NAVY MIL-V-24578 B-1988 VALVES GLOBE PRESSURE INSTRUMENT STEM TEST CONNECTION UNION END《联管节端主要测试连接压力仪器的球型阀》.pdf

1、*IEEElNIL-V-24578B(SH)27 klY1988SUPERSEDINGNIL-V-24578A(SH)31 August 1982(See 6.5)NILITARY SPECIFICATIONVALVES , GLOBE, PRESSURE lNSTRUNENT, STEN TESTCONNECTION , UNION ENDThis spccification ia approved for use within the Naval Sea Systems Command,Departmcnc of the Navy, and is available for use by

2、al1 Departments andAgencies of the Ocpartment of Oefense.1. SCOPE1.1 a. This specification coversend globe valve with a stem test connectionlff+-inchoutside diameter (od), union(see 6.1).1.2 Claaaification. Valvea shall be of the following types, classes andstyles, as specified (see 6.2.1).Type I -T

3、ype II -Class 1 -Class 2 -Clasa 3 -Style a -Style b -2. APPLICABLEInlineAngleStainless steelNickel copper al10YNickel chromiam a110YSocket weld union tailpiecoHeat recoverable coupling (HRC) union tailpieceDOCUNENTS2.1 Government documents.2.1.1 Specifications and standards. Thedards form a part of

4、this specification to thefollnwing specifications and stan-extent specified herein. Unlessotherwise speified, the issucs of these documents shall be those listed in theissue of the Dec.artment”of Defense Index of Specifications and Standards (DoOISS)and the supplement thereto, cited in tho solicitat

5、ion.Beneficial comments (recommendations, additions, deletions) and any pertinentdata which may be of uae in improving this document should be addressed to:Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy,Washington, DC 20362-5101 by using the self-addressed Standardization Doc

6、umentImprovement Proposal (DD Form 1426) appearing at the end of this documentor by letter.9 AHSC N/A FSC 4820DISTRIBUIIONSTATEMENT A Approved for public release; distribution unlimitedProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-24578B(SH)S

7、PECIFICATIONSFEDERALQQ-N-281 -QQ-S-763 -MILITARYNIL-V-3MIL-S-901 -MIL-R-B324B -STANDARDSMILITARYMIL-STD-105 -MIL-STO-167-1 -MIL-STD-79B -(Copies of specificationstion with specific acquisitionactivity or as directed by theNickel-Copper Alloy Bar, Rod, Plate, Sheet,Strip, Wire, Forgings , and Structu

8、ral andSpecial Shaped SectionsSteel Bars, Wire, Shapes, and Forgings,Corrosion Resisting.Valves, Fittings, and Flanges (Except for SystemsIndicated Herein) ; Packaging of.Shock Tests, H.1. (High-Impact) ; Shipboard Machinery,Equipment and Systems, Requirements for.Rubber, Fluorocarbon Elastomer, Hig

9、h Temperature,Fluid, and Compression Set Resistant.Sampling Procedures and Tables for Inspection byAttributes.Mechanical Vibrations of Shipboard Equipment(Type I - Environmental and Type II - InternallyExcited)Nondestructive Testing, Welding, Quality Control,Material Control and Identification and H

10、I-ShockTest Requirements for Piping System Componentsfor Naval Shipboard Use.and standards required by contractors in connec-functions should be obtained from the contractingcontracting activity.)2.2 Other publications. The following documents form a part of this speci-fication to the extent specifi

11、ed herein. Unless otherwise specified, the issuesof the documents which are DoD adopted shall be those listed in the issue of the(DoDISS) specified in the solicitation. Unless otherwise specified, the issuesof documents not listed in the DoDISS shall be the issue of the nongovernmentdocuments which

12、is current on the date of the solicitation.AMERICAN NATIONAL STANDARDS INSTITUTS (ANSI)B1.1 - Unified Inch Screw Threads (UN and UNR Thread Form)(DoD adopted)(Application for copies should be addressed to the American NationalStandards Institute, Inc., 1430 Broadway, New York, NY 10018.)ANERICAN SOC

