... benchis used for make of hydraulic and pneumatic tests of swing check valves,according to the following: 1. Maximal clamping ... on the valve max. pressure 2.Type of valves: Swing check valve, gate valve,globe valve, plug valve,ball valve,control valve ... bench: manual OR your crane - Clamp of valve: automatic- Feeding a test pressure: automatic - Monitoring and measurement of test results: monometer and ...