1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 14541:2013Hydraulic fluid power Dimensions and requirements for screw-to-connect quick-action couplings for general purposeBS ISO 14541:2013 BRITISH STANDARDNational forew
2、ordThis British Standard is the UK implementation of ISO 14541:2013. The UK participation in its preparation was entrusted to TechnicalCommittee MCE/18/-/4, Connectors and associated components. A list of organizations represented on this committee can be obtained on request to its secretary.This pu
3、blication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013.ISBN 978 0 580 73941 5 ICS 23.100.40 Compliance with a British Standard cannot confer i
4、mmunityfrom legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2013.Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 14541:2013 ISO 2013Hydraulic fluid power Dimensions and requirements for screw-t
5、o-connect quick-action couplings for general purposeTransmissions hydrauliques Dimensions et exigences des raccords rapides de type visser pour usage gnralINTERNATIONAL STANDARDISO14541First edition2013-03-15Reference numberISO 14541:2013(E)BS ISO 14541:2013ISO 14541:2013(E)ii ISO 2013 All rights re
6、servedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights reserved. Unless otherwise specified, no part of this publication may be 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 writ
7、ten permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 14
8、541:2013ISO 14541:2013(E) ISO 2013 All rights reserved iiiContents PageForeword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Dimensional requirements . 15 Performance requirements . 36 Assembly instruction . 37 Designation 48 Marking 49 Identification statement (re
9、ference to this International Standard) 4Bibliography 5BS ISO 14541:2013ISO 14541:2013(E)ForewordISO (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
10、through ISO technical committees. Each member 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 coll
11、aborates closely with the International Electrotechnical 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 approv
12、al criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2. www.iso.org/directivesAttention is drawn to the possibility that some of the elements of this document may be the subject o
13、f patent rights. ISO shall not be 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. www.iso.org/patentsAny trade name used
14、in this document is information given for the convenience of users and does not constitute an endorsement.The committee responsible for this document is ISO/TC 131, Fluid power systems, Subcommittee SC 4, Connectors and similar products and components.iv ISO 2013 All rights reservedBS ISO 14541:2013
15、ISO 14541:2013(E)IntroductionIn hydraulic fluid power systems, power is transmitted and controlled through a liquid under pressure within an enclosed circuit.Quick-action couplings, including the screw-to-connect type, are used to join or separate fluid conductors either by hand or the use of a tool
16、. ISO 2013 All rights reserved vBS ISO 14541:2013BS ISO 14541:2013Hydraulic fluid power Dimensions and requirements for screw-to-connect quick-action couplings for general purpose1 ScopeThis International Standard specifies the dimensional and performance requirements for hydraulic screw-to-connect
17、quick-action couplings for general use.2 Normative referencesThe 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 re
18、ferenced document (including any amendments) applies.ISO 724, ISO General-purpose metric screw threads Basic dimensionsISO 965-1, ISO General-purpose metric screw threads Tolerances Part 1: Principles and basic dataISO 1302, Geometrical Product Specifications (GPS) Indication of surface texture in t
19、echnical product documentationISO 5598, Fluid power systems and components VocabularyISO 7241-2, Hydraulic fluid power Quick-action couplings Part 2: Test methods3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 5598 and the following apply.3.1fluid los
20、sfluid that exits the coupling when it is disconnected3.2male halfpart of the coupling with rotating sleeve3.3residual static pressurestatic pressure remaining in the circuit without flow3.4sleevepart that connects with female thread4 Dimensional requirements4.1 Couplings shall conform to the dimens
21、ions shown in Figure 1 and given in Table 1.INTERNATIONAL STANDARD ISO 14541:2013(E) ISO 2013 All rights reserved 1BS ISO 14541:2013ISO 14541:2013(E)Surface roughness values in micrometres and in accordance with ISO 1302aRadius or combined radius-chamfer.bThe valve shape is optional.cSee 4.4.Figure
