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本文(NAVY MIL-DTL-24704 B-2011 FLANGES FOUR BOLT SQUARE HYDRAULIC GENERAL SPECIFICATION FOR《液压四螺栓方形法兰一般规范》.pdf)为本站会员(figureissue185)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

NAVY MIL-DTL-24704 B-2011 FLANGES FOUR BOLT SQUARE HYDRAULIC GENERAL SPECIFICATION FOR《液压四螺栓方形法兰一般规范》.pdf

1、Comments, suggestions, or questions on this document should be addressed to: Commander, Naval Sea Systems Command, ATTN: SEA 05S, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandardsnavy.mil, with the subject line “Document Comment”. Since contact

2、information can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 4810 INCH-POUND MIL-DTL-24704B(SH) 4 October 2011 SUPERSEDING MIL-F-24704A(SH) 23 March 1992 DETAIL SPECIFICATION FLANGES, FOUR BOLT SQ

3、UARE, HYDRAULIC GENERAL SPECIFICATION FOR This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope1.2 . This specification covers the requirement for a 4-

4、bolt, square flange for use in 3000 pounds per square inch (lb/in) hydraulic systems. Classification6.2. Flanges are designated by part identification number, as specified on the applicable specification sheet (see ). 1.2.1 Material requirement1.2.2 . The material requirement is designated by a lett

5、er. The material is designated in the applicable specification sheet. Vent requirement2. APPLICABLE DOCUMENTS . The vent requirement is designated by a letter. The letter designation and location for the vent port on a given flange should be in accordance with the applicable specification sheet. 2.1

6、 General2.2 . The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure th

7、e completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. Government documents2.2.1 . Specifications, standards, and handbooksDEPARTMENT OF DEFENSE SPECIFIC

8、ATIONS . The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. MIL-DTL-24704/1 - Flanges, Four Bolt Square, Socket Weld for Hydraul

9、ic Systems MIL-F-24704/2 - Flanges, Four Bolt Square, Butt Weld for Hydraulic Systems MIL-F-24704/4 - Flanges, Four Bolt Square, Blind for Hydraulic Systems Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704B(SH) 2 MIL-F-24704/5 - Flanges,

10、 Four Bolt, Insert Rings for Hydraulic Systems (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or https:/assist.daps.dla.mil.) 2.3 Non-Government publicationsASME INTERNATIONAL . The following documents form a part of this document to the extent specified h

11、erein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. ASME B46.1 - Surface Texture, Surface Roughness, Waviness and Lay (Copies of this document are available from ASME International, 2 Law Drive, P.O. Box 2900, Fairfield, NJ 07007-2900 or

12、online at www.asme.org.) ASTM INTERNATIONAL ASTM E1282 - Standard Guide for Specifying the Chemical Compositions and Selecting Sampling Practices and Quantitative Analysis Methods for Metals, Ores, and Related Materials (Copies of this document are available from ASTM International, 100 Barr Harbor

13、Drive, P.O. Box C700, West Conshohocken, PA 19428-2959 or online at www.astm.org.) SAE INTERNATIONAL SAE-AMS-QQ-S-763 - Steel Bars, Wire, Shapes, and Forgings; Corrosion Resistant (Copies of this document are available from SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or

14、 online at www.sae.org.) 2.4 Order of precedence3. REQUIREMENTS . Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Noth

15、ing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3.1 Specification sheets3.2 . The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet. In the event of any conflict

16、 between the requirements of this specification and the specification sheet, the latter shall govern. Materials3.2.1 . Flanges shall be manufactured from materials designated in the applicable specification sheet. Recycled, recovered, or environmentally preferable materials3.2.2 . Recycled, recovere

17、d, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. Material composition 6.2. When specified (see ), a chemical ana

18、lysis shall be performed in accordance with ASTM E1282 for verification of material composition. Materials not in accordance with this specification or the applicable specification sheets shall be cause for rejection. 3.3 MachiningAppendix A. The flange shall be machined to the configuration and dim

