February 27, 2021 0 By admin

In Germany “DVGW – German Technical and Scientific Association for Gas and Water” is the competence network for all questions related to gas and water. DVGW CERT GmbH is the largest gas and water industry certification body in Europe, covering all the certification procedures required in the gas and water. DVGW Deutsche Vereinigung des Gas- und Wasserfaches e.V.. Technisch- wissenschaftlicher Verein. Josef-Wirmer-Str D Bonn. Telefon: +49 (0)

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The validity of a Dvfw test certificate is based on elsewhere specified regulations but ends 5 years after date of issue. Safety and Security Technical Safety Gas. Under certain conditions, a prolongation for further five years is possible. Technical innovations can only be beneficial if they actually work in practice.

Certificate stating our DVGW-Recognition

Imprint Terms Print Sitemap. DVGW standard W describes a method for the assessment of enhancement of microbial growth on non-metallic materials in contact with drinking water. The services are tailor-made to meet the requirements of the industry and to ensure efficient meshing of the various processes. If you continue to use the website, you agree to the use of cookies. This list must include the chemical name of the chemical compound, including the CAS-No.

Nitrates and Drinking Water. Service Portfolio Testing and Certification.

The recipe must, dependent on the type of material, be in accordance with the actual positive list of elastomer guideline, KTW guideline or coating guideline. This approach ensures that the individual procedures are tailored to the needs of the dvtw and water industries and are tightly meshed.


As a major manufacturer of valves we are present all over the world. The main objective of all certification work is to ensure d270 there are no safety, hygiene or environmental objections to the products and companies certified.

Search Contact Heiko Delong Tel.: Together with test laboratories, the company certifies and monitors gas and water industry products, quality and environmental management systems to DIN EN ISO ff. This is very important for the hygienic- microbiological point of view. Standardisation List of English Standards. Vocational Training and Qualifications. Gas and Energy Transition Integrated Energy.

Gas and Energy Transition.

Safety and Quality Management. The certificate automatically becomes invalid if the requirements, even for the composition, change, or if the recipe or production is modified.

The test starts with the full disclosure of the recipe. With a DVGW CERT certificate, product manufacturers, specialist companies, utilities and experts can demonstrate to their customers and market partners that they comply with the state of the art in their field of activities.

DVGW W – Drinking water approval for materials Materials which are used in the drinking water sector, must have a surface which w70 an unwanted surface fouling by microorganism. Information and Know-How Transfer.

This website uses cookies. ERHARD is one of the most important manufacturers of water valves in the world w207 experience dating back over years Impartiality, quality and reliability are the top priorities in certification work. Thus it is a material test and only for multilayer systems such as composite pipes the test is carried out on the product. Documents ready for download – click here!


DVGW: Testing and Certification

For the disclosure of the recipe a confidentiality agreement can be signed. Our subsidiaries do not just focus on sales activities but also on service, repair and spare parts supply The recipe means the detailed chemical composition of the material from w2700 the product is made.

Quality assurance for energy and water supply.

It is necessary that in addition to various technical and mechanical requirement also dvg guaranteed the hygienic.

Water treatment Water transmission Water distribution network House connection Dams and hydropower Irrigation Fire protection network Industrial water applications Sewage and treatment.

Materials which are used in the drinking water sector, must have a surface which excludes an unwanted surface fouling by microorganism. Testing and Certification Ensuring safety, hygiene and quality standards.

For disclosure of recipe all the substances and additives have to be identified. Efficient Use of Gas. In addition it cooperates with more than 40 DVGW-recognized testing laboratories in the field of gas technology, electrical engineering, mechanical engineering, material testing, plastics, drinking water and hygiene.

List of English Standards.