1、BRITISH STANDARDBS ISO 6149-4:2006Connections for fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugsICS 23.100.40g49g50g3g38g50g51g60g44g49g42g3g58g44g55
2、g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 6149-4:2014BS EN ISO 6149-4:2014ISBN 978 0 580 86295 3Amendments/corrigenda issued since publicationDate Comments31 January 2015 T
3、his corrigendum renumbers BS ISO 6149-4:2006as BS EN ISO 6149-4:2014This British Standard waspublished under the authorityof the Standards Policy andStrategy Committee on 30 June 2006 The British StandardsInstitution 2015. Publishedby BSI Standards Limited2015National forewordThis British Standard i
4、s the UK implementation of EN ISO 6149-4:2014. It isidentical to ISO 6149-4:2006.The UK participation in its preparation was entrusted to Technical CommitteeISE/110, Steel Tube, and Iron and Steel Fittings.A list of organizations represented on this committee can be obtained on requestto its secreta
5、ry.The publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity fromlegal obligations.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 6149-4 December 2014 IC
6、S 23.100.40 English Version Connections for fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs (ISO 6149-4:2006) Raccordements pour transmissions hyd
7、rauliques et applications gnrales - Orifices et lments mles filetage mtrique ISO 261 et joint torique - Partie 4: Dimensions, conception, mthodes dessai et exigences des bouchons dorifice six pans externes et six pans internes (ISO 6149-4:2006) Leitungsanschlsse fr Fluidtechnik und allgemeine Anwend
8、ung - Einschraublcher und Einschraubzapfen mit metrischem Gewinde nach ISO 261 und O-Ring-Abdichtung - Teil 4: Mae, Konstruktion, Prfverfahren und Anforderungen an Verschlussschrauben mit Auen- oder Innen-Sechskant (ISO 6149-4:2006) This European Standard was approved by CEN on 23 November 2014. CEN
9、 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 obtained on appl
10、ication 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 CEN-CENELEC Ma
11、nagement 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, Ireland, Italy, Lat
12、via, 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 CEN-CENELEC Management Centre: Avenue Mar
13、nix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 6149-4:2014 Eii EN ISO 6149-4:2014 (E) 3 Foreword The text of ISO 6149-4:2006 has been prepared by Technical Committee ISO/TC 131 “Fluid power systems
14、” of the International Organization for Standardization (ISO) and has been taken over as EN ISO 6149-4:2014 by Technical Committee CEN/TC 110 “Steel tubes, and iron and steel fittings” the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, e
15、ither by publication of an identical text or by endorsement, at the latest by June 2015, and conflicting national standards shall be withdrawn at the latest by June 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
16、CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Re
17、public, 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, Spain, Sweden, Switzerland, Turkey and the United Kingdom. En
18、dorsement notice The text of ISO 6149-4:2006 has been approved by CEN as EN ISO 6149-4:2014 without any modification. BS EN ISO 6149-4:2014EN ISO 6149-4:2014iiiContents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references . 1 3 Terms and definitions. 2 4 Dimensions 2 4.1 Plug dimension
19、s . 2 4.2 Hex tolerances 2 4.3 Screw threads . 2 5 Requirements 2 5.1 Working pressures and working temperatures . 2 5.2 Performance 3 6 O-rings . 3 7 Test methods. 3 8 Designation of port plugs 3 9 Identification 4 10 Manufacture. 4 10.1 Construction 4 10.2 Workmanship 4 10.3 Finish 4 11 Procuremen
20、t information. 4 12 Marking 4 13 Identification statement (reference to this part of ISO 6149). 5 BS ISO 6149-4:2006BS EN ISO 6149-4:2014EN ISO 6149-4:2014iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies).
21、The work of preparing International Standards is normally carried out 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-g
22、overnmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2
23、. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a
24、vote. 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 held responsible for identifying any or all such patent rights. ISO 6149-4 was prepared by Technical Committee ISO/TC 131, Fluid power systems, Subcommittee SC
25、 4, Connectors and similar products and components. ISO 6149 consists of the following parts, under the general title Connections for fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing: Part 1: Ports with truncated housing for O-ring seal Part 2: Dimension
26、s, design, test methods and requirements for heavy-duty (S series) stud ends Part 3: Dimensions, design, test methods and requirements for light-duty (L series) stud ends Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs BS ISO 6149-4:2006BS EN IS
27、O 6149-4:2014EN ISO 6149-4:2014vIntroduction In fluid power systems, power is transmitted and controlled through a fluid (liquid or gas) under pressure within an enclosed circuit. In general applications, a fluid can be conveyed under pressure. Components are connected through their threaded ports b
28、y stud ends on fluid conductor connectors to tubes and pipes or to hose fittings and hoses. Fluid ports are closed by inserting a plug in the port. BS ISO 6149-4:2006BS EN ISO 6149-4:2014EN ISO 6149-4:2014blank1Connections for fluid power and general use Ports and stud ends with ISO 261 metric threa
29、ds and O-ring sealing Part 4: Dimensions, design, test methods and requirements for external hex and internal hex port plugs 1 Scope This part of ISO 6149 specifies dimensions and performance requirements for external hex and internal hex port plugs for use with ISO 6149-1 ports. Port plugs in accor
