... machines with interchangeable round & square formers. The rolling pipe bending machine is for bending metal thin-wall pipes into arc shapes. ... , 19, 22, 25, 30, 38, 40, 50mm3) Wall thickness of pipe: 0.5mm - 2mm4) Motor: 220/380V, 50-60hz, 1.5kw5 ... size: 74x63x103cmSpecial dies could be made at customers' request. Rolling Pipe Bending Machine HHW-76B