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    BS EN 14706-2012 Thermal insulating products for building equipment and industrial installations Determination of maximum service temperature《建筑设备和工业装置用热绝缘产品 最高工作温度的测定》.pdf

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    BS EN 14706-2012 Thermal insulating products for building equipment and industrial installations Determination of maximum service temperature《建筑设备和工业装置用热绝缘产品 最高工作温度的测定》.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 14706:2012Thermal insulating productsfor building equipment andindustrial installations Determination of maximumservice temperatureCopyright European Committee for Standard

    2、ization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 14706:2012. Itsupersedes BS EN 14706:2005 which is withdrawn.The UK

    3、participation in its preparation was entrusted to TechnicalCommittee B/540, Energy performance of materials components andbuildings.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovision

    4、s of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013 ISBN 978 0 580 77439 3 ICS 91.100.60 Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published u

    5、nder the authority of theStandards Policy and Strategy Committee on 28 February 2013. Amendments issued since publicationDate T e x t a f f e c t e dCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without li

    6、cense from IHS-,-,-BS EN 14706:2012EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14706 October 2012 ICS 91.100.60 Supersedes EN 14706:2005English Version Thermal insulating products for building equipment and industrial installations - Determination of maximum service temperature Produits iso

    7、lants thermiques pour lquipement du btiment et les installations industrielles - Dtermination de la temprature maximale de service Wrmedmmstoffe fr die Haustechnik und fr betriebstechnische Anlagen - Bestimmung der oberen Anwendungsgrenztemperatur This European Standard was approved by CEN on 24 Aug

    8、ust 2012. 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 national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obt

    9、ained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the C

    10、EN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Irelan

    11、d, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Ma

    12、rnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14706:2012: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted

    13、 without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions .54 Principle 55 Apparatus .66 Test specimens 76.1 Dimensions of test specimens .76.2 Number of test specimens 76.3 Conditioning of test specimens .87 Pr

    14、ocedure .87.1 Test conditions 87.2 Test procedure .88 Calculation and expression of results .98.1 Thickness deformation versus time 98.2 Dimensional changes 98.3 Additional tests and/or observations . 108.4 Internal self heating 109 Accuracy of measurement . 1110 Test report . 12Annex A (normative)

    15、Modifications of and additions to the general test method for mineral wool products . 13A.1 General . 13A.2 Test specimens . 13A.2.1 Conditioning of test specimens 13A.2.2 Dimensions of test specimens 13A.3 Procedure 13A.3.1 Test conditions . 13A.3.2 Test procedure 13A.4 Additional tests and/or obse

    16、rvations . 14A.5 Test for internal self-heating . 14Annex B (normative) Modifications of and additions to the general test method for cellular glass products . 16B.1 General . 16B.2 Apparatus 16B.3 Test specimens . 16B.3.1 Conditioning of test specimens 16B.3.2 Dimensions of test specimens 16B.4 Tes

    17、t procedure 16B.5 Additional tests and/or observations . 16B.5.1 Observations . 16B.5.2 Additional tests . 16Annex C (normative) Modifications of and additions to the general test method for phenolic foam products . 17C.1 General . 17C.2 Test specimens . 17C.2.1 Dimensions of test specimens 17Copyri

    18、ght European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E) 3 C.2.2 Conditioning of test specimens . 17C.3 Test procedure . 17C.4 Additional tests and/or observat

    19、ions 17Annex D (normative) Modifications of and additions to the general test method for polyethylene foam (PEF) and flexible elastomeric foam (FEF) products . 19D.1 General . 19D.2 Apparatus . 19D.3 Dimensions of the test specimens 19D.4 Test procedure . 19D.5 Calculation and expression of results

    20、20Bibliography 21Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E) 4 Foreword This document (EN 14706:2012) has been prepared by Technical Committ

    21、ee CEN/TC 88 “Thermal insulating materials and products”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2013, and conflicting national standards sh

    22、all be withdrawn at the latest by April 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 14706:2005.

    23、The main technical changes that have been made in this new edition of EN 14706 are the following: a) Normative references have been updated; b) Figure 1 has been corrected; c) Clause 9, Accuracy of measurements has been revised; d) 5.1, Flat square or circular hot plate has been supplemented; e) 6.1

    24、, Dimensions of test specimens has been revised; f) A.3.1, Test conditions has been revised; g) A.5, Test for internal self-heating has been completed; h) C.4, Additional tests and/or observations has been completed; i) D.3, Dimensions of test specimens has been revised. This European Standard is on

    25、e of a series of standards which specify test methods for determining dimensions and properties of thermal insulating materials and products. It supports a series of product standards for thermal insulating materials and products which derive from the Council Directive of 21 December 1988 on the app

