DIN EN 857-2016 Rubber hoses and hose assemblies - Wire braid reinforced compact type for hydraulic applications - Specification German version EN 857 2015《橡胶软管和软管组件 带金属丝编织层的紧凑型液压软.pdf
《DIN EN 857-2016 Rubber hoses and hose assemblies - Wire braid reinforced compact type for hydraulic applications - Specification German version EN 857 2015《橡胶软管和软管组件 带金属丝编织层的紧凑型液压软.pdf》由会员分享,可在线阅读,更多相关《DIN EN 857-2016 Rubber hoses and hose assemblies - Wire braid reinforced compact type for hydraulic applications - Specification German version EN 857 2015《橡胶软管和软管组件 带金属丝编织层的紧凑型液压软.pdf(20页珍藏版)》请在麦多课文档分享上搜索。
1、September 2016 English price group 11No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 23.100.40!%3e“2561666www.din.d
2、eDIN EN 857Rubber hoses and hose assemblies Wire braid reinforced compact type for hydraulic applications Specification;English version EN 857:2015,English translation of DIN EN 857:2016-09Gummischluche und schlauchleitungen Kompakthydraulikschluche mit Drahtgeflechteinlage Spezifikation;Englische F
3、assung EN 857:2015,Englische bersetzung von DIN EN 857:2016-09Tuyaux et flexibles en caoutchouc Type hydraulique compact avec armature de fils mtalliques Spcification;Version anglaise EN 857:2015,Traduction anglaise de DIN EN 857:2016-09SupersedesDIN EN 857:199702www.beuth.deDocument comprises 20 pa
4、gesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.09.16 DIN EN 857:2016-09 2 A comma is used as the decimal marker. National foreword This document (EN 857:2015) has been prepared by Technical Committee CEN/TC 218 “Rubber and plast
5、ics hoses and hose assemblies” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was DIN-Normenausschuss Elastomer-Technik (DIN Standards Committee Elastomer Technology), Working Committee NA 045-02-12 AA Gummi- und Kunststoffschluche sowie Schlauchleitungen
6、 (Spiegelgremium zu CEN/TC 218, ISO/TC 45/SC 1). NOTE Requirements for hydraulic hoses for underground mining are dealt with in separate standards. The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 1817:2005 DIN ISO 1817:2008-08 ISO 23529
7、 DIN ISO 23529 Amendments This standard differs from DIN EN 857:1997-02 as follows: a) the standard has been technically and editorially revised; b) normative references have been updated; c) in Subclause 5.1, Table 1, the tolerances for inside diameters have been updated; d) in Subclause 6.8, detai
8、ls of abrasion resistance testing have been modified due to the withdrawal of ISO 6945; e) a new normative Annex A has been added; f) a new normative Annex B has been added; g) a new informative Annex C has been added. Previous editions DIN EN 857: 1997-02 DIN EN 857:2016-09 3 National Annex NA (inf
9、ormative) Bibliography DIN ISO 1817:2008-08, Rubber, vulcanized Determination of the effect of liquids (ISO 1817:2005) DIN ISO 23529, Rubber General procedures for preparing and conditioning test pieces for physical test methods DIN EN 857:2016-09 4 This page is intentionally blank EUROPEAN STANDARD
10、 NORME EUROPENNE EUROPISCHE NORM EN 857 April 2015 ICS 23.100.40 Supersedes EN 857:1996English Version Rubber hoses and hose assemblies - Wire braid reinforced compact type for hydraulic applications - Specification Tuyaux et flexibles en caoutchouc - Type hydraulique compact avec armature de fils m
11、talliques - Spcification Gummischluche und -schlauchleitungen - Kompakthydraulikschluche mit Drahtgeflechteinlage - Spezifikation This European Standard was approved by CEN on 31 January 2015. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions fo
12、r 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 obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in thre
13、e 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 CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bod
14、ies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, S
15、pain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldw
16、ide for CEN national Members. Ref. No. EN 857:2015 EEN 857:2015 (E) 2 Contents Page Foreword 3 1 Scope 4 2 Normative references 4 3 Types of hoses .5 4 Materials and construction .5 4.1 Hoses 5 4.2 Hose assemblies 5 5 Dimensions .5 5.1 Diameters and concentricity .5 5.2 Length .6 5.2.1 Hoses 6 5.2.2
17、 Hose assemblies 6 6 Requirements .7 6.1 Hydrostatic requirements .7 6.2 Minimum bend radius 7 6.3 Impulse test requirements 8 6.4 Leakage of hose assemblies 8 6.5 Cold flexibility 8 6.6 Adhesion between components .8 6.7 Vacuum resistance 8 6.8 Abrasion resistance 9 6.9 Fluid resistance9 6.9.1 Test
18、 pieces .9 6.9.2 Oil resistance .9 6.9.3 Water based fluid resistance 9 6.9.4 Water resistance . 10 6.10 Ozone resistance 10 7 Designation . 10 8 Marking 10 8.1 Hoses . 10 8.2 Hose assemblies . 10 Annex A (normative) Procedure for the measurement of abrasion 11 A.1 Apparatus 11 A.2 Method . 12 A.3 T
19、est pieces 12 A.4 Condition of test pieces . 12 A.5 Procedure 13 A.6 Expression of results . 13 A.7 Test report . 13 Annex B (normative) Type and routine testing of production hoses . 15 Annex C (informative) Production acceptance testing . 16 DIN EN 857:2016-09 EN 857:2015 (E) 3 Foreword This docum
20、ent (EN 857:2015) has been prepared by Technical Committee CEN/TC 218 “Rubber and plastics hoses and hose assemblies”, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at th
21、e latest by October 2015 and conflicting national standards shall be withdrawn at the latest by October 2015. 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
22、all such patent rights. This document supersedes EN 857:1996. In comparison with EN 857:1996, the following significant changes have been made: updated normative references; tolerances for inside diameter in Table 1; added Annex A; added Annex B; added Annex C. According to the CEN-CENELEC Internal
23、Regulations, the national standards organizations 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 Macedonia, France, Germany, Greece, Hungary, Iceland, Irelan
24、d, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 857:2016-09 EN 857:2015 (E) 4 1 Scope This European Standard specifies requirements for two types of wire braid reinfo
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