W&H PE welding machine for coupling in line with a tuber machine model ROTALINER year 1970

W&H PE welding machine for coupling in line with a tuber machine model ROTALINER year 1970. Reconditioned in 2018. Was upgraded a heating system: from analogy to digital, checked all mechanic parts and wires. Сan work with any tuber (the owner used with W&H 2180)