The lines are designed for extrusion of small diameter tubing, pipes and hoses with a diameter of up to 50mm and with any desired wall thicknss. 
It can also be used for other profile types with similar size range.
The lines comprised of the extruder and die, downstream calibrating vacuum tank with water spray for cooling and a caterpillar type haul off. 
The calibrating and sizing unit inside the tank together with a vacuum ensures high precision productions of the pipe or tube.