Rothengaran's semi-hydraulic welding machine Model NH50_R160 can easily become full hydraulic.Easy portability and very high efficiency in welding are other advantages of the device. All accessories belonging to the steering valve, oil pump and pressure gauge are installed on the device. Use cases: It is used in oil and gas, water and sewer pipelines for special polyethylene pipes PE100, PE80, PE63 with Buttweld.