recommended Air Release Valve Sizing Chart
Application Chart
Venting Capacity for Air Release Valve Orifice Sizes
Air Release Valve Vault Installation
Air Release Valve Pipe Installation
Why an Air Release Valve Opens - Series 15A, 22, 25 (Simple Lever Type)
Why an Air Release Valve Opens - Series 38, 45, 50, 61 (Compound Lever Type)
Air Release Valve (Simple Lever Type) Instruction Manual
Air Release Valve (Compound Lever Type) Instruction Manual