1、MIL-C-II97L3B L(Y m 9999906 0502300 7 m IINC”DI MIL- C - 19713B (SHI 14 Februarv 1992 SUPERSEDING 30 December 1959 (See 6.8) MIL-C-l9713A(SHIPS) MILITARY SPECIFICATION COOLERS, FLUID, BLEED AIR, GAS TURBINE, NAVAL SHIPBOARD This specification is approved for use by the Naval Sea Systems Command, Dep
2、artment of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. . 1. SCOPE 1.1 Scope. This specification covers after air coolers for bleed air from gas turbine engines for Naval shipboard application. Only one classification of coolers is covered by this
3、specification. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications. standards. and handbooks. The following specifi- cations, standards, and handbooks form a part of this document to the extent specified herein. those listed in the issue of the Department of Defense Index of Speci
4、fications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless otherwise specified, the issues of these documents are Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addr
5、essed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 4420 DISTRIBUTION STATEMENT A. Approve
6、d for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-C-373344 i 9999906 0502303 9 m I SPECIFICATIONS FEDERAL HH-P-46 HH - P - 15 1 QQ - B - 6 54 QQ- C 3 90 MILITARY MIL- P - 116 MIL- S - 901 MIL-A- 907
7、 MIL-S-1222 MIL-T-15005 MIL-P-15024 - Packing; Asbestos, Sheet; Compressed. - Packing; Rubber-Sheet, Cloth-Insert. - Brazing Alloys, Silver. - Copper Alloy Castings (Including Cast Bar). - Preservation, Methods of. - Shock Tests, H.I. (High-Impact) Shipboard Machinery, Equipment, and Systems, Requir
8、ements for. - Antiseize Thread Compound, High Temperature. - Studs, Bolts, Hex Cap Screws, Socket Head Cap - Tubes, Condenser and Heat Exchanger, Copper-Nickel - Plates, Tags and Bands for Identification of Screws and Nuts. Alloys (UNS C70600 i C71500). Equipment. MIL-P-15024/5 - Plates, Identificat
9、ion, MIL-C-15726 MIL-E-15809 MS16142 MIL-T-16420 MIL-L-19140 MIL-A-19521 MIL-F-20042 MIL-G-21610 MIL-(3-22214 MIL-S-22473 MIL-C-24679 MIL-G-24696 STANDARDS FEDERAL FED-STD-H28 MI LI TARY MIL-STD-22 - Copper-Nickel Alloy, Sheet Plate, Strip, Bar, Rod - Expander, Tube, Condenser and Heat Exchangers. -
10、 Boss, Gasket Seal Straight Thread Tube Fitting, - Tube, Copper-Nickel Alloy, Seamless and Welded - Lumber and Plywood, Fire-Retardant Treated. - Anodes, Corrosion Preventive, Zinc and Plugs, Zinc and Wire. Standard Dimensions for. (Copper Alloy Numbers 715 and 706). Anode Retaining: Shipboard Conde
11、nsers and Heat Exchangers. - Flanges, Pipe and Bulkhead, Bronze (Silver Brazing). - Gaskets, Heat Exchanger, Various Cross Section Rings, Synthetic Rubber. - Tube, Condenser and Heat Exchanger with Integral Fins. - Sealing, Locking, and Retaining Compounds: (Single-Component). - Copper-Nickel Alloy
12、Forgings and Forging Stock. - Gasket, Sheet, Non-Asbestos. Design of and Installation in - Screw-Thread Standards for Federal Services. - Welded Joint Design. 8 Y ?U MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internal-ly Excited). 2 Provided by
13、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-197L3B 44 m 999990b 0502302 O m MILITARY (Continued) MIL-STD-278 - Welding and Casting Standard. MIL- STD- 1186 DOD-STD-1399, - Interface Standards for Shipboard Systems MIL-STD-2073-1 - DOD Materiel Procedu
14、res for Development and - Cushioning , Anchoring, Bracing, Blocking and Waterproofing; with Appropriate Test Methods. Section 301 Section 301 Ship Motion and Attitude. (Metric) Application of Packaging Requirements. 2.1.2 Other Government documents. drawings. and publications. The following other Go
15、vernment documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) NAVSHIPS 810-1385915 - Fittings, Pipe, Composition, Flanged. 100 P.S.I.
