... pipe. Reasonable design, reliable and simple operation, accord with state standard GB11836-89.b) The machine can be produced different sizes of tubular ... :30mm for dia 200mm,300mm, 40mm for dia 400mm, 50mm for dia 500mm, 60mm for dia 600mm , 70mm for dia 700 , 80mm for dia ... 800mm, 100mm for dia 1000mmSpeed ...