SAE-J514-2004.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 2004 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 STANDARD J514 REV. SEP2004 Issued1950-05 Revised2004-09 Superseding J514 JUL2001 Hydraulic Tube Fittings 1.Scope. This SAE Standard covers complete general and dimensional specifications for 3
5、7 degree flared and flareless types of hydraulic tube fittings and O-ring plugs. Also included are pipe fittings and adapter unions for use in conjunction with these tube fittings. These fittings are intended for general application in hydraulic systems on industrial equipment and commercial product
6、s. These fittings are capable of providing leakproof, full flow connections in hydraulic systems operating at working pressures as specified in Table 1 for respective sections. Since many factors influence the pressure at which a hydraulic system will or will not perform satisfactorily, the values s
7、hown in SAE J1065 should not be construed as a guaranteed minimum. For any application, it is recommended that sufficient testing be conducted and reviewed by both the user and fitting manufacturer to assure that performance levels will be safe and satisfactory. SAE J514 Revised SEP2004 -2- The stan
8、dard is divided into six sections as follows: Section 137 Degree Flare Tube Fittings Section 2Flareless Tube Fittings Section 3O-ring Plugs (for O-ring Ports see SAE J1926) Section 4Hydraulic Pipe Fittings (formerly SAE J926) Section 5Adapter Unions (formerly in SAE J516) Section 6Tables for Calcula
9、ting Dimensions on Special Sizes 2.References 2.1Applicable Publications. The following publications form a part of this specification to the extent specified herein. The latest issue of SAE publications shall apply. 2.1.1SAE PUBLICATIONS. Available from SAE, 400 Commonwealth Drive, Warrendale, PA 1
10、5096-0001. SAE J343Tests and Procedures for SAE 100R Series Hydraulic Hose and Hose Assemblies SAE J405Chemical Compositions of SAE Wrought Stainless Steels SAE J476Dryseal Pipe Threads SAE J533Flares for Tubing SAE J1065Pressure Ratings for Hydraulic Tubing and Fittings 2.1.2ANSI PUBLICATION. Avail
11、able from ANSI, 11 West 42nd Street, New York, NY 10036-8002. ANSI B1.20.1American Standard Straight Pipe Thread for Mechanical Joints ANSI B1.20.3Dryseal Pipe Threads (Inch) 2.1.3ASTM PUBLICATION. Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. ASTM B 117Method of Salt
12、 Spray (Fog) Testing TABLE 1WORKING PRESSURE RATINGS(d) CAPABLE OF 4 TO 1 MINIMUM BURST Nom SAE Dash Size Nom Tube OD mm Nom Tube OD in Straight Thread Size Nom Pipe Size Rigid(a) SAE St. Threads Unions and Bulkheads MPa Rigid(a) SAE St. Threads Unions and Bulkheads psi Adjustable(b) SAE St. Threads
13、 and Female Swivels MPa Adjustable(b) SAE St. Threads and Female Swivels psi Fittings(c) With Pipe Threads MPa Fittings(c) With Pipe Threads psi 2 3.180.125 5/16-24 1/834.5500034.5500034.55000 3 4.760.188 3/8 -24 1/834.5500034.5500034.55000 4 6.350.250 7/16-20 1/834.5500031450034.55000 5 7.940.313 1
14、/2 -20 1/834.5500027.5400034.55000 6 9.520.375 9/16-18 1/434.5500027.5400027.54000 812.700.500 3/4 -16 3/831450027.54000213000 1015.880.625 7/8 -14 1/2243500213000213000 1219.050.7501-1/16-12 3/4243500213000172500 1422.220.8751-3/16-12 3/4213000172500172500 1625.401.0001-5/16-121213000172500142000 2
15、031.751.2501-5/8 -121-1/4172500142000 81150 2438.101.5001-7/8 -121-1/214200010.51500 71000 3250.802.0002-1/2 -12210.51500 81125 71000 (a) For fittings in Sections 1, 2, and 3. (b) For fittings in Sections 1 and 2. (c) For fittings in Sections 1, 2, and 4. (d) Working pressures given are for low carb
16、on steel fittings only. Consult the manufacturer for values for other materials. -,-,- SAE J514 Revised SEP2004 -3- 3.General Specifications. The following general specifications supplement the dimensional data contained in Tables 3 to 21 with respect to all unspecified detail. 3.1Size Designations.
17、 Fitting sizes are designated by the corresponding outside diameter of the tubing for the various types of tube ends and by the corresponding standard nominal pipe size for pipe thread ends. See SAE J846 for proper coding and call-out. 3.2Dimensions and Tolerances. Except for nominal sizes and threa
18、d specifications, dimensions and tolerances are given in both SI Units and U.S. Customary as designated. Tabulated dimensions shall apply to the finished parts, plated or otherwise processed, as specified by the purchasers. Hex tolerances across flats are listed in Table 1A. The minimum across-corne
19、rs dimensions of hexagons shall be 1.092 times the nominal width across flats, but shall not result in a side-flat width less than 0.43 times the nominal width across flats. The minimum across-corners dimensions of external squares shall be 1.25 times the nominal width across flats, but shall not re
20、sult in a side-flat width less than 0.75 times the nominal width across the flats. TABLE 1AHEX TOLERANCES Tolerance on all dimensions not otherwise limited shall be 0.4 mm (0.016 in). Fitting seats shall be concentric with straight thread pitch diameters within 0.25 mm (0.010 in) full indicator move
21、ment (FIM). Unless otherwise specified, tolerance on hole diameters designated drill in the dimensional tables shall be as tabulated in Table 1B: TABLE 1BDRILL TOLERANCES Angular tolerance on axis of ends on elbows, tees, and crosses shall be 2.50 degrees for 1/8 to 3/8 in tube fittings or 1/8 and 1
22、/4 pipe fittings; 1.50 degrees for 1/2 to 2 in O.D. tube fittings or 3/8 to 2 in pipe fittings. Where so illustrated and not otherwise specified, hexagon corners shall be chamfered 15 to 30 degrees to a diameter equal to the width across flats, with a minus tolerance of 0.4 mm (0.016 in); or where d
23、esign permits, corners may be chamfered to the diameter of the abutting surface providing the length of chamfer does not exceed that produced by the 30 degree chamfer previously described. Alternatively, on connections other than SAE straight thread, a 5 degree chamfer starting at the undercut diame
24、ter behind the threads or outside diameter of the threads shall be allowed, providing the hex width at corners is not reduced below that produced by the 30 degree chamfer previously described. Nominal Hex Size Across Flats mm Over Nominal Hex Size Across Flats mm Include Nominal Hex Size Across Flat
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