J2044_2002-09-Stand-09-2002-Englisch.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2002 Society of Automotive Engineers, Inc. All rights reserved. No part of
3、this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER:Tel: 877-606-7323 (inside USA and Canada) Tel: 724-776-4
4、970 (outside USA) Fax: 724-776-0790 Email: custsvcsae.org SAE WEB ADDRESS:http:/www.sae.org SURFACE VEHICLE RECOMMENDED PRACTICE J2044 REV. SEP2002 Issued1992-06 Revised2002-09 Superseding J2044 DEC1997 Quick Connect Coupling Specification for Liquid Fuel and Vapor/Emissions Systems TABLE OF CONTENT
5、S 1.Scope. 3 2.References. 3 2.1Applicable Publications 3 2.1.1SAE Publications 3 2.1.2ASTM Publication 3 2.2Related Publication 3 2.2.1SAE Publication 3 3.Definitions.3 4.Size Designation 4 5.Test Temperatures . 4 6.Functional Requirements4 6.1Leak Test 4 6.1.1Test Procedure (Low Pressure)4 6.1.2Ac
6、ceptance Criteria 4 6.1.3Test Procedure (High Pressure). 4 6.1.4Acceptance Criteria 6 6.1.5Test Procedure (VACUUM) 6 6.1.6Acceptance Criteria 6 6.2Assembly Effort 6 6.2.1Test Procedure (New Parts). 6 6.2.2Test Procedure. 7 6.2.3Acceptance Criteria 7 6.3Pull-Apart Effort 7 6.3 1Test Procedure. 7 6.3.
7、2Acceptance Criteria 8 6.4Side Load Capability 8 6.4.1Test Procedure. 9 6.4.2Acceptance Criteria (Side Load Leak Test) 9 SAE J2044 Revised SEP2002 -2- 6.4.3Test Requirement (Side Load Fracture Test).9 6.4.4Acceptance Criteria 9 6.5Resistance to Evaporative Emissions.10 6.5.1Test Procedure .10 6.5.2A
8、cceptance Criteria 10 6.6Electrical Resistance 10 6.6.1Test Procedure .10 6.6.2Acceptance Criteria 10 7.Design Verification/Validation Testing 11 7.1Corrosion 11 7.1.1Test Procedure .11 7.1.2Acceptance Criteria 11 7.2Zinc Chloride Resistance 11 7.2.1Test Procedure .11 7.2.2Acceptance Criteria 11 7.3
9、External Chemical and Environmental Resistance.11 7.3.1Test Procedure .11 7.3.2Fluid or Medium 12 7.3.3Acceptance Criteria 12 7.4Fuel Compatibility .12 7.4.1Test Procedure .12 7.4.2Test Fuels.12 7.4.3Test Requirement .12 7.4.4Acceptance Criteria 12 7.5Life Cycle 13 7.5.1Test Procedure .13 7.5.2Vibra
10、tion Frequency13 7.5.3Acceleration13 7.5.4Vibration Duration .13 7.5.5Fluid Pressure.13 7.5.6Fluid Flow (Liquid Fuel Quick Connectors Only).13 7.5.7Test Duration 13 7.5.8Test Cycle.14 7.5.9Acceptance Criteria 15 7.6Flow Restriction 16 7.7Elevated Temperature Burst.16 7.7.1Test Procedure .16 7.7.2Acc
11、eptance Criteria 17 8.Design Verification/Validation and In-Process Testing Matrix 17 9.Notes 17 9.1Marginal Indicia.17 Appendix A Mating Tube End Template Examples18 SAE J2044 Revised SEP2002 -3- 1.ScopeThis SAE Recommended Practice defines standard tube end form dimensions so as to guarantee inter
12、changeability between all connector designs of the same size and the standard end form. This document also defines the minimum functional requirements for quick connect couplings between flexible tubing or hose and rigid tubing or tubular fittings used in supply, return, and vapor/emissions in fuel
13、systems. This document applies to automotive and light truck applications under the following conditions: a.Gasoline and diesel fuel delivery systems or their vapor venting or evaporative emission control systems. b.Operating pressure up to 500 kPa, 5 bar, (72 psig). c.Operating vacuum down to 50 kP
14、a, 0.5 bar (7.2 psi). d.Operating temperatures from 40 C (40 F) to 115 C (239 F). Quick connect couplings function by joining the connector to a mating tube end form then pulling back to assure a complete connection. The requirements stated in this document apply to new connectors in assembly operat
15、ions unless otherwise indicated. For service operations, the mating tube should be lubricated with SAE 30-weight oil before re-connecting. NOTE New connector designs using the same materials as previously tested connectors may use the original results as surrogate data for 7.1, 7.2, 7.3, and 7.4. Ve
16、hicle OEM fuel system specifications may impose additional requirements beyond the scope of this general SAE document. In those cases, the OEM specification takes precedence over this document. 2.References 2.1Applicable PublicationsThe following publications form a part of this specification to the
17、 extent specified herein. Unless otherwise specified, the latest issue of SAE publications shall apply. 2.1.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J1645Fuel SystemElectrostatic Charge SAE J1681Gasoline, Alcohol, and Diesel Fuel Surrogates for Mate
18、rials Testing SAEJ1737Test Procedure to Determine the Hydrocarbon Losses from Fuel Tubes, Hoses, Fittings, and Fuel Line Assemblies by Recirculation SAE J2045Performance Requirements for Fuel System Tubing Assemblies 2.1.2ASTM PUBLICATIONAvailable from ASTM, 100 Barr Harbor Drive, West Conshohocken,
19、 PA 19428-2959. ASTM B 117Method of Salt Spray (Fog) Testing 2.2Related PublicationThe following publication is provided for information purposes only and is not a required part of this specification. 2.2.1SAE PUBLICATIONAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J30F
20、uel and Oil Hoses 3.Definitions 3.1Unexposed couplingOne that has not been used or deteriorated since manufacture. 3.2LotA group of couplings that can be traced to a single assembly set-up or material lot. No more than one week production in a lot. SAE J2044 Revised SEP2002 -4- 4.Size DesignationThe
21、 following system of size designations apply to the tube end and connector portions of quick connect couplings. The connector size designation consists of two numbers. The first number designates the OD of the mating tube end. The second number designates the tubing size suited for the stem. EXAMPLE
22、9.5 mm x 8 mm connector fits a 9.5 mm male and 8 mm flexible tubing or hose. The mating tube end size designations refers to the nominal OD of the sealing surface. Refer to Figure 1 for an illustration of this Coupling Nomenclature. FIGURE 1CONNECTOR NOMENCLATURE Details for standard coupling sizes
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