I.S. EN 14743:2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
07-11-2007
English
12-07-2005
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
4.1 Softener specification
4.2 Quality of materials and chemicals
4.2.1 Cation exchange resin
4.2.2 Regenerating salt
4.3 Design and manufacturing specifications
4.3.1 Resistance to hydrostatic pressure
4.3.2 Resistance to cyclic pressure
4.3.3 Minimum and maximum operating pressure
4.3.4 Resistance to temperature
4.3.5 Electrical safety
4.3.6 Salt tank
4.3.7 Continuity of supply during regeneration
4.3.8 Protection against backflow and infiltration of brine
4.3.9 Noise level
4.3.10 Air vent
4.3.11 End connections
4.3.12 Drain connections
4.4 Operating specifications
4.4.1 Initiation of regeneration
4.4.2 Brining efficiency
4.4.3 Regeneration water
4.4.4 Quality of treated water after regeneration
4.4.5 Continuous flow rate
4.4.6 Pressure drop
4.4.7 Exchange capacity
4.5 Installation specifications
4.5.1 Connection to mains water supply and existing pipe network
4.5.2 Drain
4.5.3 Electrical connection
5 Labelling
5.1 Identification of equipment
5.2 Safety labelling
6 Technical documentation
7 Test methods
7.1 Test conditions
7.1.1 Ambiant air
7.1.2 Water and salt
7.1.3 Test rig
7.1.4 Analysis
7.2 Cation exchange resin
7.3 Technical documentation
7.4 Manufacturing tests
7.4.1 Resistance to hydrostatic pressure
7.4.2 Resistance to cyclic pressure
7.4.3 Continuity of water supply
7.4.4 Protection against backflow
7.4.5 Air displacement
7.5 Operating characteristics
7.5.1 General
7.5.2 Nominal flow rate
7.5.3 Regenerations
7.5.4 Exchange capacity
7.5.5 Brine efficiency
7.5.6 Regeneration water
7.5.7 Quality of treated water after a regeneration
Annex A (normative) !Installation, operation and maintenance
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.