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DIN 50930-6

Corrosion of metals - Corrosion of metallic materials under corrosion load by water inside of pipes, tanks and apparatus - Part 6: Evaluation process and requirements regarding the hygienic suitability in contact with drinking water

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Organization: DIN
Publication Date: 1 October 2013
Status: active
Page Count: 26
ICS Code (Other pipeline components): 23.040.99
ICS Code (Corrosion of metals): 77.060
scope:

This document defines hygienic requirements for metallic materials. These requirements are intended to ensure that the binding specifications of the Drinking Water Ordinance can be complied with when these materials are used for products in contact with drinking water (e.g. pipes, pipe connections, fittings, water meters, appliances).

The evaluation of the results of testing a material in accordance with DIN EN 15664-1 and DIN EN 15664-2 described in this document enables the hygienic suitability of a metallic material to be determined, either with a local drinking water or with all drinking waters.

Certain pipe materials cannot be used in all drinking waters or under all operating conditions. The additional requirements for the restricted use of pipe materials with drinking water of a certain quality are also part of this standard.

The assessment of materials according to this standard is limited to installations for cold drinking water. However, the materials receiving positive evaluations can also be used with drinking water which has been heated, as long as the limitations outlined in Clause 6 are taken into consideration.

Protective measures for existing drinking water installations whose operating conditions or age could result in the parameters being exceeded are described in Clause 7.

If the legal requirements for drinking water quality cannot be met in existing installation systems as a result of unfavourable water compositions and operating conditions or improper choice of materials, the impermissible changes in the drinking water quality can be counteracted by protective measures. The effectiveness of these measures can be evaluated using the specifications in this standard.

Corrosion processes which lead to damage to the component are not covered by this standard.

Document History

DIN 50930-6
October 1, 2013
Corrosion of metals - Corrosion of metallic materials under corrosion load by water inside of pipes, tanks and apparatus - Part 6: Evaluation process and requirements regarding the hygienic suitability in contact with drinking water
This document defines hygienic requirements for metallic materials. These requirements are intended to ensure that the binding specifications of the Drinking Water Ordinance can be complied with when...
August 1, 2001
Corrosion behaviour of metalic materials in contact with water - Part 6: Effects on drinking water quality
A description is not available for this item.

References

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