ANSI ASTM F1122-2004 Standard Specification for Quick Disconnect Couplings (6 in NPS and Smaller)《快速拆卸式联轴节的规范》.pdf

1、Designation: F1122 04 (Reapproved 2015)1An American National StandardStandard Specification forQuick Disconnect Couplings (6 in. NPS and Smaller)1This standard is issued under the fixed designation F1122; the number immediately following the designation indicates the year oforiginal adoption or, in

2、the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1NOTEKeywords section was editorially added in May 2015.1. Scope1.1 This specification covers th

3、e manufacturing data re-quired to produce a variety of styles and sizes of quickdisconnect couplings up to and including NPS 6 for marine usethat ensure interchangeability and safety of operation.1.2 In general, quick disconnect couplings are hose and pipeend fittings that permit quick mechanical at

4、tachment by meansother than bolted or threaded fittings. The method of attach-ment is a male coupling half (adapter) that fits into a femalecoupling half (coupler) of the same size. By closing attachedcam handles, the coupling halves seal, permitting fluids to betransported under pressure through th

5、e quick disconnect cou-pling.1.3 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 The following safety hazards caveat pertains only to

6、 thetest method described in this specification: This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory

7、 limitations priorto use.2. Referenced Documents2.1 ANSI Standards:2B2.1 Pipe ThreadsB16.5 Pipe Flanges and Flanged Fittings, Steel-NickelAlloy,and Other Special AlloysB16.24 Bronze Pipe Flanges and Flanged FittingsB16.42 Ductile Iron Pipe Flanges and Flanged FittingsB31.1 Power Piping Code2.2 MSS S

8、tandards:3MSS-SP-6 Standard Finish for Contact Faces of PipeFlanges and Connecting End Flanges of Valves andFittingsMSS-SP-25 Standard Marking System for Valves, Fittings,Flanges, and UnionsMSS-SP-55 Quality Standard for Steel Castings for Valves,Flanges, and Fittings and Other Piping Components (Vi

9、-sual Method)2.3 ASME Standards:4Section VIII, Division 1 Pressure VesselsSection IX, Welding and Brazing Qualifications3. Definitions of Terms Specific to This Standard3.1 adapterone half of a quick disconnect coupling thatfits into the coupler and seals against an elastomer gasketpositioned inside

10、 the coupler.3.2 cam handleshandles that are assembled to the couplerhalf which by closing engages the adapter sealing the coupling.3.3 couplerone half of a quick disconnect coupling thatreceives the adapter. This half contains the sealing gasket andcam handles (see Fig. 1).NOTE 1See Fig. 2 for a de

11、scription of typical coupler pipe fittings.4. Classification4.1 Quick disconnect couplings shall consist of the follow-ing types:4.1.1 Standard ClassThis type is to be designed for a 4:1burst factor of safety.4.1.2 Class IThis type is to be designed for a 5:1 burstfactor of safety.4.2 Both Standard

12、Class and Class I will be called quickdisconnect couplings in the body of this specification unlessotherwise specified.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Syst

13、ems.Current edition approved May 1, 2015. Published June 2015. Originallyapproved in 1987. Last previous edition approved in 2010 as F1122 04 (2010).DOI: 10.1520/F1122-04R15.2Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org

14、.3Available from Manufacturers Standardization Society of the Valve and FittingsIndustry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Two Park Ave., New York, NY 10016-5990, http:/www.a

15、sme.org.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15. Ordering Information5.1 Purchase orders for quick disconnect couplings underthis specification shall include the following applicable infor-mation:5.1.1 Class.5.1.2 Size and t

16、ype of each coupling half-end connection.(Example: 2- by 112-in. NPT).5.1.3 ASTM material designation and date including alloyspecifications for the following:5.1.3.1 Adapter and coupler halves,5.1.3.2 Cam handle, and5.1.3.3 Cam handle pivot pin.5.1.4 Product or fluid in applicable system.5.1.5 Ship

17、ping instructions.5.1.6 Any special requirements, such as testing, coatings,and threads.6. Materials and Manufacture6.1 Materials:6.1.1 Pressure-retaining parts shall be manufactured frommaterial specifications and grades listed in Section VIII,Division 1, of the ASME Boiler and Pressure Vessel Code

18、 orANSI B31.1.6.1.2 All other materials of construction shall be of the typespecified by the user and shall conform to ASTM, ASME, orMetal Power Industry Federation material specifications. Ma-terials not identified by the ordering data shall be of themanufacturers standard and of the same quality u

19、sed for theintended purpose in commercial practice.6.1.3 All material incorporated in the work covered by thisspecification shall be new. The use of rebuilt or used productsare not allowed under this specification.6.1.4 Gaskets are to be produced from a compressibleelastomeric material and shall be

20、compatible with the fluid tobe transferred (see 5.1.4).6.2 Manufacture:6.2.1 Adapters and couplers are to be produced as castingsor forgings. Cam handles may be produced by casting, forging,or sintered metal processes. Established commercial process-ing methods are to be used to produce these parts,

