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Suitable for straight through valves with flange connection types, welding types, etc;
The clamping method for tightening the valve end face with screws;
The rise (retreat) of the screw is equipped with a safety lock for the pressure of the test medium, and the screw can only be raised when the pressure of the test medium is relieved;
Sealing method: End face O-ring pressure differential blind plate, groove O-ring pressure differential blind plate, inner channel seal, etc;
Advantages of Multi-Station Vertical Screw Pressure Test Machine: Convenient exhaust during testing, especially suitable for small-sized valves, suitable for multi station production, and negligible squeezing force on valves;
Disadvantages of Multi-Station Vertical Screw Pressure Test Machine: It is difficult to observe the valve sealing surface and there are many fixtures;
Standard Pressure Model Selection Table P20.