NAVY MIL-V-24336 A-1988 VALVES PRESSURE REDUCING FOR OXYGEN SERVICE《氧气服务降压阀门》.pdf

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1、+ -e G HILITARY SPECIFICATION pzzzq 8 HIL-V-24336A(SH) - . 20 ay 1968 (See 6.7) , SUPERSEDING HIL-V-24336(SHIPS) VALVES, PRESSURE REDUCING, MIR OXYGEN SERVICE This specification is approved for use within the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departme

2、nts and Agencies of the Department of Defense. 1. SCOPE 1.1 ScoDe. This specification covers self-contained reducing valves for gaseous oxygen semice. It does not include regulators used for oxygen storage cylinders and generally associated with welding equipment. These are covered by MIL-R-19180. 2

3、. APPLICABLE DOCUMENTS 2.1 Government docwentg. 2.1.1 Smcifications and standards. The following specifications and standards form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Departme

4、nt of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL BB-N-411 - Nitrogen, Technical QQ-N-281 - Nickel-Copper-Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings, and Structural and Special Shaped Sections. Alloy Castin

5、gs. QQ-N-288 - Nickel-Copper Alloy and Nickel-Copper-Silicon Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Comand, SEA 5523, Department of the Navy, Washington, DC

6、 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Fow 1426) appearing at the end of this document or by letter. THIS DOCUMENT CONTAINS 13 PAGES. AMSC N/A FSC 4820 DISTRIBUTION STATEMENT A Approved for public release; dstrbution tlnlimited -3 Licensed by Inform

7、ation Handling ServicesI ri MILITARY MIL- S - 901 - Shock Tests, H. I. (High-Impact): Shipboard Machinery, Equipment and Systems, Requirements for. MIL-V-5027 - Valves, Check, Oxygen, High Pressure. MIL-P-15024 - Plates, Tags and Bands for Identification of MIL-P-15024/5 - Plates, Identification. Eq

8、uipment. STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. MILITARY MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited). 2.2 Qther wblicationg. The following document form a part of this specification to th

9、e extent specified herein. Unless otherwise specified, the issues of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the nongovern- m

10、ent documents which is current on the that is, shall have a high ratio of volume to surface area. The use of small delicate parts shall be avoided. 3.4.4 h. When required to met any tight shutoff requirements specified (see 3S), a nonmetallic seating insert may be incor- porated in either the seat o

11、r the disc. The construction and location of the nonmetallic seating insert shall mininize the possibility of ignition under a pressure surge. 3.4.5 Interchaqzeability. In no case shall parts be physically inter- changeable or reversible unless such parts are also interchangeable or reversible with

12、regard to function, performance, and strength. 3.4.6 Accessfiility. The valve shall be accessible for adjustment and repair without removal from the line. 3.4.7 meads. Threads shall conform to FED-STD-H28. Use of threads wetted by oxygen shall be minimized. Any threads wetted by oxygen shall be of r

13、olled construction or shall be completely chamfered and deburred to prevent the possibility of sharp edges or machining burrs in contact with oxygen. Where necessary, provisions shall be incorporated to prevent the accidental loosening of threaded parts. Pipe threads shall not be used. 3.4.8 Surines

14、. Springs shall be constructed so that they will not be compressed solid during any operation of the valve. Spring ends shall be squared and ground. When removed from the valve and compressed solid, the spring shall not exhibit a permanent set exceeding 0.010 inch per inch of spring length, measured

15、 10 minutes after release of the spring. 3.4.9 ad areDaratiop. Unless otherwise specified (see 6.2,1), valves shall be supplied with inline 6-inch nipples welded directly to the valve body or fabricated as an integral part of the valve body. Nipples shall be of the same basic material as the body. 3

16、.5 performance. Performance requirements (capacity rating, accuracy of regulation, required range of set pressure adjustment, tight shutoff capability, and so forth) shall be as specified in the contract or order (see 6.2.1). 3.5.1 . The requir-nts and levels of preservation, packaging, packing and

