Crispin Air Release, Air & Vacuum and Universal Combination Valves meet or exceed ANSI/AWWA C512 Standards.
abbreviations used for product Compliance
Deep Well Air Valves have an adjustable top which controls the velocity of air discharged from the valve. It also helps prevent chatter, and premature closure of the valve mounted on the discharge side of the pump.
NOMINAL INSIDE DIAMETER: 1/2”-6” Sizes Available (NPT or ANSI flanging)