UNE-EN 14812:2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Water conditioning equipment inside buildings-Chemical dosing systems-Pre-set dosing systems- Requirements for performance, safety and testing
Hardcopy , PDF
04-22-2009
Spanish, Castilian
07-12-2006
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Design requirements
4.1 Materials of construction
4.2 Connections
4.3 Venting
4.4 Radio interference and electrical safety
4.5 Dosing agent containers
4.6 Accessibility
4.7 Nominal size
5 Performance requirements
5.1 Dosing and dosing agents
5.1.1 Dosing agents
5.1.2 Dosing
5.2 Working ranges
5.3 Protection against backflow of proprietary chemical
5.4 Working temperature range
5.5 Pressure conditions
5.5.1 Nominal pressure and working pressure range
5.5.2 Effects of pressure variations
5.5.3 Pressure drop
5.5.4 Water hammer
6 Testing
6.1 General
6.2 Dosing and dosing agents
6.2.1 Test rig
6.2.2 Analysis
6.2.3 Quality of test water
6.2.4 Sampling
6.2.5 Evaluation of results
6.2.6 Dosing agents
6.2.7 Dosing
6.3 Working ranges
6.4 Protection against backflow of dosing agent
6.4.1 Procedure
6.4.2 Evaluation of results
6.5 Pressure conditions
6.5.1 Nominal pressure and working pressure range
6.5.2 Static pressure
6.5.3 Dynamic pressure
6.5.4 Working pressure range
6.5.5 Pressure drop
7 Labelling
7.1 Nameplate on dosing apparatus
7.2 Information to be given on dosing agent container
8 Manufacturer's product information
Annex A (informative) Examples of connections
Bibliography
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.