DIN EN 14868 - Harvey Water Softenersassets1.harveywatersofteners.co.uk/downloads/german_bs...N o r...

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Normen- Download-Beuth- DEUTSCHE NORM DIN EN 14868 November 2005 { ICS 77.060 Protection of metallic materials against corrosion Guidance on the assessment of corrosion likelihood in closed water circulation systems English version of DIN EN 14868 Korrosionsschutz metallischer Werkstoffe – Leitfaden für die Ermittlung der Korrosionswahrscheinlichkeit in geschlossenen Wasser Zirkulationssystemen National foreword This standard has been prepared by CEN/TC 262 Metallic and other inorganic coatings (Secretariat: United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Materialprüfung (Mate rials Testing Standards Committee), Technical Committee NMP 171 Korrosion und Korrosionsschutz. Document comprises 22 pages. © No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen). English price group 13 www.din.de www.beuth.de 03.06 9672925 Below are extracts from this document. The full version follows or is in the appendix.

Transcript of DIN EN 14868 - Harvey Water Softenersassets1.harveywatersofteners.co.uk/downloads/german_bs...N o r...

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DEUTSCHE NORM

DIN EN 14868

November 2005

{ ICS 77.060

Protection of metallic materials against corrosion Guidance on the assessment of corrosion likelihood in closed water circulation systems

English version of DIN EN 14868

Korrosionsschutz metallischer Werkstoffe – Leitfaden für die Ermittlung der Korrosionswahrscheinlichkeit in geschlossenen Wasser Zirkulationssystemen

National foreword This standard has been prepared by CEN/TC 262 Metallic and other inorganic coatings (Secretariat: United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Materialprüfung (Mate rials Testing Standards Committee), Technical Committee NMP 171 Korrosion und Korrosionsschutz.

Document comprises 22 pages.

© No part of this standard may be reproduced without the prior permission of DIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, has the exclusive right of sale for German Standards (DIN-Normen).

English price group 13

www.din.de www.beuth.de

03.06

9672925

Below are extracts from this document.The full version follows or is in the appendix.

DEUTSCHE NORM

{

© No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut für Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).

November 2005

DIN EN 14868

English price group 13 www.din.de

www.beuth.de 03.06 9672925

Document comprises 22 pages.

Protection of metallic materials against corrosionGuidance on the assessment of corrosion likelihood in closed water circulation systems

English version of DIN EN 14868

Korrosionsschutz metallischer Werkstoffe – Leitfaden für die Ermittlung der Korrosionswahrscheinlichkeit in geschlossenen Wasser‑Zirkulationssystemen

National forewordThis standard has been prepared by CEN/TC 262 ‘Metallic and other inorganic coatings’ (Secretariat: United Kingdom).The responsible German body involved in its preparation was the Normenausschuss Materialprüfung (Mate‑rials Testing Standards Committee), Technical Committee NMP 171 Korrosion und Korrosionsschutz.

ICS 77.060

B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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English version

ICS 77.060

Management Centre: rue de Stassart, 36  B-1050 Brussels

European Committee for StandardizationComité Européen de NormalisationEuropäisches Komitee für Normung

© 2005. CEN – All rights of exploitation in any form and by any means reserved worldwide for CEN national members.

Ref. No. EN 14868:2005 E

ÈÉË

EN 14868

August 2005

Protection of metallic materials against corrosionGuidance on the assessment of corrosion likelihood in closed water

circulation systems

Protection des matériaux métalliques contre la corrosion – Recommanda‑tions pour l’évaluation du risque de corrosion dans les systèmes fermés à recirculation d’eau

Korrosionsschutz metallischer Werk‑stoffe – Leitfaden für die Ermittlung der Korrosionswahrscheinlichkeit in geschlossenen Wasser‑Zirkulations‑systemen

This European Standard was approved by CEN on 2005‑07‑08.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.Up‑to‑date lists and bibliographical references concerning such national stand‑ards may be obtained on application to the Management Centre or to any CEN member.The European Standards exist in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.

B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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harveybowden
Sticky Note
The critical requirement for corrosion prevention.

Page 6 EN 14868:2005

B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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harveybowden
Sticky Note
This would appear to indicate that chemical inhibitors are not recommended!
harveybowden
Sticky Note
When alkaline products (inhibitors) are added that are alkaline (to prevent corrosion in hard water) is there a problem.

Page 9 EN 14868:2005

B55EB1B3C7662F79D1B59483A53B9F2F82C98BEEB7939C87609044BFC9F351BC69FD4F0F87F04E9184EC42F07E0D80B7E40E9FB146A72C00E47076FF16C942CA7A61E9E2147F4FE94A2F01130FBD236AEDB8792AB5A4AF97E17F6DDD67

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harveybowden
Sticky Note
A reminder that prevention of oxygen ingress is the primary goal to prevent corrosion.

Page 14 EN 14868:2005

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Sticky Note
A reminder that chemical inhibitors can cause corrosion. That they are only needed when there is oxygen ingress. That they need to be designed to cope with the different water compositions and different metals. One size fits all?

Page 15 EN 14868:2005

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harveybowden
Sticky Note
A final reminder that it is the ingress of oxygen that causes the problem. With aluminium or steel.

Page 19 EN 14868:2005

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