Valve Concepts, Inc. offers 3100 Pressure/Vacuum Vent Valve. The product is available in sizes up to 12 in Aluminum, Carbon Steel, 316 SST, and 3 composite FRP materials including Derakane 470, Derakane 411, and Furan.
The model is modular which can be upgraded to a pipe away, spring loaded, or pilot operated unit with few additional Accessories. This model meets the requirements of both State and Federal Environmental Agencies.