    26、roximation of laws, regulations and administrative provisions of the Member States relating to construction products (Directive 89/106/EEC) through the consideration of the essential requirements. This European Standard has been prepared for products used to insulate building equipment and industria

    27、l installations, but it may also be applied to products used in other areas. A similar standard is available for testing of preformed pipe insulation EN 14707, Thermal insulating products for building equipment and industrial installations Determination of maximum service temperature for preformed p

    28、ipe insulation. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedo

    29、nia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under

    30、license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E) 5 1 Scope This European Standard specifies the equipment and procedures for determining the maximum service temperature of flat insulation products. It is applicable t

    31、o thermal insulating products. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the reference

    32、d document (including any amendments) applies. EN 823, Thermal insulating products for building applications Determination of thickness EN 12085, Thermal insulating products for building applications Determination of linear dimensions of test specimens EN 12429, Thermal insulating products for build

    33、ing applications Conditioning to moisture equilibrium under specified temperature and humidity conditions EN 14303, Thermal insulation products for building equipment and industrial installations Factory made mineral wool (MW) products - Specification ISO 5725-2:1994, Accuracy (trueness and precisio

    34、n) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method ISO 7884-1, Glass Viscosity and viscometric fixed points Part 1: Principles for determining viscosity and viscometric fixed points ISO 7884-7, Glass

    35、Viscosity and viscometric fixed points Part 7: Determination of annealing point and strain point by beam bending 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 maximum service temperature highest temperature at which the insulation product,

    36、when installed at the recommended thickness in a given application, continues to function within specified limits of performance SOURCE: EN ISO 9229:2007, 2.6.9.1 Note 1 to entry: The required performance may be in the areas of dimensional stability, thermal properties, and mechanical properties as

    37、well as changes in appearance and resistance against creation of hazards such as internal self heating (see Annexes A and C and possible requirements in the relevant product standard). Note 2 to entry: In the present test procedure, which is used as a reference, the test specimen is exposed to a tem

    38、perature difference going from ambient to the maximum service temperature. This may not reflect the actual application conditions when products are exposed to different temperatures on the two main faces, e.g. in multilayer systems or for faced products where the facing may limit the maximum service

    39、 temperature. 4 Principle Measure thickness, length, and width after one sided heat treatment for a specified time period, at the maximum service temperature, achieved using a specified rate of temperature increase. The thickness of the test specimen is measured during heat treatment, and the length

    40、 and width only after cooling to ambient temperature. The procedure may be an iterative process. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E)

    41、 6 Additional requirements for assessing the maximum service temperature of specific materials are described in normative annexes to this European Standard or the relevant product standard or any other European Technical Specification. 5 Apparatus A general arrangement of the apparatus is indicated

    42、in Figure 1 and comprises: 5.1 Flat square or circular hot plate, with a uniform temperature distribution in the measuring zone on the hot face and a heat flux perpendicular to the face of the hot plate. The deviation from flatness of the hot plate shall not exceed 1 mm in the measuring zone at ambi

    43、ent temperature. The hot plate shall be capable of being controlled to within 2 % of a predetermined temperature or 10 C, whichever is smaller. The hot plate shall be capable of being heated at 50 C/h and/or 300 C/h. If a small size equipment (e.g. 100 mm) is used, the free movement of the test spec

    44、imen during the test is critical and shall be controlled strictly. 5.2 Edge insulation, with a gap as small as possible (e.g. 1 mm/100 mm test specimen size) which will permit free movement during the test of the test specimen and of the pressure plate. 5.3 Square or circular pressure plate, with th

    45、e same dimensions as the test specimen exerting the required load on the test specimen. 5.4 Device, e.g. electromechanical, for measuring the thickness of the test specimen during the test to the nearest 0,1 mm. When determining the thickness of the test specimen, the thermal movement of the apparat

    46、us (e.g. quartz rod) shall be taken into account up to the maximum service temperature. 5.5 Temperature sensors (e.g. thermocouples) capable of recording the hot plate temperature to the nearest 1 % in centigrade but not less than 1 C, which are placed within grooves on the hot plate. Copyright Euro

    47、pean Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 14706:2012EN 14706:2012 (E) 7 Dimensions in millimetres Key 1 device for measuring thickness, e.g. electromechanical device 2 test specime

    48、n 3 pressure plate 4 edge insulation 5 hot plate 6 thermocouple 7 small gap Figure 1 Example of an apparatus for determining maximum service temperature 6 Test specimens 6.1 Dimensions of test specimens a) Length and width: Test specimens shall be cut as squares or cylinders (as appropriate) and the cross section dimensions shall be as follows: 1) 100 mm 100 mm (or diameter 100 mm) or 2) 150 mm 150 mm (or diameter 150 mm) or 3) 200 mm 200 mm (or diameter 200 mm) or 4) 300 mm 300 mm (o


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