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1、BS EN 14419:2009 ICS 23.040.01 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Surveillance systems This British Standard was published under the authority of the St
2、andards Policy and Strategy Committee on 30 April 2009. BSI 2009 ISBN 978 0 580 63789 6 Amendments/corrigenda issued since publication DateComments BS EN 14419:2009 National foreword This British Standard is the UK implementation of EN 14419:2009. It supersedes BS EN 14419:2003 which is withdrawn. T
3、he UK participation in its preparation was entrusted to Technical Committee RHE/9, Insulated underground pipelines. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contra
4、ct. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 14419:2009 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14419 March 2009 ICS 23.040.01Supersedes EN 14419:2003 Eng
5、lish Version District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Surveillance systems Tuyaux de chauffage urbain - Systmes bloqus de tuyaux prisols pour les rseaux deau chaude enterrs directement - Systmes de surveillance Fernwrmerohre - Werkmig gedmmte
6、 Verbundmantelrohrsysteme fr erdverlegte Fernwrmenetze - berwachungssysteme This European Standard was approved by CEN on 3 February 2009. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nation
7、al standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in an
8、y other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Es
9、tonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EU
10、ROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14419:2009: E BS EN 14419:2009 EN 14419:2009 (E) 2 Contents page Foreword 4? Introduction . 5? 1?
11、Scope 6? 2?Normative references 6? 3?Terms and definitions . 6? 4?Basic functional requirements . 8? 4.1?Dependency of Manufacturer of pipe elements 8? 4.2?Performance . 8? 5?Manufacture of measuring elements . 9? 5.1?General requirements 9? 5.2?Installation, assembly and operation 9? 5.3?Characteri
12、stics . 9? 5.4?Reliability 9? 5.5?Maintenance . 9? 5.6?Longitudinal tightness 9? 5.7?Marking of measuring elements . 9? 5.8?Technical documentation . 9? 5.8.1?General 9? 5.8.2?For installation of measuring wires within pipe elements 9? 5.8.3?For assembly of measuring elements in the field 10? 5.8.4?
13、For operation of a surveillance system . 10? 6?Manufacture of pipe elements with measuring elements 10? 6.1?General requirements 10? 6.2?Compatibility test . 10? 6.2.1?Before series production 10? 6.2.2?Test procedure . 10? 6.2.3?Replication of test 10? 6.3?Installation of measuring elements . 10? 6
14、.3.1?Restrictions regarding type of measuring element . 10? 6.3.2?No electrical contact 10? 6.3.3?Connections . 10? 6.3.4?Geometry of installation 11? 6.3.5?Spacers . 11? 6.3.6?Mechanical tightening . 11? 6.4?After pipe element manufacturing . 11? 6.5?Measuring wires at free ends . 11? 6.5.1?Wire le
15、ngth . 11? 6.5.2?Protection of measuring wires . 11? 6.6?Tests 11? 6.6.1?General 11? 6.6.2?Continuity of measuring wire . 11? 6.6.3?No electrical contact 11? 6.7?Quality control programme . 12? 6.8?Technical documentation . 12? 6.8.1?General 12? 6.8.2?For assembly of measuring elements in the field
16、12? 6.8.3?For operation of a surveillance system . 12? 7?Assembly of measuring elements in field . 12? 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 14419:2009 EN 14419:2009 (E) 3 7.1?Check upon receipt of pipe elements 12? 7.2?Extension of an existing measuring section 12? 7.2.1?Actual state 12? 7.2.2?C
17、hange of system 12? 7.3?Wiring design diagram 12? 7.4?Assembly work in joints . 13? 7.5?Assembly check 13? 7.6?Test after finishing a measuring section 13? 7.6.1?General . 13? 7.6.2?Continuity of measuring elements 13? 7.6.3?No electrical contact and moisture 13? 7.6.4?Functional test . 13? 7.7?Test
18、 and measurement during system operation 13? 7.8?Quality control programme 14? 7.9?Technical documentation . 14? Annex A (informative) Principal function 15? Annex B (informative) Principal parts of a measuring section 16? Annex C (normative) Technical documentation 17? Annex D (normative) Loop test
19、 by pipe Manufacturer . 21? D.1?General . 21? D.2?Conductor continuity test with an optical or acoustic signal. 21? D.3?Measuring ohmic resistance 22? Annex E (normative) High voltage test by pipe Manufacturer . 23? Annex F (informative) Quality control programme 24? F.1?General . 24? F.2?Quality co
20、ntrol programme for Manufacturer of pipe elements with measuring wires . 24? F.3?Quality control programme for Contractor assembling the measuring elements in field . 25? Annex G (normative) Loop test in field . 27? Annex H (normative) Measuring of the electrical insulation resistance in field 28? B
21、ibliography 29? BS EN 14419:2009 EN 14419:2009 (E) 4 Foreword This document (EN 14419:2009) has been prepared by Technical Committee CEN/TC 107 “Prefabricated District Heating Pipe Systems”, the secretariat of which is held by DS. This European Standard shall be given the status of a national standa
22、rd, either by publication of an identical text or by endorsement, at the latest by September 2009, and conflicting national standards shall be withdrawn at the latest by September 2009. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent righ
23、ts. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 14419:2003. This second edition cancels and replaces the first edition (EN 14419:2003), which has been technically revised. Annexes A, B and F are informative. Annexes C, D
24、, E, G and H are normative. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungar
25、y, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 14419:2009 EN 14419:2009 (E) 5 Introduction The first edition of EN 14419
26、was approved in 2003. The main areas of the current revision are: testing procedures have been changed in order to include pipe elements with diffusion barriers according to revised version of EN 253:2009; testing procedures have been changed in order to include pipe elements for twin pipes accordin
