Crispin Air Release, Air & Vacuum and Universal Combination Valves meet or exceed ANSI/AWWA C512 Standards.
abbreviations used for product Compliance
These valves perform the function of both Air & Vacuum and Pressure Air Valves, permitting the application of various pressure orifice sizes for a range of air volume requirements under varying pressures. Both NPT screwed and ANSI class flanges available.
NOMINAL INSIDE DIAMETER: 1”-4” Sizes Available (NPT or ANSI flanging)