Crispin Air Release, Air & Vacuum and Universal Combination Valves meet or exceed ANSI/AWWA C512 Standards.
abbreviations used for product Compliance
Pressure Air Release Valves have a long body to keep liquid waste and solids away from working parts. These valves vent accumulations of air and gas while the system is in operation and under pressure.
NOMINAL INSIDE DIAMETER: 2”-4” Sizes Available (NPT or ANSI flanging)