SDT guarantees that its products are free from manufacturing defects for a period of one year from the date of manufacture. Models that comply with the ISO 11901 standard are guaranteed to have a useful life of 1,000,000 operations.

SDT guarantees consistent quality of its products by applying proper management to production processes and quality control systems. This desire to guarantee the quality led us to obtain an ISO 9001 quality certificate in 1999.

At the present moment, our quality control system has been adapted to the new ISO 9001: 2000 standard.

The Pressurised Equipment Directive was approved by the European Parliament in May 1997, as Directive 97/23/EC. This directive forms part of the European Economic Community programme intended to eliminate technical barriers.

Since 29th May 2002, the Pressurised Equipment Directive has been mandatory in all countries in the European Union, replacing all existing national laws concerning the design, manufacture and testing of pressurised equipment.

In consequence, all gas springs manufactured after this date must comply with this Directive (97/23/EC).

SDT complies with the Pressurised Equipment Directive PED 97/23/EC, which establishes new regulatory requirements for the design, manufacture, inspection and certification of pressurised equipment that is to be used in the market of the European Economic Area.

In order to comply with this directive and be authorised by a Notification Body to use the CE marking on our gas springs, the Notification Body must give its approval, which implies verification of the design, final inspection of the equipment, and may include an evaluation of the Quality Control System.

Care for the environment is one of the most important challenges with which the work-team of SDT is presently involved.

This has prompted us to obtain, in 2002, the ISO 14001 certificate of environmental management, which regulates all matters related to the environment.