16、Max. at 425F Max. for All Services. NAVSHIPS B-214 - Root Connections for Attaching Piping. (Application for copies should be addressed to: Commander, Portsmouth Naval Shipyard, Code 202.2, Portsmouth, NH 03801.) PUBLICATIONS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0900-LP-001-7000 - Piping Systems Braze
17、d, Fabrication and Inspection. (Applications for copies should be addressed to the Standardization Documen Order Desk, BLDG. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.2 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. U
18、nless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6,2). AMERIC
19、AN SOCIETY OF MECHANICAL ENGINEERS (ASME) Boiler and Pressure Vessel Code (BPVC), Section III, Nuclear Power Boiler and Pressure Vessel Code (BPVC), Section VIII, Division 1 - Plant Components. Rules- for Construction of Unfired Pressure Vessels. (Application for copies should be addressed to the Am
20、erican Society of Mechanical Engineers, United Engineering Center, 345 East 47th Street, New York, NY 10017.) 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-1 MIL-C-19713B 44 m 9999906 0502303 2 m I AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM
21、) A 240 - Standard Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate Sheet, and Strip for Pressure Vessels. A 473 - Standard Specification for Stainless and Heat-Resisting Steel Forgings. B 61 - Standard Specification for Steam or Valve Bronze Castings. B 505 - Copp
22、er Base Alloy Continuous Casting. B 584 - Standard Specification for Copper Alloy Sand Castings for D 3951 - Standard Practice for Commercial Packaging. (DoD adopted) F 593 - Standard Specification for Stainless Steel Bolts, Hex Cap General Applications. Screws and Studs, (Application for copies sho
23、uld be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1137.) (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents. These documents also may be available in or thr
24、ough libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a s
25、pecific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection (see 6.4) in accordance with 4.4. 3.2 Reliabilitv. The mean-time-between-failures (MTBF) of the cooler assembly shall be not less than 18,000 hour
26、s of operating time. A failure is any condition or malfunction that requires the cooler to be taken or kept out of service for corrective maintenance. 3.3 Maintainability, The cooler shall be constructed so that all mainte- nance, both preveiztive and corrective, can be accomplished at the organizat
27、ional level without outside assistance. 3.3.1 Preventive maintenance time. The mean preventive maintenance time shall be not greater than 3 man-hours per month, one preventive maintenance action shall be not greater than 5 man-hours. The time required to perform any 3.3.2 Corrective maintenance time
28、. The heater shall have a geometric mean time to repair (MTTRg) of not more than 5 man-hours. The maximum time to perform Times to repair are assumed to fit a lognormal distribution for purposes of calculating MTTRg and maximum time to repair, corrective action (95th percentile) shall be not greater
29、 than 8 man-hours. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-19713B 44 9999906 0502304 4 E 3.4 Materials. the basis for design coolers, except that I MIL-C-l9713B(SH) The materials shown in table I for coolers shall be used as These mat
30、erials shall be used in the construction of the :he manufacturer shall have the option of substituting commercial material that has physical and chemical properties equal to or better than those of the materials specified in the cited Federal or Military specifica- tions. TABLE I. Cooler materials.
31、Part Shell I/ Stay bolts and shell side baffles Wa terb oxe s Tube sheets Tubes Threaded fasteners Zinc protectors Plugs, zinc support Gaskets IJ Pipe plugs and adapt ers Zinc inspection covers Material Stainless steel (AIS1 grade 347) Copper alloy C90300 or Valve bronze, alloy C92200 Copper-nickel
32、alloy, composition 70-30 Copper-nickel alloy, composition 70-30 Nickel alloy Zinc Copper-nickel alloy, composition 70-30 Rubber sheet, cloth insert; or Non-asbestos sheet, compressed Valve bronze, alloy C92200 Copper alloy C90300; or Copper-nickel alloy, composition 70-30 Copper-nickel alloy, compos
33、ition 90-10; Copper alloy C90300; or Valve bronze, alloy C92200 Specification ASTM A 240 or ASTM A 473 or ASTM F 593 QQ - C - 3 90 ASTM B 584 or ASTM B 61 MIL-C-15726 MIL-T-15005 or MIL-T-22214 MIL-S-1222 MIL-A-19521 MIL-C-15726 HH-P-151 HH-P-46 MIL-G-24696 ASTM B 505 MIL-C-15726 or QQ- C - 390 MIL-
