What is API 675 hydrostatic test?

For pnematic test you have to use Air as a media but In case of hydrotes you can use water as media.

Hydrostatic is testing piping or a pressure vessel with water rather then air as it is much safer. Picture two balloons one filled with air one filled with water then puncture them and the one with...

for ex; design pressure in pipe 100bar,and what is test pressure in pipe

Air can cause a very unsafe rise in pressure as air can be compressed as opposed to water thus the rational for a T&P valve.

The API 20E System is a miniatuized version of conventional tsts that is used for the identification of members of the family Enterobacteriaceae and other gram-negative bacteria. This system utilizes...