22、1 Dimensional requirementsTable 1 Dimensional requirementsDimensions in millimetresCoupling sizeDaD1minD2D3L1maxL2maxL3L4L5minL60,3R max6,3 M24 x 2 2,512,85 12,9524,40 24,503,5 0,51 1,514,65 14,7511,5 15,2 0,510 M28 x 2 3,017,35 17,4528,45 28,553,8 0,51 214,95 15,0512,1 14,1 0,512,5 M36 x 2 4,521,90
23、 22,0036,50 36,704,5 0,51,5 2,516,95 17,0511,3 16,3 0,520 M42 x 2 5,427,85 27,9542,70 42,807,5 0,51,5 2,520,85 21,0011,0 21,5 0,5aThread D conforms to ISO 724; tolerances conform to ISO 965-1, grade 7G.2 ISO 2013 All rights reservedBS ISO 14541:2013ISO 14541:2013(E)4.2 The size designation correspon
24、ds to the nominal hose size of the hose recommended for use with the coupling; see ISO 4397.4.3 The shape of the sleeve can be round with wrench flats or hexagonal.4.4 The female half and the male sleeve should be designed to guarantee relative rotation between the connected halves.5 Performance req
25、uirements5.1 Couplings conforming to this International Standard shall meet or exceed the performance requirements specified in Table 2.Table 2 Performance requirementsCoupling sizeMaximum working pressureMinimum burst pressureRated flow rateMaximum pressure drop at rated flow rateRated surge flow r
26、ateMaximum fluid spillageCoupled UncoupledMPa (bar)aMPa (bar) MPa (bar) l/min kPa (bar) l/min ml6,3 35 (350) 140 (1 400) 140 (1 400) 12 250 (2,5) 36 0,810 30 (300) 120 (1 200) 120 (1 200) 23 200 (2) 69 1,412,5 30 (300) 120 (1 200) 120 (1 200) 45 150 (1,5) 135 2,720 25 (250) 100 (1 000) 100 (1 000) 1
27、06 220 (2,2) 318 9,3a1 bar = 100 kPa = 105Pa = 0,1 MPa; 1 Pa = 1 N/m2.5.2 The performance requirements apply to couplings made from carbon steel. The use of any combination of other materials and the related performance requirements shall be agreed between the customer and the manufacturer.5.3 The m
28、aximum working pressure shall be verified by a pressure impulse test conducted in accordance with ISO 7241-2 for 200 000 cycles in the uncoupled condition and 500 000 cycles in the coupled condition. The type, size, and tolerance class of the thread used on the counterpart of the coupling should be
29、recorded in the test report.5.4 The minimum burst pressure shall be verified in the coupled and uncoupled conditions by testing in accordance with ISO 7241-2.5.5 The pressure drop at rated flow rate, fluid loss, and surge flow rate capability shall be verified by testing in accordance with ISO 7241-
30、2.5.6 Couplings shall be designed to be connected at 33 % of the maximum working pressure, which is considered to be the residual working pressure in one coupling half. Couplings shall pass the endurance test specified in ISO 7241-2 by connecting 100 times with an internal pressure of 33 % of the ma
31、ximum working pressure without any damage to the couplings functionality.6 Assembly instruction6.1 During coupling and uncoupling, torsion of hydraulic hoses shall be avoided. The use of a suitable tool is recommended to provide proper assembly; for example, a wrench or grip can be used to fix one h
32、alf of the coupling during coupling and uncoupling. ISO 2013 All rights reserved 3BS ISO 14541:2013ISO 14541:2013(E)6.2 For proper assembly, an optional device for example, the O-ring shown in Figure 2 should be used on the female half of the coupling to indicate the final position of the connection
33、.Key1 female half2 O-ring (other device can be used)3 sleeve4 male halfFigure 2 Example of an optional device7 DesignationHydraulic couplings conforming to this International Standard shall be designated as follows:a) the word “Coupling” followed byb) a reference to this International Standard (i.e.
34、 ISO 14541), followed by a spaced hyphen, followed byc) the size.EXAMPLEA hydraulic quick-action coupling conforming to this International Standard, of size 12,5, is designated as follows:Coupling ISO 14541:, 12,58 MarkingCouplings conforming to this International Standard shall be permanently marke
35、d at least with the manufacturers name, logo, or product identification.9 Identification statement (reference to this International Standard)The following statement should be used in test reports, catalogues, and sales literature when electing to comply with this International Standard: “Dimensional
36、 and performance requirements conform to ISO 14541, Hydraulic fluid power Dimensions and requirements for screw-to-connect quick-action couplings for general purpose.”4 ISO 2013 All rights reservedBS ISO 14541:2013ISO 14541:2013(E)Bibliography1 ISO 4397, Fluid power connectors and associated compone
37、nts Nominal outside diameters of tubes and nominal hose sizes ISO 2013 All rights reserved 5BS ISO 14541:2013ISO 14541:2013(E) ISO 2013 All rights reservedICS 23.100.40Price based on 5 pagesThis page deliberately left blankBSI is the independent national body responsible for preparing British Standa
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