PSI is pound/in2, which is the British air pressure unit, and the conversion relationship is 1PSI = 6.89kPa, which is the abbreviation of British pound per square inch!

What is psi? Psi (Pneumatic System International) originally meant "International Air Compression System". It is the abbreviation of the name of Australia International Pneumatic System Co., Ltd. and the trademark of the pipeline cleaning and threading equipment developed and manufactured by it.

What's the use? To provide customers with world-class pipeline equipment and engineering services.