I.S. 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Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
04-30-2020
English
01-01-2009
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
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
5.8.1 General
5.8.2 For installation of measuring wires within
pipe elements
5.8.3 For assembly of measuring elements in the
field
5.8.4 For operation of a surveillance system
6 Manufacture of pipe elements with measuring elements
6.1 General requirements
6.2 Compatibility test
6.2.1 Before series production
6.2.2 Test procedure
6.2.3 Replication of test
6.3 Installation of measuring elements
6.3.1 Restrictions regarding type of measuring
element
6.3.2 No electrical contact
6.3.3 Connections
6.3.4 Geometry of installation
6.3.5 Spacers
6.3.6 Mechanical tightening
6.4 After pipe element manufacturing
6.5 Measuring wires at free ends
6.5.1 Wire length
6.5.2 Protection of measuring wires
6.6 Tests
6.6.1 General
6.6.2 Continuity of measuring wire
6.6.3 No electrical contact
7 Assembly of measuring elements in field
7.1 Check upon receipt of pipe elements
7.2 Extension of an existing measuring section
7.2.1 Actual state
7.2.2 Change of system
7.3 Wiring design diagram
7.4 Assembly work in joints
7.5 Assembly check
7.6 Test after finishing a measuring section
7.6.1 General
7.6.2 Continuity of measuring elements
7.6.3 No electrical contact and moisture
7.6.4 Functional test
7.7 Test and measurement during system operation
7.8 Quality control 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) - Quality control programme
F.1 General
F.2 Quality control programme for Manufacturer of pipe
elements with measuring wires
F.3 Quality control 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
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