ISO 4642-2-2015 Rubber and plastics hoses non-collapsible for fire-fighting service - Part 2 Semi-rigid hoses (and hose assemblies) for pumps and vehicles《消防设备用.pdf
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1、 ISO 2015 Rubber and plastics hoses, non- collapsible, for fire-fighting service Part 2: Semi-rigid hoses (and hose assemblies) for pumps and vehicles Tuyaux en caoutchouc et en plastique, non aplatissables, pour la lutte contre lincendie Partie 2: Tuyaux (et flexibles) semi-rigides pour pompes et v
2、hicules INTERNATIONAL STANDARD ISO 4642-2 Second edition 2015-12-01 Reference number ISO 4642-2:2015(E) ISO 4642-2:2015(E)ii ISO 2015 All rights reserved COPYRIGHT PROTECTED DOCUMENT ISO 2015, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may b
3、e reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the re
4、quester. ISO copyright office Ch. de Blandonnet 8 CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyrightiso.org www.iso.org ISO 4642-2:2015(E)Foreword v Introduction vi 1 Scope . 1 2 Normative references 1 3 Terms and definitions . 2 4 Classification 2 4.1 G
5、eneral . 2 4.2 Classification by types (hose construction) . 2 4.3 Classification by class (materials for lining and cover) . 2 4.4 Classification by category 3 5 Dimensions, tolerances and maximum mass . 3 5.1 Inside diameter and maximum mass. 3 5.2 Length and tolerances on length . 3 5.3 Concentri
6、city. 4 6 Performance requirements of finished hose 4 6.1 Hydrostatic requirements . 4 6.1.1 Deformation under maximum working pressure . 4 6.1.2 Deformation under proof pressure 4 6.1.3 Minimum burst pressure 4 6.1.4 Kink pressure 4 6.2 Adhesion . 4 6.3 Accelerated ageing . 5 6.4 Abrasion resistanc
7、e . 5 6.4.1 General 5 6.4.2 Abrasion resistance of class 5 and class 6 hoses 5 6.4.3 Abrasion resistance of classes 1, 2, 3 and 4 hoses 5 6.5 Low temperature flexibility . 5 6.6 Hot surface resistance 5 6.7 Ozone resistance 6 6.8 Bending and crush resistance 6 6.9 UV resistance (xenon arc lamp) . 6
8、6.10 Loss in mass on heating 6 6.11 Deformation under crushing (type C only) 6 6.12 Hose assemblies . 6 7 Frequency of testing 6 8 Type tests . 7 9 Test report . 7 10 Recommendation for packaging and storage . 7 11 Marking 7 Annex A (normative) Kink pressure test 8 Annex B (normative) Accelerated ag
9、eing test . 9 Annex C (normative) Surface abrasion resistance test 10 Annex D (normative) Point abrasion resistance test 12 Annex E (normative) Hot surface resistance test .15 Annex F (normative) Bending and crush resistance test .20 Annex G (normative) Deformation under crushing test .22 ISO 2015 A
10、ll rights reserved iii Contents Page ISO 4642-2:2015(E)Annex H (normative) Adhesion test (lay-flat fire-fighting hoses) .24 Annex I (normative) Test for fire-fighting hose assemblies 26 Annex J (normative) Type test and routine test .27 Annex K (informative) Production tests 28 Bibliography .29 iv I
11、SO 2015 All rights reserved ISO 4642-2:2015(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each me
12、mber body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International E
13、lectrotechnical Commission (IEC) on all matters of electrotechnical standardization. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different typ
14、es of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be
15、 held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents). Any trade name used in this document is inform
16、ation given for the convenience of users and does not constitute an endorsement. For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade (TBT) see th
17、e following URL: Foreword - Supplementary information The committee responsible for this document is ISO/TC 45, Rubber and rubber products, Subcommittee SC 1, Rubber and plastics hoses and hose assemblies. This second edition cancels and replaces the first edition (ISO 4642-2:2009), of which it cons
18、titutes a minor revision. ISO 4642 consists of the following parts, under the general title Rubber and plastics hoses, non-collapsible, for fire-fighting service: Part 1: Semi-rigid hoses for fixed systems Part 2: Semi-rigid hoses (and hose assemblies) for pumps and vehicles ISO 2015 All rights rese
19、rved v ISO 4642-2:2015(E) Introduction This part of ISO 4642 is mainly concerned with fire service semi-rigid delivery hoses and incorporates those hoses used manually to control and extinguish fires.vi ISO 2015 All rights reserved Rubber and plastics hoses, non-collapsible, for fire- fighting servi
20、ce Part 2: Semi-rigid hoses (and hose assemblies) for pumps and vehicles 1 Scope This part of ISO 4642 specifies the requirements and test methods for semi-rigid reel hoses for use on fire-fighting vehicles and trailer pumps. The hoses are intended for use at a maximum working pressure of 1,5 MPa fo
21、r normal pressure hoses (category I) and 4,0 MPa for high pressure hoses (category II). The hoses are further subdivided into types and classes (see Clause 4). This part of ISO 4642 applies to delivery hoses for fire-fighting purposes intended for use at a minimum ambient temperature of 20 C. Hoses
22、conforming to this part of ISO 4642 are intended to be used with fire hose couplings conforming to the relevant national standards couplings. Requirements are also given for hose assemblies (see 6.12) where these are fitted by the hose manufacturer. NOTE 1 Hoses for use at temperatures lower than 20
23、 C can be supplied by agreement between the manufacturer and purchaser. NOTE 2 All pressures are expressed in megapascals where 1 MPa = 10 bar. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application.
24、For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 176:2005, Plastics Determination of loss of plasticizers Activated carbon method ISO 188, Rubber, vulcanized or thermoplastic Accelerate
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