Leak Test - API 598

The leakage test  in accordance with API 598, could be conducted either with gas or liquid medium. This standard is used to test of a various type of valves, such as Ball Valve, Butterfly Valve, Gate Valve, Check Valve, Globe Valve and Plug Valve.

The test to provides the baseline for industrial valve leakage of  seat , shell and backseat either the metal or soft seat.. The call to conduct low pressure or high pressure test, is subject to size and class of the tested valves.