NS EN 14154-2 : 2005 + A2 2011
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER METERS - PART 2: INSTALLATION AND CONDITIONS OF USE
09-01-2014
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Criteria for the selection of water meters
4.1 General considerations
4.2 Information to be provided by the manufacturer
4.3 Meters operating in parallel or in a group
5 Installation requirements
5.1 Compliance with specified metrological characteristics
5.1.1 General
5.1.2 Meter operating position
5.1.3 Hydraulic disturbances
5.1.4 Water quality (suspended particles)
5.1.5 Electromagnetic meters
5.1.6 Meters operating in parallel or in a group
5.2 Protection of the meter
5.2.1 General considerations
5.2.2 Frost
5.2.3 Shock or vibration either transmitted from or
induced by the installation
5.2.4 Reverse water flow
5.2.5 Installation induced stress and unbalance
5.2.6 Intentional fraud
5.3 Safety of personnel and users
5.3.1 General
5.3.2 Pipework anchoring
5.3.3 Manhole installation
5.3.4 Installations Requirements for pipes greater than
DN 40
5.3.5 Protection against hazard related to electrical
installations
5.4 Comfort of personnel
5.4.1 Access to the water meter and fittings
5.4.2 Associated fittings
5.5 Ease of reading
6 First operation of new or repaired water meters
6.1 General consideration
6.2 Meters operating in parallel or in group
Annex A (informative) Examples of Concentric Manifold
Solutions
Bibliography
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