The following steps outline the ASME hydrostatic test procedure:

The purpose of the ASME hydrostatic test is to:

The purpose of the hydrostatic test is to verify the structural integrity of a pressure vessel after fabrication. It ensures that the vessel can safely withstand its design pressure without leakage or permanent deformation.

Beyond simply identifying leaks in joints, flanges, or fittings, the test acts as a . By pressurizing the system significantly above its Maximum Allowable Working Pressure (MAWP), it ensures that any latent material defects or welding weaknesses are exposed before the equipment enters service. Key ASME Code Requirements

The minimum hydrostatic test pressure at the top of the vessel shall be: