MA508 fully automatic 10~80MPa big welded pipes hydro testing machine is designed and manufactured for the steel pipe according to API SPECT 5CT&5L, 5B standard, design and manufacture base on the principles of simplicity, strength, stability, economy and convenience. This welded pipe hydrostatic testing machine is four-beam and middle-feeding type, which is suitable for the hydrostatic pressure testing of steel pipes with an outer diameter of Φ245-508 and a pipe length of 6~15m.