30、dance with this part of ISO 6149 can be used at working pressures up to 63 MPa (630 bar1). The permissible working pressure depends upon the plug end size, materials, design, working conditions, application, etc. Conformance to the dimensional information in this part of ISO 6149 does not guarantee
31、rated performance. It is necessary that each manufacturer perform testing according to the specification contained in this part of ISO 6149 to assure that components comply with the performance ratings. 2 Normative references The following referenced documents are indispensable for the application o
32、f this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 48, Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IHRD) ISO 261:1998,
33、 ISO general-purpose metric screw threads General plan ISO 1629, Rubber and latices Nomenclature ISO 3601-3:2005, Fluid power systems O-rings Part 3: Quality acceptance criteria ISO 4042, Fasteners Electroplated coatings ISO 4759-1:2000, Tolerances for fasteners Part 1: Bolts, screws, studs and nuts
34、 Product grades A, B and C ISO 55982), Fluid power systems and components Vocabulary ISO 6149-1, Connections for fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 1: Ports with truncated housing for O-ring seal 1) 1 bar = 0,1 MPa = 105Pa; 1 MPa = 1 N
35、/mm2. 2) To be published. (Revision of ISO 5598:1985) BS ISO 6149-4:2006BS EN ISO 6149-4:2014EN ISO 6149-4:20142 ISO 6149-2, Connections for fluid power and general use Ports and stud ends with ISO 261 metric threads and O-ring sealing Part 2: Dimensions, design, test methods and requirements for he
36、avy-duty (S series) stud ends ISO 7789, Hydraulic fluid power Two-, three- and four-port screw-in cartridge valves Cavities ISO 9227, Corrosion tests in artificial atmospheres Salt spray tests ISO 10683, Fasteners Non-electrolytically applied zinc flake coatings ISO 19879, Metallic tube connections
37、for fluid power and general use Test methods for hydraulic fluid power connections 3 Terms and definitions For the purpose of this document, the terms and definitions given in ISO 5598 and the following apply. 3.1 plug stud end with no through hole for fluid passage, used to contain hydraulic fluid.
38、 4 Dimensions 4.1 Plug dimensions External hex and internal hex plugs shall conform to the dimensions shown in Figures 1 and 2 and given in Tables 1 and 2, respectively. 4.2 Hex tolerances External hex tolerances across flats shall be in accordance with ISO 4759-1:2000, product grade C. Minimum acro
39、ss corner dimensions are 1,092 times the nominal width across flats. The minimum side flat is 0,43 times the nominal width across flats. Internal hex tolerances across flats shall be in accordance with ISO 4759-1:2000, product grade A. External hex corners shall be chamfered 10 to 30 to a diameter e
40、qual to the width across flats, with a tolerance of 00,4mm. 4.3 Screw threads The screw threads on the plug shall be metric screw threads conforming to ISO 261:1998, class 6g. 5 Requirements 5.1 Working pressures and working temperatures External hex and internal hex plugs conforming to this part of
41、 ISO 6149 shall be suitable for use at the working pressures given in Table 3 when used at temperatures between 40 C and +120 C. For use at pressures and/or temperatures outside of this range, the manufacturer shall be consulted. Plugs conforming to this part of ISO 6149 may contain elastomeric seal
42、s. Unless otherwise specified, plugs are made and delivered with elastomeric seals for use within the specified working temperature range with petroleum-based hydraulic fluids. The use of these plugs and elastomeric seals with other hydraulic fluids can result in a reduced working temperature range
43、or can render the plugs unsuitable for the application. Manufacturers may supply, upon request, plugs with elastomeric seals for use with hydraulic fluids other than petroleum-based hydraulic fluids that meet the specified working temperature range of the plugs. BS ISO 6149-4:2006BS EN ISO 6149-4:20
44、14EN ISO 6149-4:201435.2 Performance External hex and internal hex plugs conforming to this part of ISO 6149 shall meet the burst and impulse pressures given in Table 3, and shall be capable of withstanding a vacuum of 6,5 kPa (0,065 bar) absolute pressure when tested in accordance with Clause 7. 6
45、O-rings Unless otherwise specified, for use at the pressure and temperature requirements in 5.1 and Table 3 and for testing, the O-rings shall be made of NBR (nitrile) with a hardness of (90 5) IRHD, measured in accordance with ISO 48, conform to the dimensions shown in Figure 3 and given in Table 4
46、, and meet or exceed the O-ring quality acceptance criteria for grade N of ISO 3601-3:2005. Tolerances on O-ring dimensions shall be in accordance with ISO 6149-2. 7 Test methods Port plug tests shall be conducted in accordance with ISO 19879 for burst, cyclic endurance (impulse) and vacuum. The qua
47、lification test torques given in Table 5 shall be used in testing. Test results shall be reported on the test data form in ISO 19879. 8 Designation of port plugs Port plugs shall be designated by an alphanumeric code to facilitate ordering. They shall be designated by the word “Plug”, then a space,
48、followed by ISO 6149-4, then a hyphen, followed by the shape code PLEH for external hex or PLIH for internal hex, followed a hyphen, followed by the plug size, followed by the O-ring code NBR for plugs delivered with an O-ring that conforms to the requirements of Clause 6. If desired, the code may b
49、e supplemented by a hyphen followed by the plating code in accordance with ISO 4042 or ISO 10683, followed by hyphen, followed by the O-ring material code in accordance with ISO 1629. EXAMPLE 1 Plug with an external hex for an ISO 6149-1 port size M12 1,5 shall be designated as follows: Plug ISO 6149-4-PLEH-M12 EXAMPLE 2 Plug with an external hex for an ISO 6149-1 port size M12 1,5, ordered assembled with an O-ring that conforms to the requirements of Clause 6 shall be designated as follows
