The hydrostatic testing machine for spiral pipe/straight seam submerged arc pipe is used for pressure test of spiral welded pipe or straight seam submerged arc welded pipe. It adopts polyurethane end face seal and internal support large gap seal, is equipped with oil and water balance system, and records, stores, prints and tests results by computer. It has the advantages such as stable pressure keeping and high safety.
The diameter range of hydrostatic testing machine is Φ219-Φ5000mm, and the maximum test pressure is 50MPa.
Feed pipe-Receive pipe-Water filling-Pressure suppression-Pressure keeping-Pressure relief-Drainage-Pipe outlet