19、ensions as specified herein and on the applicable specification sheet (see ). 3.4 Surface finish 6.2. Unless otherwise specified (see ), surface roughness shall not exceed 125 microinches (see 4.1.3 for surface finish inspection method). Surface finish for sealing surface shall be in accordance with

20、 the applicable specification sheet. Machined surfaces shall have no burrs. Sharp edges and corners shall be rounded to a radius of 0.005 inch, minimum. Non-machined surfaces, such as forged surfaces and bar stock flats, shall have no fins, cracks, or spongy areas. Provided by IHSNot for ResaleNo re

21、production or networking permitted without license from IHS-,-,-MIL-DTL-24704B(SH) 3 3.5 Identification markinga. Part identification number (see . Each flange shall be clearly and permanently marked with the following information: 1.2). b. Manufacturers name, trademark, or logo. c. Manufacturers pa

22、rt number (optional). d. Pressure rating. 3.6 Workmanship4. VERIFICATION . Flanges shall be free from detrimental grooving, indentations, flaws, cracks, lamination, surface pitting, inclusions, and slivers which would interfere in their use and shall be free from dirt, corrosion, and other extraneou

23、s material. 4.1 Conformance inspection 4.1.2. Conformance inspection shall consist of the examination as specified in . 4.1.1 Sampling 6.2. Unless otherwise specified (see ), sampling for conformance inspection shall be as specified in 4.1.1.1 through 4.1.1.3. 4.1.1.1 Inspection lot4.1.1.2 . A lot s

24、hall consist of finished flanges which are of the same material, type, size, fabricated by the same process, and produced as one continuous run or order, or part thereof, and submitted for acceptance inspection at the same time. Sampling for examination. A random sample of flanges shall be selected

25、from each lot and inspected in accordance with table I. The sampling plans in table II shall be utilized in accordance with the classification of defects in table I. TABLE I. Classification of defectsCategories . Defects Inspection method Major 101 Surface finish not as specified on sealing face (se

26、e 3.4) 4.1.3 102 Flange size not as specified (see 3.3) SIE 1/103 Sealing face not machined as specified (see 3.3) SIE 104 Bore dimensions not as specified (see 3.3) SIE 105 Bolt holes not located or drilled properly (see 3.3) SIE 106 Vent location not as specified (see 3.3) SIE 107 Material composi

27、tion not as specified (see 3.2) ASTM E1282 108 Flange style not as specified (see 3.3) SIE 109 Workmanship defects (see 3.6) Visual Minor 201 Surface finish not as specified (not including sealing face) (see 3.4 ) 4.1.3 202 Flange not properly marked (see 3.5) Visual NOTE: 1/ Standard inspection equ

28、ipment (SIE). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704B(SH) 4 TABLE II. Sampling plan for major and minor defectsLot size . Sample size Accept Reject 1 to 13 Entire lot 0 1 14 to 150 13 0 1 151 to 280 20 0 1 281 to 500 29 0 1 501

29、 to 1200 34 0 1 1201 to 3200 42 0 1 NOTES: 1.All defective items shall be replaced with acceptable items prior to lot acceptance. 2.Stop inspecting samples when reject criteria is reached. 4.1.1.3 Rejection4.1.2 . Any flange in the sample which contains 1 or more defects shall be rejected. If the nu

30、mber of defective flanges in any sample exceeds the acceptance number for that sample, the entire lot shall be rejected. Examination 4.1.1.2. Each flange taken as specified (see ) shall be examined as specified in table I to verify conformance to this specification. 4.1.3. Surface finish inspection

31、method5. PACKAGING . Surface roughness shall be identified in accordance with ASME B46.1. The determination of surface finishes shall be made with a profilometer, comparator brush analyzer, or other comparison equipment with an accuracy of 15 percent at the level being measured. Surface finishes on

32、sealing finish not in accordance with this specification or the applicable specification sheet shall be cause for rejection. 5.1 Packaging6.2. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see ). When packaging of materiel is to be performed by

