txhmachine
https://www.txhmachine.com/products/hydrostatic-pressure-testing-machine-for-small-diameter-pipe.html
This machine is mainly used for pressure testing of small diameter spiral welded pipes. It can adopt two sealing forms: polyurethane end face sealing or radial large gap sealing. It is equipped with an oil water balance system, and the computer collects, records, stores, and prints test results. It has the advantages of stable pressure maintaining and high safety. The hydrostatic pressure testing machine for pipes adopts mature and reliable advanced processes and technologies currently available internationally, with the main goal of detecting the quality of finished products and eliminating stress. The physical quality of the product, production costs, various consumption indicators, and labor productivity meet the requirements of product technology and efficiency.