This lines are designed to carry out the following process: line types: ci a0: insulation line for micro-coax cables with fep and pe • ci a1: insulation line for mini-coax cables with srl frequency up to 1 ghz • ci a2: insulation line for mini-coax cables with srl frequency up to 3 ghz • main advantages: high productivity line • top cable quality (surface, expansion level and concentricity) • fast line set-up • low scrap material during start-up • striping capability • extruder screw designed to reduce and keep melting pressure constant at the gas injection point • stable automated extrusion • self-centering extrusion cross-head with fine-tuning device and by-passes • all line components are modularly engineered with the same samp-system criteria • line centralized control with su p supervisor.