1、BRITISH STANDARD AUTOMOBILE SERIES BS ISO 7876-4:2004 Fuel injection equipment Vocabulary Part 4: High-pressure pipes and end-connections ICS 01.040.43; 43.060.40 BS ISO 7876-4:2004 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 1 February 2
2、005 BSI 1 February 2005 ISBN 0 580 45320 0 National foreword This British Standard reproduces verbatim ISO 7876-4:2004 and implements it as the UK national standard. It supersedes BS AU 260-4:1995 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee MCE/22
3、, Engines for road vehicles, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Cata
4、logue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its co
5、rrect application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests i
6、nformed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to vi, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indica
7、tes when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number Numro de rfrence ISO 7876-4:2004(E/F)INTERNATIONAL STANDARD NORME INTERNATIONALE ISO 7876-4 Second edition Deuxime dition 2004-04-01 Fuel injection equipment Vocabulary Part 4: High-pre
8、ssure pipes and end-connections quipement dinjection de combustible Vocabulaire Partie 4: Tuyauteries et raccords haute pression BSISO78764:2004ii BSISO78764:2004 iiiContents Page Foreword.v 1 Scope . 1 2 Normative references . 1 3 Basic definitions . 2 4 Fuel injection tubes 2 5 End-connections (se
9、e 3.4) . 3 6 Pipe assembly (see 3.2) 4 Bibliography . 5 Alphabetical index . 6 BSISO78764:2004 iv Sommaire Page Avant-propos .vi 1 Domaine dapplication 1 2 Rfrences normatives.1 3 Dfinitions de base .2 4 Tubes dinjection de combustible .2 5 Raccords finaux (voir 3.4) .3 6 Ligne assemble (voir 3.2)4
10、Bibliographie.5 Index alphabtique.7 BSISO78764:2004 vForeword 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. E
11、ach 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 collaborates closely with the Internati
12、onal 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. The main task of technical committees is to prepare International Standards. Draft International Standa
13、rds 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 vote. Attention is drawn to the possibility that some of the elements of this document may be the subject
14、 of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 7876-4 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 7, Injection equipment and filters for use on road vehicles. This second edition cancels and replaces the first
15、 edition (ISO 7876-4:1994), of which definitions 3.2 to 3.4, 4.2 and 4.3, 5.1 to 5.3 and 5.6 have been technically revised. ISO 7876 consists of the following parts, under the general title Fuel injection equipment Vocabulary: Part 1: Fuel injection pumps Part 2: Fuel injectors Part 3: Unit injector
16、s Part 4: High-pressure pipes and end-connections Part 5: Common rail fuel injection system BSISO78764:2004 vi Avant-propos LISO (Organisation internationale de normalisation) est une fdration mondiale dorganismes nationaux de normalisation (comits membres de lISO). Llaboration des Normes internatio
17、nales est en gnral confie aux comits techniques de lISO. Chaque comit membre intress par une tude a le droit de faire partie du comit technique cr cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en liaison avec lISO participent galement aux travaux. LISO colla
18、bore troitement avec la Commission lectrotechnique internationale (CEI) en ce qui concerne la normalisation lectrotechnique. Les Normes internationales sont rdiges conformment aux rgles donnes dans les Directives ISO/CEI, Partie 2. La tche principale des comits techniques est dlaborer les Normes int
19、ernationales. Les projets de Normes internationales adopts par les comits techniques sont soumis aux comits membres pour vote. Leur publication comme Normes internationales requiert lapprobation de 75 % au moins des comits membres votants. Lattention est appele sur le fait que certains des lments du
20、 prsent document peuvent faire lobjet de droits de proprit intellectuelle ou de droits analogues. LISO ne saurait tre tenue pour responsable de ne pas avoir identifi de tels droits de proprit et averti de leur existence. LISO 7876-4 a t labore par le comit technique ISO/TC 22, Vhicules routiers, sou
