Clamp used for testing air tightness of water valve

The utility model discloses a clamp used for testing an air tightness of a water valve, comprising a test platform, water valves, and a control device; wherein, the test platform is provided with a clamp assembly lockingly connected with the water valves, the clamp assembly comprises a first clamping plate and a second clamping plate, the water valves are arranged between the first clamping plate and the second clamping plate; the first clamping plate is provided with air inlets, one ends of the air inlets are connected with an air transmission device through air transmission pipelines, the other ends of the air inlets are arranged corresponding to inlets of the water valves; the second clamping plate is connected with locking devices; and the control device is electrically connected with the air transmission device. By adopting the above technical scheme, the clamp of the utility model can ensure that the whole process is measured reliably, and can accurately quantify a pressure value and time; in addition,