With roots extending back to the 1950’s, Allied Valve has grown to be the leading supplier of relief valves and valve services in the upper Midwest. With facilities ranging from North Dakota to Indiana, Allied can supply new Consolidated and Kunkle relief valves and service virtually all valve types in our plants as well as at customer facilities. But our service does not stop there. Due to the depth of experienced technical personnel, AVI can supply other related services including leak sealing, field machining, hot-tap service and actuator repair. Allied Valve is your single source for all your relief valve needs and valve related repair services.