33、DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Points packaging activities within the Military Service or Defense Agency, or within the milita

34、ry services system commands. Packaging data retrieval is available from the managing Military Departments or Defense Agencys automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory nature

35、 that may be helpful, but is not mandatory.) 6.1 Intended use6.2 . Flanges covered by this specification are intended for use in 3000 lb/in hydraulic systems that operate under conditions that impose mechanically induced shock on system piping and components. Acquisition requirementsa. Title, number

36、, and date of this specification. . Acquisition documents should specify the following: b. Title, number, and date of applicable specification sheet. c. Specification sheet part number required (see 1.2). d. If material verification by analysis is required (see 3.2.2). e. If surface roughness measur

37、ements are other than specified (see 3.4). f. If conformance sampling is other than specified (see 4.1.1). g. Level of preservation, level of packing, and other packaging acquisitioning options required (see 5.1). Provided by IHSNot for ResaleNo reproduction or networking permitted without license f

38、rom IHS-,-,-MIL-DTL-24704B(SH) 5 6.3 Subject term (key word) listingFlange, right angle . Flange, straight Flange style, pipe Flange style, tube 6.4 Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent

39、of the changes. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704B(SH) APPENDIX A 6 FLANGE INTERFACE AND ASSEMBLY INSTRUCTIONS A.1. SCOPE A.1.1 ScopeA.2. APPLICABLE DOCUMENTS . This Appendix details the interface machining configuration f

40、or the 4-bolt flange and the assembly instructions. This Appendix is not a mandatory part of the specification. The information contained herein is intended for guidance only. A.2.1 GeneralA.2.2 . The documents listed in this section are specified in sections 3 or 4 of this appendix. This section do

41、es not include documents cited in other sections of this standard or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sect

42、ions 3 or 4 of this appendix, whether or not they are listed. Government documentsA.2.2.1 . Specifications, standards, and handbooksCOMMERCIAL ITEM DESCRIPTIONS . The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise spec

43、ified, the issues of these documents are those cited in the solicitation or contract. A-A-59004 - Anti-Galling Compound, Thread Lubricating, Seizing Resistant, and Calcium Hydroxide Containing DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-F-24704/5 - Flanged, Four Bolt, Insert Sleeves for Hydraulic Syste

44、ms MIL-I-45932 - Inserts, Screw Thread Thin Wall, Locked In (Copies of these documents are available online at https:/assist.daps.dla.mil/quicksearch/ or https:/assist.daps.dla.mil.) A.2.3 Non-Government publicationsAEROSPACE INDUSTRIES ASSOCIATION (AIA) . The following documents form a part of this

45、 document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. NAS1351 - Screw, Cap, Socket Head, Undrilled and Drilled, Plain and Self-Locking, Alloy Steel, Corrosion-Resistant Steel and Heat-Resistant Steel, UNRF

46、-3A NASM7838 - Bolt, Internal Wrenching, 160 KSI, FTU NASM8846 - Inserts, Screw Thread, Helical Coil (Copies of these documents are available from Aerospace Industries Association, 1000 Wilson Boulevard, Suite 1700, Arlington, VA 22209-3901 or online at www.aia-aerospace.org.) Provided by IHSNot for

47、 ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24704B(SH) APPENDIX A 7 SAE INTERNATIONAL SAE-AMS7276 - Rings, Sealing, Fluorocarbon (FKM) Rubber High-Temperature-Fluid Resistant Low Compression Set 70 to 80 SAE-AS3209 - Packing, Preformed-AMS 7276, O Ring (Copies

48、 of these documents are available from SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or online at www.sae.org.) A.2.4 Order of precedenceA.3. INTERFACE CONNECTION . Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this docum

49、ent and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. A.3.1 Interface connection. The interface configurations or cavities for the flanges covered by this specification are identified on figure A-1. FIGURE A-1. Machining dimensions. EFEF0.010 M P “J“ B

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