The REPOLEN system of piping and fittings is subjected, throughout all production stages, to strict quality controls, such as:

- Suitability if raw materials.
- The dimensional aspects and characteristics of the manufectured products.
- Absence of remnaer tension.
- Samples are subjeted to high temperatures and pressures.
- Resistance dhout low temperature impact.

These constant controls are followed in the time and in the manners indicated by AENOR according to contract 001/302 under the norm UNE-53-380.

Procedures are being up-dated so that they will also meet the specifications of the European standard system prEN 12202.