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)

Author: Vujar Vushakar
Country: Mali
Language: English (Spanish)
Genre: Personal Growth
Published (Last): 16 December 2010
Pages: 182
PDF File Size: 16.37 Mb
ePub File Size: 5.37 Mb
ISBN: 532-7-52634-751-9
Downloads: 22817
Price: Free* [*Free Regsitration Required]
Uploader: Shakazuru

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

Testing and Certification

Vocational Training and Qualifications. The certificate automatically becomes invalid if the requirements, even for the composition, change, or if the recipe or production is modified.

Imprint Terms Print Sitemap. The services are tailor-made to meet the requirements of the industry and to ensure efficient meshing of the various processes. The main objective of all certification work is to ensure that there are no safety, hygiene or environmental objections to the products and companies certified.

For the disclosure of the recipe a confidentiality agreement can be signed. This website dgw cookies.

Marking of water meter body housings acc. to DVGW Worksheet W

ERHARD is one of the most important manufacturers of water valves q270 the world with experience dating back over years The recipe means the detailed chemical composition of the material from which the product is made.


DVGW standard W describes a method for the assessment of enhancement of microbial growth on non-metallic materials in contact with drinking water.

The recipe dvvw, dependent on the type of material, be in accordance with the actual positive list of elastomer guideline, KTW guideline or coating guideline.

Safety and Quality Management. DVGW W – Drinking water approval for materials Materials which are used in the drinking water sector, must have a surface which excludes an unwanted surface fouling by microorganism.


Our subsidiaries do not just focus on sales activities but also on service, repair and spare parts supply For disclosure of recipe all the substances and additives have to be identified. Safety and Dvggw Technical Safety Gas.

This list must include the chemical name of the chemical compound, including the CAS-No. Documents ready for download – click here! Information and Know-How Transfer.

Marking of water meter body housings acc. to DVGW Worksheet W421

Under certain conditions, a prolongation for further five years is possible. This approach ensures that the individual procedures are tailored to the needs of the gas and water industries and are tightly meshed. As a major manufacturer of valves we are present all over the world. Service Portfolio Testing and Certification.

  IEC 62446 PDF

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

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.

Materials which are used in the drinking water sector, must have a surface which excludes an unwanted surface fouling by microorganism. Standardisation List of English Standards. If you continue to use the website, you agree to the use of cookies.

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. The test starts with the full disclosure w27 the recipe.

Technical innovations can only be beneficial if they actually work in practice. Search Contact Heiko Delong Tel.: Gas and Energy Transition Integrated Energy. Impartiality, quality and reliability are the top priorities in certification work.

The validity of a W test certificate is based on elsewhere specified regulations but ends 5 years after date of issue. Gas and Energy Transition. List of English Standards.