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Production and quality control
To guarantee top quality and reliability of use, all Purmo pipe is subject to constant inspections throughout the production process. The monitoring starts with verification of of the raw material quality from which the pipe is produced. Then the extruded pipe go through a series of tests starting with ultrasound control of wall thickness followed by a 8-point diameter measurement. Moreover, at the production stage, the pipe diameter is continuously laser-controlled. Then once produced the pipe goes through further tests before it is quality approved.