21、 providedchemical and physical properties are consistent with thosecataloged for the specified materials.6.2.2 Pipe threads on the service end of couplers oradapters, when specified, shall meet ANSI B2.1.6.2.3 Flanges on the service end of couplers or adapters,when specified, shall meet ANSI B16.5,

22、B16.24, or B16.42.6.2.4 Flanges shall be finish machined to specificationsshown in MSS-SP-6.6.2.5 Cam handles assembled to the coupler are to have asafety locking device to ensure against the handles beingopened unintentionally or vibrating open. This locking devicemust require a separate, deliberat

23、e effort in the openingoperation over the standard handle operation.6.2.6 Cam handles shall be manufactured to contain theadapter within the coupler under rated pressure with no leakageoccurring. The cam action shall not distort the couplersFIG. 1 Typical Coupler AssemblyFIG. 2 Adapter/Coupler Types

24、 (End Dimensional Data Located inTables Indicated by Arrows)F1122 04 (2015)12rendering the coupler unusable. The force required to close thecam handles shall be adequate to prevent leakage, but shall beeasily attainable through hand operation by an average strengthperson. Handles should not need to

25、be hammered closed.6.2.7 Welding procedure qualifications, welder performancequalifications, and welding materials shall be in accordancewith ANSI B 31.1 and Section IX of the ASME Code. Brazingor soldering shall not be used. Where radiography is required(see 12.1), all welds shall be butt welds.7.

26、Other Requirements7.1 All couplings shall have a maximum allowable workingpressure of not less than 150 psi (1034 kPa).7.2 Maximum allowable working pressure (MAWP) for aStandard Class coupling shall be 25 % of its burst pressure.7.3 Maximum allowable working pressure for a Class Icoupling shall be

27、20 % of its burst pressure.7.4 Burst pressure shall be determined in accordance withSection VIII, Division 1 of the ASME Code.8. Dimensions8.1 The dimensions and tolerances required to ensure inter-changeability of adapter and coupler halves, of common sizes,shall be as given in Figs. 3-15.8.2 Sizes

28、 as listed in the tables correspond to NPS for pipingsystems.9. Workmanship, Finish, and Appearance9.1 Couplings are to be produced with quality workman-ship. Casting surface quality is to be in accordance withMSS-SP-55. Machined surfaces are to be finish machined to a125-in. (3175-mm) (AA) finish o

29、r better with no porosityshowing.NOTE 1Unidentified tolerances; fractional = 6164 (60.4), decimal = +0.000/0.005 (+0.000/0.127), angular = 62 (60.035 rad)SizeDimensions, in. (mm)ABCDEFGHJ121.264(32.1)1.035(26.3)1732(31)2732(21)0.471(12)1(25.4)0.378(9.6)116(1.6)332(2.4)341.264(32.1)1.035(26.3)1732(31

30、)3132(24.6)0.471(12)1(25.4)0.378(9.6)116(1.6)332(2.4)11.446(36.7)1.144(29)138(34.9)1332(27.8)0.565(14.3)1516(33.3)0.378(9.6)332(2.4)332(2.4)1141.792(45.5)1.388(35.2)12332(43.6)114(31.7)0.690(17.5)1916(39.7)0.441(11.2)18(3)18(3)1122.105(53.4)1.690(42.9)2132(51.6)1916(39.7)0.690(17.5)158(41.3)0.441(11

31、.2)18(3)18(3)22.484(63.1)2.065(52.4)21332(61.1)11516(49.2)0.848(21.5)178(47.6)0.441(11.2)18(3)18(3)2122.985(75.8)2.545(64.6)278(73)2716(61.9)0.848(21.5)11516(49.2)0.441(11.2)18(3)532(4)33.604(91.5)3.202(81.3)312(88.9)3332(78.6)0.895(22.7)2(50.8)0.503(12.8)18(3)532(4)44.708(119.6)4.307(109.4)41932(11

32、6.7)418(104.8)0.895(22.7)2116(52.4)0.503(12.8)18(3)732(5.6)55.728(145.5)5.312(134.9)558(142.9)518(130.2)0.897(22.8)218(54)0.503(12.8)18(3)732(5.6)66.929(176)6.362(161.6)61316(173)6532(156.4)0.963(24.5)214(57.1)0.659(16.7)18(3)732(5.6)FIG. 3 Adapter End DimensionsF1122 04 (2015)139.1.1 Couplings are

33、to be free of burrs or sharp edges.Machined surfaces are to be free of nicks or scratches that mayaffect the sealing capabilities of the couplings.9.1.2 Surfaces are to be sound with good appearance andtrue pattern. Internal surfaces, if not machined, shall besmooth, as expected from good quality ca

34、sting, and free fromany flaw that would render the part unsafe for its intended use.9.2 Cam handles are to be smooth, having no burrs or sharpedges. Cam closing surface is to be continuous, providing anincreasing axial pull on mating adapter until proper seatingagainst the gasket occurs.9.3 Defectiv

35、e parts are not to be repaired by welding,brazing, or any other method, to fill porosity or other flaws inthe casting.9.4 Gaskets are to be produced having parallel sealing faces.Faces are not to contain any imperfections that will allowleakage to occur at working pressure.10. Number of Tests10.1 A