13、IETY FOR TESTING AND MATERIALS (ASTM)A 269 - Standard Specification for Seamless and WeldedAustenitic Stainless Steel Tubing for GeneralService. (DoD adopted)A 276 - Standard Specification for Stainless and Heat-ResistingSteel Bars and Shapes.2Provided by IHSNot for ResaleNo reproduction or networki

14、ng permitted without license from IHS-,-,-lIL-V-2f+578B(SH)A 473 -A 582 -B 164 -8 446 -B 564 -Standard Specification for Stainless and Heat-ResistingSteel Forgings. (DoD adopted)Stendard Specification for Free-Nachining Stainless andHeat-Resisting Steel Bers, Hot-Rolled or Cold-Finished.(DoD edopccd

15、)Standard Specification for Nickel-Copper Alloy Rod, Bar,and Wire. (DoD adopted)Standard Specification for Nickel-Chromitnn-Molybdenum-Columbium Al10Y (UNS N06625) Rod and 8ar.Stendard Specification for Nickel Alloy Forgings.(DoD adopted)(Application for copies should be addressed to the American So

16、ciety forTesting and Iaterials, 1916 Race Street, Philadelphia, PA 19103.)SOCIETY OF AUTONDTIVE ENGINEERS (SAS)AMS 5648 - Steel Bars, Forgings, Tubin8, and Rings, Corrosionand Heat Resistant 17 Cr - 12Ni - 2.5t40(SAS 30316)Solution Heat Treated.(Applicetion for copies should be addressed to the Soci

17、ety of AutomotiveEngineers, 600 Commonwealth Drive, Warrenda le, PA 1S096.)(Nongovernment stsndarrfssnd other pubications are normally availablefrom the organizations which prepare or which distribute the documents. Thesedocaments elso may bc available in or through libraries or other informationals

18、ervices.)2.3 Order of precedence. In the event of e conflict between the text ofthis specification and the references cited herein (except for associated deteilspecifications, specification sheets or MS stendards), the text of this specifi-cation shall take precedence. Nothing in this specification,

19、 h.wever, shallsupersede applicable laws and regulations unless a specific exemption has beenobtained.3. REQUIRStlEhTS3.1 Materials. !laterialsshall be as specified in table I and shall beconfigurcd so as to prevent gal1ing, seizing, or excessive wear on operatingparts.3.1.1 Recovered materials. Unl

20、ess otheniae specified herein, all equip-a75ent, material and articles incorporated in the products covered by this speci-fication shall be new and a75ay be fabricated using a75aterials produced fromrecovered materia Is to the a75aximum extent practicable without jeopardizing theintended use. The te

21、rm “recovered materia 1s” means a75aterials which have beenCO1lected or recovered from solid waste and reprocessed to become a source ofraw a75aterials, as opposed to virgin raw a75aterials. None of the above shall beinterpreted to mean that the use of used or rebuilt products is allwed underthis sp

22、ecification unless othetwise specifically specified.3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Part nameClass 1BodyBonnetStemPacking (O-ring)TailpieceBonnet andtailpiece nutsClass 2BodyBonnetStemPacking (O-ring)TailpieceBonnet andtailpiece nuts

23、MIL-V-2L578B(SH)TABLE I. Materials.MaterialCorrosion-resisting steel(stainless steel)Corrosion-resisting steel(stainless steel)Corrosion-resisting steel(stainless steel)RubberCorrosion-resisting steel(stainless steel)Corrosion-resisting steel(stainless steel)Nickel-copper alloyNickel-copper alloyNic

24、kel-copper alloyRubb o.:REMARKSNAME OF SUB!A, TTER lh t. PLmt. MI, - Op,lond b, WORK TELEPHONE NLIW8*U (Ime- A189cd) - CtptlmdUh,l., NO AOOf4L? Sh.t CIIY. SUm. ZIP C&, - OPtlond 0. DATE OP WBM1SB1OM YYMMDD,nn CmmM 4 Ah- . . . . . . . . . . -Ia71a71a71Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-