BS-EN-1762-2003.pdf
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1、BRITISH STANDARD BS EN 1762:2003 Incorporating corrigendum November 2007 Rubber hoses and hose assemblies for liquefied petroleum gas, LPG (liquid or gaseous phase), and natural gas up to 25 bar (2,5 MPa) Specification ICS 23.040.70 ? BS EN 1762:2003 This British Standard, was published under the au
2、thority of the Standards Policy and Strategy Committee on 17 June 2004 BSI 2008 ISBN 978 0 580 62326 4 National foreword This British Standard is the UK implementation of EN 1762:2003, incorporating corrigendum November 2007. It supersedes BS EN 1762:1998 which is withdrawn. The start and finish of
3、text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum November 2007 is indicated in the text by . The UK participation in its preparation was entrusted to Technical Committee PRI/66, Rubber and plastics tubing, hoses and hose assemblies. A list o
4、f 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 contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal
5、obligations. Amendments/corrigenda issued since publication DateComments 30 September 2008Implementation of CEN corrigendum November 2007 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1762 October 2003 ICS 23.040.70Supersedes EN 1762:1997 English version Rubber hoses and hose assemblies for l
6、iquefied petroleum gas, LPG (liquid or gaseous phase), and natural gas up to 25 bar (2,5 MPa) - Specification Tuyaux et flexibles en caoutchouc pour le gaz de ptrole liqufi GPL (en phase liquide ou gazeuse) et le gaz naturel jusqu 25 bar (2,5 MPa) - Spcification Gummischluche und -schlauchleitungen
7、fr Flssiggas LPG (flssig oder gasfrmig) und Erdgas bis 25 bar (2,5 MPa) - Spezifikation This European Standard was approved by CEN on 8 September 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the statu
8、s of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A vers
9、ion in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France
10、, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36
11、B-1050 Brussels 2003 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1762:2003 E Incorporating corrigendum November 2007 EN 1762:2003 (E) 2 ContentsPage Foreword3 1Scope 3 2Normative references 3 3Terms and definitions4 3.1Additiona
12、l Terms and definitions.4 3.1.1Electrically Bonded Hose/Hose Assembly4 3.1.2Electrically Conductive Hose/Hose Assembly4 3.1.3Electrically Discontinuous Hose/Hose Assembly4 4Classification4 5Materials and construction.5 5.1Hose 5 5.2Hose assemblies5 6Dimensions.5 6.1Nominal bore, internal diameters,
13、outside diameters, tolerances, and minimum bend radius 5 6.2Minimum thickness of lining and cover 7 6.3Concentricity7 6.4Tolerances on length.7 7Physical properties7 7.1Rubber Compounds 7 7.2Finished hose SDsuction and delivery hose, helix reinforced SD-LTSsuction and delivery hose “smooth hose”, he
14、lix reinforced, low temperature SD-LTRsuction and delivery hose, rough bore (having an internal, non-embedded helical wire of stainless steel), low temperature Hoses for this application are divided into 3 grades according to their electrical properties: DesignationElectrical property MElectrically
15、bonded Electrically conductive using a conductive rubber layer DiscontinuousElectrically discontinuous BS EN 1762:2003 EN 1762:2003 (E) 5 5 Materials and construction 5.1 Hose The hose shall consist of the following: a lining of synthetic rubber resistant to n-pentane; a reinforcement of layers of w
16、oven, braided or spirally wound textile material or braided or spirally wound stainless steel wire, an embedded stainless steel metallic helix reinforcement (types SD, SD-LTS and SD-LTR only); two or more low resistance electrical bonding wires (type “M” only); an outer cover of synthetic rubber, re
17、sistant to abrasion and outdoor exposure, the cover being be pricked to allow gas permeation; an internal, non-embedded stainless steel helical wire, suitable for use at 50 C (type SD-LTR only). 5.2 Hose assemblies Hose assemblies shall incorporate metallic couplings attached to the hose by the asse
18、mbler or built in by the manufacturer. In order to produce the required electrical properties, the couplings should be attached in accordance with clause 8. Chlorinated materials shall not be used in contact with any stainless steel materials. 6 Dimensions 6.1 Nominal bore, internal diameters, outsi
19、de diameters, tolerances, and minimum bend radius For hoses without built-in couplings, and when measured in accordance with method A of EN ISO 4671, the internal diameter and outside diameter and their tolerances shall conform to Table 1 or Table 2, depending on the type. For hoses with built-in co
20、uplings, the outside diameters in Tables 1 and 2 do not apply. When tested by the method described in EN ISO 1746, the value of the minimum bend radius shall be as given in Table 1 or Table 2, depending on the type. BS EN 1762:2003 EN 1762:2003 (E) 6 Table 1 Dimensions and tolerances of hoses of typ
21、es D and D-LT Nominal bore Internal diameter mm Tolerance mm Outside diameter mm Tolerance mm Design minimum bend radius* mm 1212,7 0,522,7 1,0100 1515 0,525 1,0120 1615,9 0,525,9 1,0125 1919 0,531 1,0160 2525 0,538 1,0200 3232 0,545 1,0250 3838 0,552 1,0320 5050 0,666 1,2400 5151 0,667 1,2400 6363
22、0,681 1,2550 7575 0,693 1,2650 7676 0,694 1,2650 8080 0,698 1,2725 100100 1,6120 1,6800 150150 2,0174 2,01200 200200 2,0224 2.01600 250254 2,02000 300305 2,02500 *) The design minimum bend radius is measured to the surface of the hose on the inside of the bend. Table 2 Dimensions and tolerances of h
23、oses of types SD, SD-LTS and SD-LTR Nominal boreInternal diameter mm Tolerance mm Outside diameter mm Tolerance mm Design minimum bend radius* mm 1212,7 0,522,7 1,090 1515 0,525 1,095 1615,9 0,525,9 1,095 1919 0,531 1,0100 2525 0,538 1,0150 3232 0,545 1,0200 3838 0,552 1,0280 5050 0,666 1,2350 5151
24、0,667 1,2350 6363 0,681 1,2480 7575 0,693 1,2550 7676 0,694 1,2550 8080 0,698 1,2680 100100 1,6120 1,6720 150150 2,0174 2,01000 200200 2,0224 2.01400 250254 2,01750 300305 2,02100 *) The design minimum bend radius is measured to the surface of the hose on the inside of the bend. NOTENominal bores 25
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