Backing/Roughing valves
The Edwards BRV valves are manually or pneumatically actuated backing/roughing valves. They combine the function of separate backing/roughing valves into one integral 3 port unit. Featuring various control and indication features, they provide a low cost, reliable and easy to operate valve.
BRV10PK Backing/Roughing Valve Pneumatic Operation
BRV25K Backing/Roughing Valve, Manual Operation