DEFSTAN 02-781/2(2009) : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PROTECTION OF SEAWATER SYSTEM PIPEWORK AND HEAT EXCHANGER TUBES IN HM SURFACE SHIPS AND SUBMARINES
Hardcopy , PDF
22-02-2023
English
01-01-2009
Foreword
1 Scope
2 Warning
3 Normative References
4 Definitions
5 Abbreviations
6 General Advice
7 Water and Passivation Treatment Chemicals
7.1 Water Types and Usage
7.1.1 Seawater Quality
7.1.2 Fresh Water Quality
7.2 Passivation Treatment Chemicals
8 Passivation and Film Maintenance Treatment Options
9 Biocide Treatment (Chlorination)
10 Filtration
11 Corporate Knowledge
11.1 Ferrous Sulphate
11.2 Azole Copper Corrosion Inhibitors
11.3 Sodium Dimethyldithiocarbamate (SDD)
11.4 Seawater
11.5 Fresh and Potable Water
11.6 Mexel 432
11.7 Corrosion Monitoring
Annex A - Corrosion Resistance of Copper Alloys in the
Marine Environment
Annex B - Typical Guidelines for Maximum flow velocities
of Copper-Nickel Alloys in Seawater
Annex C - SRB Enumeration (Serial Extinction Dilution
Technique)
Annex D - Seawater Quality Parameters
Important note : All end users must be registered with an Account prior to user licenses being assigned.Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.