27、g to EN 15698-1; pipe elements produced according to standard for preinsulated flexible pipe systems with bonded metal service pipes EN 15632-4 and standard for twin pipes EN 15698-1 have been added to the definitions of pipe elements suitable for instalment of measuring wires for surveillance syste
28、ms; the text regarding testing (cf. 6.4 and 7.1) has been put in agreement with the text in 6.6 (all elements shall be tested); the term “moisture” has been deleted as a specific term and replaced by a note to the term “detection of moisture”; the term “QM-Programme“ has been changed to “Quality con
29、trol programme“ in order to standardize the wording to other standards under TC 107. This standard is a supplement to: EN 253, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Pipe assembly of steel service pipe, polyurethane thermal insulation and outer
30、 casing of polyethylene EN 448, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene EN 488, District heating pipes Preinsulated bonded pipe systems f
31、or directly buried hot water networks Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene EN 489, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Joint assembly for steel service pipes, polyuret
32、hane thermal insulation and outer casing of polyethylene EN 13941, Design and installation of preinsulated bonded pipe systems for district heating EN 15632-1, District heating pipes Pre-insulated flexible pipe systems Part 1: Classification, general requirements and test methods EN 15632-4, Distric
33、t heating pipes Pre-insulated flexible pipe systems Part 4 : Bonded system with metal service pipes; requirements and test methods EN 15698-1, District heating pipes Preinsulated bonded twin pipe systems for directly buried hot water networks Part 1: Twin pipe assembly of steel service pipe, polyure
34、thane thermal insulation and outer casing of polyethylene These are all standards for preinsulated bonded pipe systems for directly buried hot water networks. BS EN 14419:2009 EN 14419:2009 (E) 6 1 Scope This European Standard specifies basic functional requirements for surveillance systems for dist
35、rict 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. This standard specifies requirements for the manufacture of measuring elements, for
36、 the manufacture of preinsulated bonded pipe elements with measuring elements and for the assembly of the measuring elements in the field. All requirements and recommendations described in this standard are based on the experience gained with existing surveillance systems and their principal functio
37、n, cf. Annex A. The specific requirements given are only valid for electrical wire based surveillance systems forming an integral part of the pipes, valves, fittings and joints. 2 Normative references The following referenced documents are indispensable for the application of this document. For date
38、d references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 253, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Pipe assembly of steel service pipe, polyuret
39、hane thermal insulation and outer casing of polyethylene EN 448, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene EN 488, District heating pipes P
40、reinsulated bonded pipe systems for directly buried hot water networks Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene EN 489, District heating pipes Preinsulated bonded pipe systems for directly buried hot water networks Joint assembly
41、for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene EN 15632-4, District heating pipes Pre-insulated flexible pipe systems Part 4: Bonded system with metal service pipes; requirements and test methods EN 15698-1, District heating pipes Preinsulated bonded twin p
42、ipe systems for directly buried hot water networks Part 1: Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene EN 61557-2, Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Equipment for testing, measuring o
43、r monitoring of protective measures Part 2: Insulation resistance (IEC 61557-2:2007) 3 Terms and definitions For the purposes of this European Standard, the following terms and definitions apply. 3.1 pipe element preinsulated pipes, valves and fittings manufactured according to EN 253, EN 448, EN 48
44、8, EN 15632-4 and EN 15698-1 标准分享网 w w w .b z f x w .c o m 免费下载 BS EN 14419:2009 EN 14419:2009 (E) 7 3.2 pipe system complete pipe installation, including joints, branches, accessories, etc. and adjacent pipes based on pipe element (cf. 3.1) and joints manufactured and assembled in accordance with E
45、N 489 3.3 surveillance system system that consists of measuring sections and measuring instruments for surveillance of pipe systems. NOTE The principal parts of a measuring section of a surveillance system are given in Annex B. 3.4 system characteristics electrical parameters used by the individual
46、surveillance system for surveillance purpose or for test of functionality 3.5 measuring instrument electrical instrument used for indicating of deviations and disorders, which are sensed by the measuring elements in a measuring section 3.6 measuring section pipe section with continuously connected m
47、easuring elements terminating at the connection points NOTE Main pipes and branches can be part of the same measuring section. 3.7 measuring element all elements built-in to the pipe systems that enable the detection of moisture NOTE This can be measuring wires or various measuring sensors. 3.8 meas
48、uring wire electrical wire used for detection of moisture and/or for transport of electrical signals relevant for the surveillance system NOTE 1 Depending on the system several measuring wires for different purposes can be used. NOTE 2 The measuring wires can be bare or insulated, straight or twiste
49、d two and two. 3.9 measuring sensor component that changes system characteristics when exposed to moisture NOTE A sensor is a component only operating at a specific point. 3.10 detection of moisture detection of moisture-related parameters with measuring instruments NOTE 1 Only moisture in the insulation due to defects or bad workmanship is relevant NOTE 2 The parameters could be electrical resistance and/or impedance. 3.11 deviation result of comparing the values for