... : single or double layersType of the bellows: annular bellowsApplications: for auto exhaust bellows, flexible metal hoses, and expansion jointsControl: PLC controlLength: ≤7500mmExpanding medium ... .90X21.0X2The parts will go with the machines: The molds for DN50,65,80,100,125, 150,200,250,300mm5.DN200 ... head: DN200,250, 300,350,400,450,500,550,600mm Flexible Metal Tube Making Machine