SAE J 518-3-2015 Hydraulic Flange Clamps 2-Screw Flange Connection to be used with SAE J518-1(Code 61) Connections where Only Low Pressure is Required.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 ther

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4、70 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/J518/3_201511 SURFACE VEHICLE STANDARD J518-3 NOV2015 Issued 2015-11 Hydraulic F

5、lange Clamps, 2-Screw Flange Connection to be used with SAE J518-1 (Code 61) Connections where Only Low Pressure is Required RATIONALE Standardize 2-Screw Flange connections currently being used in conjunction with low pressure SAE J518-1 connections. FOREWORD The hydraulic industry currently utiliz

6、es 2-Screw Flange Clamps in conjunction with SAE J518-1 (4-Screw) connections, where only low pressure is required. This document will establish standard design criteria for this product category on future designs. 1. SCOPE This SAE standard outlines general and dimensional specifications for Code 6

7、1 flange clamps for use in low pressure applications with J518-1 connections. For port dimensions, port design considerations, and flange head dimensions, please refer to SAE J518-1. The rated working pressure of an assembly shall not exceed the least of all the component working pressure rated valu

8、es. The following general specifications supplement the dimensional data contained in the tables with respect to all unspecified detail. Parts manufactured to this standard are also compatible with ISO 6162-1 port connections and flange heads. 2. REFERENCES 2.1 Applicable Documents The following pub

9、lications form a part of this specification to the extent specified herein. Unless otherwise indicated, the latest issue of SAE publications shall apply. 2.1.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Cana

10、da) or +1 724-776-4970 (outside USA), www.sae.org. SAE J518-1 Hydraulic Flanged Tube, Pipe, and Hose Connections, 4-Screw Flange Connection Part 1: 3.5 MPa to 35 MPa (Code 61) SAE J429 Mechanical and Material Requirements for Externally Threaded Fasteners SAE J846 Coding Systems for Identification o

11、f Fluid Conductors and Connectors SAE J2593 Information Report for the Installation of Fluid Conductors and Connectors SAE INTERNATIONAL J518-3 NOV2015 Page 2 of 9 2.1.2 ASME Publications Available from ASME, P.O. Box 2900, 22 Law Drive, Fairfield, NJ 07007-2900, Tel: 800-843-2763 (U.S./Canada), 001

12、-800-843-2763 (Mexico), 973-882-1170 (outside North America), www.asme.org. ASME B18.22.1 Plain Washers ASME B18.3 2003 Socket Cap, Shoulder, and Set Screws, Hex and Spline Keys (Inch Series) 2.1.3 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Consho

13、hocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM B117 Standard Practice for Operating Salt Spray (Fog) Apparatus ASTM A574 Standard Specification for Alloy Steel Socket-Head Cap Screws 2.1.4 ISO Publications Copies of these documents are available online at http:/webstore.ansi.org/ ISO 4

14、8 Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD) ISO 261 ISO general purpose screw metric threads General Plan ISO 273 Fasteners Clearance holes for bolts and screws ISO 724 ISO general purpose metric screw threads Basic dimensions ISO 725 ISO g

15、eneral purpose inch screw threads Basic dimensions ISO 898-1 Mechanical properties of fasteners made of carbon steel and alloy steel Part 1: Bolts, screws, and studs with specified property classes Coarse thread and fine pitch thread ISO 1302 Geometrical Product Specification Indications of surface

16、texture in technical product documentation ISO 3601-1 Fluid power systems O-ring Part 1: Inside diameters, cross sections, tolerances, and designation code ISO 3601-3 Fluid power systems O-ring Part 3: Quality acceptance criteria ISO 4017 Hexagon head screws Product grades A * represents the dash si

17、ze. SAE INTERNATIONAL J518-3 NOV2015 Page 6 of 9 EXAMPLE: A code 61 flange clamp for use with metric screws made of carbon steel size DN 32 (-20) is: SAE J518-20-05MB6C Figure 1 Assembly drawing flange clamp, flange head, screws, washer, and port Table 1A Dimensions, torques, and pressures for code

18、61 assemblies type 1 Dimensions in mm unless noted Nominal Size O-ring Size Flat Washer (optional) d1 ref Clamp LoadhN Type 1 (Metric Screw) Class 10.9 Maximum Working PressurebMPa Minimum Burst PressurebMPa Metric Size Dash Size d3Screw ThreadcL1 Screw LengthdScrew TorqueeNm +10% / -0% 13 -8 210 M8

19、 13.0 23500 M8 25 32 2.0 8.0 19 -12 214 M10 19.2 41200 M10 30 70 2.0 8.0 25 -16 219 M10 25.6 41200 M10 30 70 2.0 8.0 32 -20 222 M10 32.0 41200 M10 30 70 2.0 8.0 38 -24 225 M12 38.2 63700 M12 35 130 2.0 8.0 51 -32 228 M12 51.0 63700 M12 35 130 2.0 8.0 64 -40 232 M12 63.5 63700 M12 40 130 2.0 8.0 76 -

20、48 237 M16 76.2 108000 M16 50 295 2.0 8.0 89 -56 241 M16 89.0 108000 M16 50 295 2.0 8.0 102 -64 245 M16 101.6 108000 M16 50 295 2.0 8.0 127 -80 253 M16 127.0 108000 M16 55 295 2.0 8.0 SAE INTERNATIONAL J518-3 NOV2015 Page 7 of 9 Table 1B dimensions, torques, and pressures for code 61 assemblies type

21、 2 not for new design Dimensions in mm unless noted Nominal Size O-ring Size Flat Washer (optional) d1 ref Clamp LoadhN Type 2 (Inch Screw)aGrade 8 Maximum Working PressurebMPa Minimum Burst PressurebMPa Metric Size Dash Size d3Screw ThreadfL1 Screw LengthdScrew TorqueeNm +10% / -0% 13 -8 210 M8 13.

