SAE J514-2001 液压管接头.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 therefrom is
2、 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 TO PLACE A DOCUMENT ORDER 01 724 776 4970 FAX 01 724 776 0790 SAE WEB ADDRESS http www sae org Co
3、pyright 2001 Society of Automotive Engineers Inc All rights reserved Printed in U S A SURFACE VEHICLE 400 Commonwealth Drive Warrendale PA 15096 0001 STANDARD J514 REV JUL2001 Issued1950 05 Revised2001 07 Superseding J514 JUN98 Hydraulic Tube Fittings 1 Scope This SAE Standard covers complete genera
4、l and dimensional specifications for 37 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 industr
5、ial equipment and commercial products 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 per
6、form satisfactorily the values shown 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
7、 Revised JUL2001 2 The standard is divided into six sections as follows Section 1 37 Degree Flare Tube Fittings Section 2 Flareless Tube Fittings Section 3 O ring Plugs for O ring Ports see SAE J1926 Section 4 Hydraulic Pipe Fittings formerly SAE J926 Section 5 Adapter Unions formerly in SAE J516 Se
8、ction 6 Tables for Calculating 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 Dr
9、ive Warrendale PA 15096 0001 SAE J343 Tests and Procedures for SAE 100R Series Hydraulic Hose and Hose Assemblies SAE J405 Chemical Compositions of SAE Wrought Stainless Steels SAE J476 Dryseal Pipe Threads SAE J533 Flares for Tubing SAE J1065 Pressure Ratings for Hydraulic Tubing and Fittings 2 1 2
10、ANSI PUBLICATION Available from ANSI 11 West 42nd Street New York NY 10036 8002 ANSI B1 20 1 American Standard Straight Pipe Thread for Mechanical Joints ANSI B1 20 3 Dryseal Pipe Threads Inch 2 1 3ASTM PUBLICATION Available from ASTM 100 Barr Harbor Drive West Conshohocken PA 19428 2959 ASTM B 117
11、Method of Salt Spray Fog Testing TABLE 1 WORKING 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 T
12、hreads 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
13、1 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 203
14、1 751 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 carbon steel fittings on
15、ly Consult the manufacturer for values for other materials SAE J514 Revised JUL2001 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 Fitting sizes are designated by
16、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 thread specifications dimensions and tole
17、rances 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 corners dimensions of hexagons shall be 1 092 ti
18、mes 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 result in a side flat width less than 0 75 times
19、 the nominal width across the flats TABLE 1A HEX 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 movement FIM Unless otherwise specified tolerance on ho
20、le diameters designated drill in the dimensional tables shall be as tabulated in Table 1B TABLE 1B DRILL 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 4 pipe fittings 1 50 degrees for 1 2 to 2 in O D tube fi
21、ttings 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 design permits corners may be chamfered to the diameter of the abu
22、tting 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 diameter behind the threads or outside diameter of the threads shall be al
23、lowed 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 Flats in Over Nominal Hex Size Across Flats in Include Tolerance Minus Only
24、 mm Tolerance Minus Only in 19 05 0 7500 30 012 19 0525 400 7501 0000 40 016 25 4034 921 0001 3750 50 020 34 92AND UP1 375AND UP0 80 031 Drill Size Range mm Drill Size Range in Tolerance mm Plus Tolerance mm Minus Tolerance in Plus Tolerance in Minus 0 35 6 25 0 0135 0 2460 080 080 0030 003 6 35 12
25、70 0 250 0 5000 100 100 0040 004 13 10 19 05 0 516 0 7500 130 130 0050 005 19 40 25 40 0 765 1 0000 180 130 0070 005 25 80 38 10 1 016 1 5000 200 130 0080 005 38 501 516 and over0 250 130 0100 005 SAE J514 Revised JUL2001 4 3 3Passages Where passages in straight fittings are machined from opposite e
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