The pressure vessel pressure test, pressure test can be selected for hydraulic and pneumatic.
Hydrostatic pressure testing of pressure vessels: the hydraulic test pressure shouldrise slowly to reach the required test pressure for 30 minutes, and then the pressure dropped to 80 percent of the required test pressure and maintain long enough for all the welds and joints to be checked. The experimental results with no leakage and no visible residual deformation is qualified.
A hydraulic experiment is not suitable for pressure vessels, such as due process requirements, not allowed to have minimal residual liquid in the container, or fluid-filled container due to structural reasons, are allowed to use air pressure experiment.Where a pressure experiment container weld the need for 100% nondestructive testing, and experimental places should be increased security measures, and underthe supervision of the security sector.
More Information at Weihai Huanyu Chemical Machinery Pressure Vessel
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