38VB/AR Vacuum Breaker/Air Release Valve
Cla-Val 38VB/AR Series Vacuum Breaker and Air Release Valve provides vacuum prevention and slow air release for pressure surge control. This valve is a reliable and economical pipeline surge control solution that requires no regular maintenance. Standard valves are designed to open with minimal (1/4 psi) pressure differential across the orifice. Higher or lower relief settings are available.