Here you will find important and useful information regarding requirements for production surveillance of certified products and the production surveillance procedure itself. Regular production surveillance serves to validate the conformity of the manufactured products with the type last certified. It can be carried out as control testing or as part of a quality management system which has been approved for product surveillance. For more detailed information, please see the rules of procedure for the respective certification procedure (see Rules of procedure).

Sample surveillance order

Here your will find a sample surveillance order which the manufacturer of certified products can use to commission a specific testing laboratory that has been certified for the surveillance of the products in question. No further demands are made by the DVGW Certification Body.

Sample surveillance order (13 kB)

Any arrangements with the testing laboratory going beyond this are possible but must not violate the above regulations and the regulations and rules of procedure of the DVGW Certification Body. Separate agreements have to be made in this case.