Valve type apparatus for testing pressure

The utility model relates to valve type apparatus for testing pressure, comprising a machine frame, a lead screw vertical type mounting which is fixed on the machine frame, a pressurized mechanism for testing medium, a test medium adding mechanism and an electric appliance control mechanism. A counting mechanism which is connected by a water pump, a stop valve, an upper mounting seal plate, a water box, a permuting cylinder, an electromagnetic valve, an electronic balance and a cup is arranged on the machine frame. A piston super charger is arranged on the pressurized mechanism. The piston super charger is arranged in the pressurized mechanism for testing medium. A low pressure oil pump is used for obtaining the high-pressure test water. The utility model has compact structure, low cost, accurate test result, steady test pressure and low energy consumption, and the utility model can quickly measure the leakage quantity of mm per second.