NEN EN 14419 : 2009
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
DISTRICT HEATING PIPES - PREINSULATED BONDED PIPE SYSTEMS FOR DIRECTLY BURIED HOT WATER NETWORKS - SURVEILLANCE SYSTEMS
01-10-2019
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic functional requirements
4.1 Dependency of Manufacturer of pipe elements
4.2 Performance
5 Manufacture of measuring elements
5.1 General requirements
5.2 Installation, assembly and operation
5.3 Characteristics
5.4 Reliability
5.5 Maintenance
5.6 Longitudinal tightness
5.7 Marking of measuring elements
5.8 Technical documentation
6 Manufacture of pipe elements with measuring elements
6.1 General requirements
6.2 Compatibility test
6.3 Installation of measuring elements
6.4 After pipe element manufacturing
6.5 Measuring wires at free ends
6.6 Tests
6.7 QM-programme
6.8 Technical documentation
7 Assembly of measuring elements in field
7.1 Check upon receipt of pipe elements
7.2 Extension of an existing measuring section
7.3 Wiring design diagram
7.4 Assembly work in joints
7.5 Assembly check
7.6 Test after finishing a measuring section
7.7 Test and measurement during system operation
7.8 QM-programme
7.9 Technical documentation
Annex A (informative) Principal function
Annex B (informative) Principal parts of a measuring section
Annex C (normative) Technical documentation
Annex D (normative) Loop test by pipe Manufacturer
D.1 General
D.2 Conductor continuity test with an optical or
acoustic signal
D.3 Measuring ohmic resistance
Annex E (normative) High voltage test by pipe Manufacturer
Annex F (informative) QM-programme
F.1 General
F.2 QM-programme for Manufacturer of pipe elements
with measuring wires
F.3 QM-programme for Contractor assembling the
measuring elements in field
Annex G (normative) Loop test in field
Annex H (normative) Measuring of the electrical insulation
resistance in field
Bibliography
Defines basic functional requirements for surveillance systems for district heating pipe systems, specific requirements for measuring elements and their installation within preinsulated bonded pipes, valves and fittings, and the field assembly of these measuring elements in pipe joints.
| DevelopmentNote |
Draft issued in February 2018. (03/2018)
|
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| Standards | Relationship |
| ONORM EN 14419 : 2009 | Identical |
| BS EN 14419:2009 | Identical |
| DIN EN 14419:2009-07 | Identical |
| NS EN 14419 : 2009 | Identical |
| UNI EN 14419 : 2009 | Identical |
| UNE-EN 14419:2009 | Identical |
| DIN EN 14419:2004-03 | Identical |
| EN 14419:2009 | Identical |
| SN EN 14419 : 2009 | Identical |
| NF EN 14419 : 2009 | Identical |
| I.S. EN 14419:2009 | Identical |
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