DIN 1988-4:1988-12
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DRINKING WATER SUPPLY SYSTEMS - DRINKING WATER PROTECTION AND DRINKING WATER QUALITY CONTROL (DVGW CODE OF PRACTICE)
Hardcopy , PDF
01-08-2011
English
01-01-1988
1 Scope and field of application
2 General
3 Causes of water contamination
3.1 Backflow
3.2 Cross-connection
3.3 Other influencing factors
3.4 Materials
3.5 Stagnation
3.6 Damage to the system due to lack, or lack of
proper, maintenance
3.7 Improper operation
4 Backflow prevention
4.1 Single-unit and multiple-unit backflow
prevention devices
4.2 Types of safety devices to be used
4.3 Typical applications of safety devices
4.4 Backflow protection of water heaters
4.5 Criteria for the selection of safety devices
5 Protection of drinking water in water heaters
5.1 Types of water heaters
5.2 Use of chlorinated fluorocarbons as heating
medium
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