Test Certificates and Quality Controls

If desired, acceptance test certificates stored on optical data carriers can be made available for all valves kept at our company. In addition, all products are subject to strict internal quality control. Besides the prescribed final testing before leaving our partner manufacturers, two per cent of all products and at least one item per order item are subjected to comprehensive testing on arrival at our company. These receiving tests normally include visual inspections, dimension inspections, pressure testing, and, if appropriate, materials tests and harness tests. We have testing which cannot be carried out at our company for technical reasons carried out by testing companies (usually the "TÜV", a German testing and quality control company) at our partner manufacturers.