34、C-24679 MIL-C-15726 QQ - C - 3 90 ASTM B 584 or ASTM B 61 lJ For applications at temperature 400 degrees Fahrenheit (“F) or higher use M-P-46. shall be used. For temperatures 250 to 400F use MIL-G-24696. For water systems at below 250F HH-P-151, class 4, 5 Provided by IHSNot for ResaleNo reproductio
35、n or networking permitted without license from IHS-,-,-MIL-C-19713B 44 999990b 0502305 b I 3.4.1 Recovered materials. Unless otherwise specified herein, all equipment, material, and articles incorporated in the products covered by this specification shall be new and may be fabricated using materials
36、 produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials,
37、interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. None of the above shall be 3.5 Construction. Construction of coolers shall be as specified in 3.5.1 through 3.5.21.7 (see 6.3). Structural design calculations sha
38、ll be in accordance with ASME BPVC, section VIII, division I, 3.5.1 Ship attitude and motion. Coolers shall perform satisfactorily under conditions of list, trim, roll, and pitch as specified in DOD-STD-1399, section 301. 3.5.2 Cooler suuports. Coolers shall be constructed with supports for securing
39、 to a foundation. Where required by the conditions of service, provision shall be made for the supports to provide for expansion and contraction of the . shell. Cooler support shall be independent of any attached piping. Bolts in shear shall not constitute the primary means of support. supported by
40、plates or brackets in such a manner that the primary means of support is obtained from bolts that secure the joint between shell-end flange, tube sheet, and waterbox flange. Coolers shall not be -3.5.3 Thermal expansion. Cooler assembly shall allow for thermal expansion and contraction of the tube b
41、undle and shell. 3.5.4 Shock. If the engine application requires high-impact shock resist- ance in accordance with grade A or B of MIL-S-901 (see 4.7.2), the cooler shall be of corresponding shock-resistant construction (see 6.2). 3.5.4.1 Structure. suuports, and boltinq. Unless otherwise specified
42、(see 6.2), cooler structure, supporting members, and bolting shall meet the shock grade specified in 3.5.4, without deformation of base, holddown bolts, or footing. Shock design forces shall be applied at the points of attachment to the hull structure. 3.5.4.2 Riaiditv of sumort structure. Units tha
43、t are rigidly supported shall not be attached to two structures that can deflect relative to each other under shock loadings. The points of rigid support shall lie in a single plane. 3.5.4.3 Assembly weight applicable. Where two or more components are installed on a common rigid subbase, the feet an
44、d holddown bolts, as well as the subbase, shall withstand accelerations that are based on the total weight of the assembly. 3.5.4.4 .Use of shock mounts. Shock mounts shall not be used without prior approval of the contracting activity. 6 8 V I l I I l I l I I I I I I I I l l 1 I l 1 l I I I I I i 1
45、 1 1 I 1 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.5.5 Vibration. Each cooler shall withstand type I vibration of MIL-STD-167-1 if separately mounted, and a combination of types I and II vibra- tion of MIL-STD-167-1 if engine mounted. order
46、 of type II vibration) OE MIL-STD-167-1 shall be as specified (see 6.2). The type or types of vibration (and the Nominal bolt diameter (inch) 3.5.6 Threaded fasteners. Threads shall be in accordance with FED-STD-H28. Parts shall permit use of standard wrenches throughout. Capscrews in blind holes sh
47、all not be used. Stud sizes and number of studs for bolt circles for corrosion preventive anode covers shall be comparable to those required for bolt circle layouts for coolant side flanges. diameter or larger. Threaded parts shall be unified thread form. of studs shall be a class 3 fit used with se
48、aling compound, grade AV or AW in accordance with MIL-S-22473, and the class 2 fit shall be used as the general working fit. The waterbox(s) and air and water terminal connections shall be fastened with bolts with nuts. Bolts for pressure joints shall be 7/16-inch The setting end 4 .- * 3.5.6.1 Lubr
49、icant. Threaded fasteners that have torque requirements shall be lubricated before assembly. The lubricant used shall be in accordance with MIL-A-907. Maximum diameter of hole (inch) 3.5.6.2 Bolt hole sizes. Unless otherwise specified (see 6.2), bolts to be stressed in shear shall be installed in holes of size not larger than as specified in table II. 3/4 and smaller Larger than 3/4 Nominal bolt diameter plus 1/32 Nominal bolt diameter plus 1/16 3.5.7 Weldinn