21、s-comit SC 7, quipements dinjection et filtres pour application aux vhicules routiers. Cette deuxime dition annule et remplace la premire dition (ISO 7876-4:1994), dont les dfinitions 3.2 3.4, 4.2, 4.3, 5.1 5.3 et 5.6 ont fait lobjet dune rvision technique. LISO 7876 comprend les parties suivantes,
22、prsentes sous le titre gnral quipement dinjection de combustible Vocabulaire: Partie 1: Pompes dinjection de combustible Partie 2: Porte-injecteurs de combustible complets Partie 3: Injecteurs-pompes Partie 4: Tuyauteries et raccords haute pression Partie 5: Systme dinjection de combustible rampe co
23、mmune BSISO78764:2004NITERNATNOIAL STANDARD ONMRI ENTENRATIONALE IS-6787 O4:(4002E/)F1Fuel injection equipment Vocabulary Part 4: High-pressure pipes and end-connections quipement dinjection de combustible Vocabulaire Partie 4: Tuyauteries et raccords haute pression 1 Scope 1 Domaine dapplication Th
24、is part of ISO 7876 establishes a vocabulary for high-pressure pipes and end-connections in fuel injection systems for diesel (compression-ignition) engines. These high-pressure pipes and end-connections are used in fuel injection systems worldwide and require precise terminology. NOTE When the word
25、 “fuel” is used in the terms listed it can be omitted providing there can be no misunderstanding.La prsente partie de lISO 7876 tablit un vocabulaire relatif aux tubes et raccords haute pression utiliss dans les systmes dinjection de combustible des moteurs diesels ( allumage par compression). Ces t
26、ubes et raccords haute pression sont mondialement utiliss dans les systmes dinjection et, de ce fait, ncessitent une terminologie prcise. NOTE Les mots de combustible peuvent tre omis dans les termes dfinis condition quil nen rsulte aucune erreur dinterprtation. 2 Normative references 2 Rfrences nor
27、matives The following referenced documents are indispensable for the application of 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 8535-1, Compression ignition engines
28、Steel tubes for high-pressure fuel injection pipes Part 1: Requirements for seamless cold-drawn single-wall tubes ISO 8535-2, Compression ignition engines Steel tubes for high-pressure fuel injection pipes Part 2: Requirements for composite tubes Les documents de rfrence suivants sont indispensables
29、 pour lapplication du prsent document. Pour les rfrences dates, seule ldition cite sapplique. Pour les rfrences non dates, la dernire dition du document de rfrence sapplique (y compris les ventuels amendements). ISO 8535-1, Moteurs allumage par compression Tubes en acier pour lignes dinjection de co
30、mbustible haute pression Partie 1: Caractristiques des tubes monoparoi sans soudure tirs froid ISO 8535-2, Moteurs allumage par compression Tubes en acier pour lignes dinjection haute pression Partie 2: Caractristiques des tubes composites BSISO78764:2004 2 3 Basic definitions 3 Dfinitions de base 3
31、.1 high-pressure fuel injection pipe cut length of steel tube complying with ISO 8535-1 or ISO 8535-2 3.1 ligne dinjection de combustible haute pression segment dun tube dacier conforme lISO 8535-1 ou lISO 8535-2 3.2 high-pressure fuel injection pipe assembly high-pressure fuel injection pipe (3.1)
32、fitted with a connector nut (5.4) at both ends and with each pipe end fabricated to couple with a female cone (5.2) NOTE The pipe may or may not have preformed bends for its intended use and may include additional components for specific applications. 3.2 ligne assemble dinjection de combustible hau
33、te pression ligne dinjection de combustible haute pression (3.1) munie dun crou de raccord (5.4) aux deux extrmits, toutes deux destines pouvoir tre accouples un cne femelle (5.2) NOTE Selon lusage envisag, le tuyau peut comporter ou non des coudes et peut inclure des composants supplmentaires pour
34、des applications spcifiques. 3.3 assembled pipe set two or more high-pressure fuel injection pipe assemblies (3.2) held together by an assembly clamp (6.2) for placement on an engine NOTE A given pump application may be comprised of more than one pipe set. 3.3 jeu de lignes assembles deux ou plusieu