17、marking for shipment shall be as specified in the contract or order (see 6.2.1). 6. NOTES 6.1 Intended usg. The valves are intended for use in gaseous oxygen systems on Naval ships. 6.2 Orderine data. I 6.2.1 bauisition reauirernem. Acquisition documents should specify the following: (a) Title, numb

18、er, and date of this specification. (b) When first article is required (see 3.1). (c) Pressure rating required (see 3,4.1). (d) End preparation requirements (see 3.4.9). (e) Maximum capacity required, minimum controllable capacity required, adjustable range of set pressures required, and shutoff cap

19、a- bility required (see 3.5 and table II). pressure). Defined as the maxFrmrm band over which the regulated pressure may vary when the valve is set at any pressure within combination of inlet pressure and flow demand, within the limits specified (see 3.5 and table II). (f) Accuracy of regulation req

20、uired (expressed as a percent of the set . the required range of adjustment and is subjected to any (g) Range of inlet pressures. 8 Licensed by Information Handling Services* (h) When shock and vibration teses are required (see 3.6). (i) Any other special perfonunce or construction requirements, (j

21、) Degreasing requirements (see 4.5) . (k) Level of preservation, packing, and marking required if other than as specified (see 5.2). 6.2.2 Pata r-. When this specification is used in an acquisition and data are required to be delivered, the data requirements identified below shall be developed as sp

22、ecified by an approved Data Item Description (DD Form 1664) and delivered in accordance with the approved Contract Data Requirements List (CDRL), incorporated into the contract. When the provisions of DoD FAR Supplement, Part 27, Sub-Part 27.475-1 (DD Form 1423) are invoked and the DD Form 1423 is n

23、ot used, the data specified below shall be delivered by the contractor in accordance with the contract or purchase order requirements. Deliverable data required by this specification are cited in the following paragraphs. aDh no, Data re-ement le DID. no L QLxQ?J 3.8 and appendix A Drawings, enginee

24、ring and DI-E-7031 4.1.2 Inspection system program DI-R-4803 associated lists plan procedure plan 4.3 First article inspection DL-T-4901 4.3 First article inspection DI-T-4902 (Data tem descriptions related to this specification, and identified in section 6 will be approved and listed as such in DoD

25、 5010.12-L., AMSDL. Copies of data item descriptions required by the contractors in connection with specific acquisition functions should be obtained from the Naval Publications and Forms Center or as directed by the contracting officer.) 6.2.2.1 The data requirements of 6.2.2 and any task in sectio

26、ns 3, 4, or 5 of this specification required to be performed to meet a data requirement may be waived by the contracting/acquisition activity upon certification by the offeror that identical data were submitted by the offeror and accepted by the Government under a previous contract for identical ite

27、m acquired to this specification. This does not apply to specific data which may be required for each contract regardless of whether an identical item has been supplied previously (for example, test reports). 6.2.2.2 Technical manuals. The requirement for. technical manuals should be considered when

28、 this specification is applied on a contract. If technical manuals are required, Military specifications and standards which have been cleared and listed in DoD 5010.12-L (AMSDL) must be listed on a separate CDRL (DD Form 1423), included as an exhibit to the contract. The technical manuals must be a

29、cquired under separate contract line item in the contract. Technical content shall includesthe requirements of appendix B, title “Manual Technical Requirements“. 9 Licensed by Information Handling Services6.3 First art-. When a first article inspection is required, the item should be a first article

30、 sample. The first article should consist of one unit. The contracting officer should include specific instructions in acquisition documents regarding arrangements for examinations, approval of first article test results and disposition of first articles. Invitations for bids should provide that the

31、 Government resemes the right to waive the requirement for samples for first article inspection to those bidders offering a product which has been previously acquired or tested by the Government, and that bidders offering such products, who wish to rely on such production or test, must furnish evide

32、nce with the bid that prior Government approval is presently appropriate for the pending contract. 6.4 Pravfsioning. Provisioning Technical Documentation (PTD), spare parts, and repair parts should be furnished as specified in the contract. 6.4.1 When ordering spare parts or repair parts for the equ