36、prototype coupling of each size of each particulardesign shall be tested to determine conformance to thisspecification.10.2 Each coupling shall be tested as outlined in productiontesting of 11.2.11. Test Methods11.1 Prototype testing of each size of each particular designshall be as follows. Maintai

37、n the indicated test pressures for atleast 1 min without leakage.11.1.1 Pressure test to twice the MAWP after having beencycled (connected, closed, opened, and disconnected) threetimes.11.1.2 Pressure test at MAWP while applying a moment of1000 in.-lbs (113 NM) to one coupling half attempting to twi

38、stit loose. Reapply MAWP after the moment is removed.NOTE 1Unidentified tolerances; fractional = 6164 (60.4), angular = 62 (60.035 rad), decimal = 60.005 (60.127)SizeDimensions, in. (mm)ABCDEF121.274(32.3)14(6.3)12764(36.1)332(2.4) . .341.274(32.3)14(6.3)12764(36.1)332(2.4) . .11.464(37.2)932(7.1)11

39、932(40.5)332(2.4) . .1141.810(46)932(7.1)2(50.8)18(3) . .1122.123(53.9)932(7.1)214(57.1)18(3) . .22.508(63.7)932(7.1)21116(68.3)18(3) . .2123.009(76.4)932(7.1)3316(81)532(4) . .33.628(92.1)932(7.1)32532(96)532(4) . .44.732(120.2)932(7.1)41516(125.4)732(5.6)332(2.4)32932(99.2)55.752(146.1)932(7.1)531

40、32(151.6)732(5.6)332(2.4)45164(121.8)66.948(176.5)932(7.1)7964(181.4)732(5.6)332(2.4)52932(150)FIG. 4 Coupler End DimensionsF1122 04 (2015)1411.2 Production TestHydrostatically test each coupling to1.5 times MAWP.11.3 The test apparatus for 11.2 is to be a state-of-the-artdevice, designed to apply i

41、nternal pressure to the couplinghalves with gasket in place. Dye the fluid used to apply thehydrostatic pressure to facilitate observation of leakage shouldleakage occur.12. Inspection12.1 Nondestructive examination of welds shall be per-formed as required by ANSI B31.1. Additionally, 100 %radiograp

42、hy of all welds is required for couplings equal to orgreater than 4-in. (100-mm) nominal diameter and when thenominal wall thickness is greater than 0.375 in. (9.4 mm).12.2 The manufacturer is responsible for the inspection andtesting of each coupling and assuring conformity to thisspecification. Sa

43、mples selected for inspection, at least onecoupling from each lot of 100 or fraction thereof, are to bedimensionally checked 100 % to verify adherence to thisspecification. Couplings having threads are to be inspectedusing proper thread gages. The entire lot of couplings is to beNOTE 1AChain boss to

44、 be provided at the manufacturers discretion; number of flats or lugs provided are at the manufacturers discretion.Unidentified tolerances; fractional 6132 (60.8)SizeDimensions, in. (mm)A B C (minimum) D (minimum) E12916(14.3)732(5.6)1.259(32). 834916(14.3)732(5.6)1.259(32). 81916(14.3)732(5.6)1.441

45、(36.6). 8114916(14.3)732(5.6)1.787(45.4). 8112916(14.3)732(5.6)2.100(53.3). 82916(14.3)732(5.6)2.479(63). 821234(19)516(7.9)2.980(75.7). 8334(19)516(7.9)3.599(91.4). 841(25.4)1332(10.3)4.703(119.5). 851(25.4)1332(10.3)5.723(145.4). 861116(27)NA 6.924(175.9)34(19)2FIG. 5 Adapter Female Threads EndF11

46、22 04 (2015)15visually checked for porosity and other flaws that couldadversely affect usability of this product.12.3 The manufacturer shall afford the purchasers inspectorall reasonable facilities necessary to satisfy him that thematerial is being furnished in accordance with this specifica-tion. I

47、nspection by the purchaser shall not interfere unneces-sarily with the manufacturers operations. All examinationsand inspections shall be made at the place of manufacture,unless otherwise agreed upon.12.4 Other tests, when agreed upon, shall be made frommaterial of the lots covered in the order.13.

48、Certification13.1 When specified in the purchase order or contract, themanufacturers certification shall be furnished to the purchaserstating that the samples representing each lot have beenmanufactured, tested, and inspected in accordance with thisspecification and the requirements have been met. W

49、henNOTE 1ANumber of flats or lugs provided is at the manufacturers discretion.Unidentified tolerance; fractional 6132 (60.8)Size Dimensions, in. (mm)A B (mini-mum)C (mini-mum)D124364(17.1)1316(30.2). 83434(19)114(37.7). 8134(19)112(38.1). 811434(19)2(50.8). 811278(22.2)2932(57.9). 8278(22.2)234(69.8). 82121532(29.4)3516(84.1). 831532(29.4)31516(100). 84138(34.9)41516(125.4). 85134(44.4)6(