The Overlap Welded composite pipe production line is used to make overlap welding plastic-aluminum-plastic (PAP) multilayer pipes. The external and internal layers of the pipes are plastics, e. G. PE, and middle layer is overlap-welded aluminum. The pipe made by the line is in compliance with ASTM F1282. 1, The production speed can reac...

This PEX-AL-PEX Aluminum composite pipe production line adopts ultrasonic lapping welding or argon butt welding technology and high precision aluminum tube forming system. It can guarantee the welding reliable and welding seam smooth. The high efficiency single screw extruder and optimized multi-layer co-extrusion coating die ensure the bonding of...

These Overlap Welding PEX-AL-PEX composite pipe production line adopts high precision passive aluminum on line forming machine with welding effect testing system,guarantee the high roundness and precise dimensions. The outer plastic-glue and inner plastic-glue adapts two step co-extrusion technology, improves the plastic-aluminum adhesion quality,...

Two kind welding process 1. Ultrasonic lap seam welding, co-extrusion forming. 2. Butt-joint argon-arc welding, welding seam close-gained and smooth. Controlling center adopting computer control system of Austria B&R company programmable computer. Long-distance closed loop control automatically the process of the speed of extruding and h...