33、ipment covered by this specification, the contract should state that such spare parts and repair parts should meet the same requirements and quality assurance provisions as the parts used in the manufacture of the equipment. Packaging for such parts should also be specified. 6.5 Sub-contracted mater

34、ial and Dartg. The packaging requirements of referenced documents listed in section 2 do not apply when material and parts are acquired by the contractor for incorporation into the equipment and lose their separate identity when the equipment is shipped. 6.6 Subiect tm (key word) listh. Gaseous oxyg

35、en Self-contained 6.7 Chanaes from Drevious isst&. Asterisks are not used in this revision to identity changes with respect to the previous issue due to the extensiveness of the changes. I LO Preparing activity: Navy - SH (Project 4820-N040) Licensed by Information Handling ServicesAPPENDIX A DRAWIN

36、G TECHNICAL CONTENT REQUIREMENTS 10. SCOPE 10.1 ScoDe. This appendix covers technical requirements that shall be included on drawings when required by the contract or order. This appendix is mandatory only when the appropriate &ta item description is cited on the DD Form 1423. 20. APPLICABLE DOCUMEN

37、TS This section is not cpplicable to this appendix. 30. DRAWINGS 30.1 Drawin? content. When required by the contract or order, drawings shall contain the following information: A sectional assembly of the valve. Bill of materials listing specification, grade, condition, and any other data required t

38、o fully identify the properties of the materials proposed. End connection detail. Installation dimensions and clearance dimensions required for Recommended assembly torques, or other equivalent procedures, for Reference to previous shock and vibration approval for valve and Ship identification. Appl

39、icable assembly draving numbers. Applicable manual number. CID(APL) number. Applicable description. Valve description. The set pressure and adjustable range of valve. Required accuracy of regulation over specified range of operating Rated accuracy of regulation over specified range of operating. Req

40、uired maximum capacity under specified condition. Rated maximum capacity under specified conditions. Fail-open capacity (for purposes of relief valve sizing). disassembly. all threaded parts. test report numbers. conditions. conditions. 11/12 Licensed by Information Handling Services C. . 10. SCOPE

41、10.1 SCOU%. This appendix cmers technical requirements that shall be included in technical manuals when required by the contract or order. 20. APPLICABLE WCUHENTS 20.1 Fovement documentg. 20.1.1 SDecifications. The following specification forms a part of this appendix to the extent specified herein.

42、 Unless otherwise specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATION MILITARY MIL-M-15071 - Manuals, Technical: Equipment and Systems,

43、 Contents Requirements for. (Copies of specifications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) 30. MANUAIS 30.1 . Manuals shall be in accordance with type I of MIL-“15071. I

44、n addition, the following shall be included in the manuals: (a) The approved engineering drawings for the valve (including certification data sheet). These drawings shall be supplemented by additional illustiations where necessary to adequately illustrate operation and maintenance. These additional

45、illustra- tions may consist of blowouts, partial or full sections, and so forth, and may eliminate extraneous lines and details to clarify the interaction of parts. equivalent procedures) for making up all joints and threaded assemblies. facility. These should include procedures for checking all cri

46、tical dimensions subject to wear or change and the acceptable dimensional limits, surface finish condition, and so forth. Also, the appropriate procedure (that is, part replacement, correction at repair facility, or repair at manufacturers facility) which should be followed to correct each case of d

47、amage or wear. (b) Table listing wrench sizes and assembly torques (or other (c) Instructions to permit overhaul by shipyard or other repair 13 Licensed by Information Handling Services* MIL-V-24336A(SH) APPEND-IX B i (d) Detailed disassembly and reassembly procedutes. In addition to providing proce

48、dures for the complete disassembly and reassembly of the equipment, maintenance and troubleshooting sections shall contain, or refer to only the limited disassembly and reassembly required to accomplish each particular operation. This is intended to reduce the possibility of unnecessary disassembly and unnecessary disturbance of adjustments when performing Specific or limited maintenance or troubleshooting operations. (e) Adjustment procedures. I 14 Licensed by Information Handling Services