22、0 23500 5/16-18 32 32 2.0 8.0 19 -12 214 M10 19.2 41200 3/8-16 32 60 2.0 8.0 25 -16 219 M10 25.6 41200 3/8-16 32 60 2.0 8.0 32 -20 222 7/16g 32.0 63700 7/16-14 38 92 2.0 8.0 38 -24 225 M12 38.2 63700 1/2-13 38 150 2.0 8.0 51 -32 228 M12 51.0 63700 1/2-13 38 150 2.0 8.0 64 -40 232 M12 63.5 63700 1/2-

23、13 44 150 2.0 8.0 76 -48 237 M16 76.2 108000 5/8-11 44 295 2.0 8.0 89 -56 241 M16 89.0 108000 5/8-11 51 295 2.0 8.0 102 -64 245 M16 101.6 108000 5/8-11 51 295 2.0 8.0 127 -80 253 M16 127.0 108000 5/8-11 57 295 2.0 8.0 CAUTION IT IS IMPORTANT THAT ALL SCREWS BE LIGHTLY TORQUED BEFORE APPLYING THE FIN

24、AL RECOMMENED TORQUE VALUES TO AVOID BREAKING THE FLANGE CLAMP DURING INSTALLATION Refer to SAE J2593 for installation instructions. a. Type 2 connections shall not be used for new design. b. Minimum Burst Pressure = Working Pressure X 4. c. Coarse pitch thread in accordance with ISO 261 and ISO 724

25、. d. Screw thread lengths calculated for steel into steel; use of other materials can require different screw lengths. e. These recommended torque values were arrived at by using lubricated screws with a torque coefficient (T = KDF) of 0.17. Net tightening torque depends on many factors, including l

26、ubrication, coating, and surface finish. f. Coarse pitch thread in accordance with ISO 263 and ISO 725 (UNC-2A for screw threads, UNC-2B for port threads). g. ASME B18.22.1 Type B Narrow (HV300) washers sized by matching to the inch screw can be substituted except for the DN 32 (-20) size. To avoid

27、possible interferences, do not substitute for the DN 32 (-20) size. Use of the specified washers might not be compatible with older versions of SAE J518. h. Clamp Load is the design preload necessary to achieve a minimum 4:1 design factor. Torque values are influenced by many factors such as variati

28、ons of friction (both thread and under the head) which may vary due to both design and application conditions. SAE INTERNATIONAL J518-3 NOV2015 Page 8 of 9 Figure 2 Flange clamp Table 2 Flange clamp dimensions Dimensions in mm unless noted Nominal Size d4 0.25 d5 0.25 d6 0.15 L3 0.15 L4 0.5 L6 0.8 L

29、7 0.25 L8 0.25 L9 0.8 r1 ref r2 ref Metric Size Dash Size 13 -8 30.95 24.25 8.9 6.2 12.7 57.9 41.93 20.97 46.0 8.0 23.0 19 -12 38.90 32.15 10.6 6.2 14.2 69.6 52.52 26.26 52.3 8.5 26.2 25 -16 45.25 38.50 10.6 7.5 15.8 75.5 58.58 29.29 58.7 8.5 29.4 32 -20 51.60 43.70 10.6a 7.5 14.2 87.0 66.01 33.01 7

30、3.2 10.5 36.6 38 -24 61.10 50.80 13.3 7.5 15.8 102.5 78.49 39.25 82.6 12.0 41.3 51 -32 72.25 62.75 13.3 9.0 15.8 112.8 88.84 44.42 96.8 12.0 48.4 64 -40 84.95 74.95 13.3 9.0 19.1 127.4 102.39 51.20 108.7 12.5 54.4 76 -48 102.40 90.95 16.7 9.0 22.4 151.1 123.10 61.55 131.1 14.0 65.6 89 -56 115.10 102

31、.40 16.7 10.7 22.4 170.4 139.48 69.74 139.7 15.5 69.9 102 -64 127.80 115.10 16.7 10.7 25.4 182.6 151.67 75.84 152.4 15.5 76.2 127 -80 153.20 140.50 16.7 10.7 28.5 209.1 178.07 89.04 180.9 15.5 90.5 a. Type 2 (inch) to be 12mm .25 SAE INTERNATIONAL J518-3 NOV2015 Page 9 of 9 12. NOTES 12.1 Revision I

32、ndicator A change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only. PREPARED BY SAE HYDRAULIC HOSE AND HOSE FITTINGS COMMITTEE