DVGW W270 PDF

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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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Technical innovations can only be beneficial if they actually work in practice.

With a Rvgw 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. Nitrates and Drinking Water. Testing and Certification Ensuring safety, hygiene and quality standards.

This approach ensures that the individual procedures are tailored to the needs of the gas and water industries and are tightly meshed. 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. Safety and Quality Management.

DVGW W , DIN EN – TZW | Technologiezentrum Wasser

If you continue to use the website, you agree to the use of cookies. 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.

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Information and Know-How Transfer. This list must include the chemical name of the chemical compound, including the CAS-No. The validity of a W test certificate is based on elsewhere specified regulations but ends 5 years after date fvgw issue. As a dvfw manufacturer of valves we are present all over the world.

This is very important for the hygienic- microbiological point of view. For the disclosure of the recipe a confidentiality agreement can be signed. Vocational Training and Qualifications.

The services are tailor-made to meet the requirements of the industry and to ensure efficient meshing of the various processes. Quality assurance for energy and water supply. Service Portfolio Testing and Certification. For disclosure of dvvgw all the substances and additives have to be identified.

Search Contact Heiko Delong Tel.: 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.

DVGW – Innovation and setting standards in the gas and water sectors

Gas and Energy Transition. The certificate automatically becomes invalid if the requirements, even for the composition, change, or if the recipe or production is modified. List of English Standards. Safety and Security Technical Safety Gas. The recipe means the detailed w70 composition of the material from which the product is made.

Materials which are used in the drinking water sector, must have a surface which excludes an unwanted surface fouling by microorganism. Impartiality, quality and reliability are the top priorities in certification work. The test starts dvgd the full disclosure of the recipe.

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Our subsidiaries do not just focus on sales activities but also on service, repair and spare parts supply Imprint Terms Print Sitemap.

ERHARD – DVGW W

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. Efficient Use of Gas. Standardisation List of English Standards. Documents ready for download – click here!

Under certain conditions, a prolongation for further five years is possible. This website uses cookies. DVGW standard W describes a method for the assessment of enhancement of microbial growth on non-metallic materials in contact with drinking water. Thus it is a material test and only for multilayer systems such as composite pipes the test is carried out on the product.

ERHARD is one of the most important manufacturers of water valves in the world with experience dating back over years Water treatment Water transmission Water distribution network House connection Dams and hydropower Irrigation Fire protection network Industrial water applications Sewage and treatment.