35、rs lignes assembles dinjection de combustible haute pression (3.2) maintenues ensemble par des clips (6.2) pour installation sur un moteur NOTE Une application de pompe donne peut comporter plus dun jeu de lignes. 3.4 end-connection components and features which enable the high- pressure fuel inject
36、ion pipe assembly (3.2) to be coupled to the fuel injection pump and injector NOTE For definitions of fuel injection pump and injector, see ISO 7876-1 and ISO 7876-2, respectively. 3.4 raccord final ensemble dlments permettant laccouplement des lignes assembles dinjection de combustible haute pressi
37、on (3.2) la pompe dinjection et au porte-injecteur de combustible complet NOTE Pour une dfinition de pompe dinjection et de porte-injecteur, voir lISO 7876-1 et lISO 7876-2, respectivement. 4 Fuel injection tubes 4 Tubes dinjection de combustible 4.1 seamless tube seamless cold-drawn single-wall tub
38、e complying with ISO 8535-1 4.1 tube sans soudure tube monoparoi sans soudure, tir froid, conforme lISO 8535-1 4.2 composite tube multi-layered walled tube complying with ISO 8535-2 and having an internal bore which may or may not have a seam 4.2 tube composite tube multiparoi conforme lISO 8535-2 p
39、ossdant un alsage intrieur qui peut ou peut ne pas comporter une soudure BSISO78764:2004 34.2.1 seamed composite tube wrapped tube composite tube (4.2) with a seam on the internal bore and a cross-sectional structure in the form of a spiral 4.2.1 tube composite avec soudure tube enroul tube composit
40、e (4.2) dont lalsage intrieur comporte une soudure et dont la structure transversale est en forme de spirale 4.2.2 seamless composite tube composite tube (4.2) with a seamless inner (liner) tube and an outer tube which may be seamless or wrapped 4.2.2 tube composite sans soudure tube composite (4.2)
41、 compos dun tube extrieur pouvant tre sans soudure ou enroul, garni dun tube intrieur (doublure) sans soudure 4.3 bore grade quantitative description of the number and depth of imperfections allowed on the inner surface of the tube related to the tube cross-section NOTE Bore grade applies only to tu
42、bes with a seamless internal bore. 4.3 classe dalsage description quantitative du nombre et de la profondeur des imperfections admissibles sur la surface interne du tube en fonction de la section droite du tube NOTE La classe dalsage ne sapplique quaux tubes dont la surface intrieure est sans soudur
43、e. 5 End-connections (see 3.4) 5 Raccords finaux (voir 3.4) 5.1 sealing face contact surface which forms the high-pressure seal between the high-pressure fuel injection pipe assembly (3.2) and the female cone (5.2) of the end-connection (3.4) to which it is coupled 5.1 face de joint surface de conta
44、ct formant la garniture haute pression entre la ligne assemble dinjection de combustible haute pression (3.2) et le cne femelle (5.2) du raccord final (3.4) auquel elle est accouple 5.2 female cone conical fitting which couples to a high-pressure fuel injection pipe assembly (3.2) NOTE Standardized
45、female cones can be found in ISO 2974. 5.2 cne femelle raccord conique saccouplant une ligne assemble dinjection de combustible haute pression (3.2) NOTE Les cnes femelles normaliss sont spcifis dans lISO 2974. 5.3 connection end fabricated end of a high-pressure fuel injection pipe assembly (3.2) w
46、ithout the connector nut (5.4) which couples to a female cone (5.2) NOTE Standardized connection ends can be found in ISO 2974, however the exact design of the connection may vary. 5.3 extrmit de raccord extrmit faonne dune ligne assemble dinjection de combustible haute pression (3.2) sans lcrou de
47、raccord (5.4) saccouplant avec un cne femelle (5.2) NOTE Les extrmits de raccord normalises sont spcifies dans lISO 2974, cependant, la structure exacte de raccord peut varier. BSISO78764:2004 4 5.4 connector nut union nut component of a high-pressure fuel injection pipe assembly (3.2) which secures
48、 the connection end (5.3) to the female cone (5.2) 5.4 crou de raccord lment dune ligne assemble dinjection de combustible haute pression (3.2) fixant lextrmit de raccord (5.3) au cne femelle (5.2) 5.5 connector collar optional component placed between the connector nut (5.4) and the connection end (5.3) of the high- pressure fuel injection pipe assembly (3.2), used where necessary to improve coupling conditions 5.5 fourr
