134-BZ Pneumatically-Operated Surge Relief Valve
(134-BZ)
The Cla-Val Model 134-BZ Pneumatically-Operated Surge Relief Valve is a quickopening relief valve which opens to relieve surges to atmosphere. This valve consistsof an angle-pattern, single control chamber Hytrol main valve, a three-way solenoidvalve, an auxiliary pilot valve, and a manual control valve. In normal operation, thevalve is closed due to pilot control system directing pneumatic pressure to hold Hytrolmain valve closed.
