1、I 3 Y MIL-C-Lb388D L(Y 7977906 04L7L52 9 LINCH- POUND MIL-C-l6388D(SH) 3 April 1990 SUPERSEDING 15 December 1965 (See 6.8) MIL-C-l6388C(SH) MILITARY SPECIFICATION COOLERS, FLUID, NAVAL SHIPBOARD (HULL COOLERS) This specification is approved for use by the Naval Sea Systems Command, Department of the
2、 Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers hull mounted engine jacket water coolers for Naval shipboard application. 1.2 Classification. Coolers shall be of the following types and sizes (see 6.2). Unles
3、s otherwise specified (see 6.2), coolers shall be type A. Type A Type B Size 1OOX Size 150 Size 300X Size 301 Size 400 Size 500 Size 1000 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications. standards. and handbooks. The following specifica- tions, standards, and handbooks form a
4、part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Beneficial comments (
5、recommendations, additions, deletions) and any pertinent data which may be of use 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 Docume.nt Improvement Pro
6、posal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 4420 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Lb3D 44 77779Ob 0417153
7、 O W MIL-C-16388D SPECIFICATIONS FEDERAL QQ-A-200 QQ-A-200/5 QQ-A- 225 QQ-A-225/7 QQ - B - 7 50 QQ - C - 390 PPP- B - 601 PPP - B - 621 MILITARY MIL- C - 104 MIL-P-116 MIL- S - 901 MIL-G-1149 MIL-S-1222 MIL-L-10547 MIL-T-15005 MIL-C-15726 MIL-T-16420 MIL-A-18001 STANDARDS FEDERAL FED-STD-H28 FED-STD
8、-H28/2 - Aluminum Alloy, Bar, Rod, Shapes, Structural Shapes, Tube and Wire, Extruded; General Specifi- cation for. Wire, Extruded. Special Shapes; Rolled, Drawn, or Cold Finished; General Specification for. - Aluminum Alloy 5052, Bar, Rod, and Wire; Rolled, Drawn, or Cold Finished-. - Bronze, Phosp
9、hor; Bar, Plate, Rod, Sheet, Strip, Flat Wire, and Structural and Special Shaped Sections. - Aluminum Alloy 5086, Bar, Rod, Shapes, Tube and - Aluminum and Aluminum Alloy Bar, Rod, Wire, or - Copper Alloy Castings (Including Cast Bar). - Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-C
10、orner. - Crates, Wood; Lumber and Plywood Sheathed, Nailed - Preservation, Methods of. - Shock Tests, H.I. (High-Impact) Shipboard and Bolted. Machinery, Equipment, and Systems, Requirements for. Durometer Hardness. Screws and Nuts, or Waterproof, Flexible. Condenser and Heat Exchanger. and Wire. (C
11、opper Alloy Numbers 715 and 706). Rod Shaped. - Gasket Materials, Synthetic Rubber, 50 and 65 - Studs, Bolts, Hex Cap Screws, Socket Head Cap - Liners, Case, and Sheet, Overwrap; Water-Vaporproof - Tubes, 70-30 and 90-10 Copper Nickel Alloy, - Copper-Nickel Alloy, Sheet, Plate, Strip, Bar, Rod - Tub
12、e, Copper-Nickel Alloy, Seamless and Welded - Anodes, Corrosion Preventive, Zinc; Slab Disc and - Screw-Thread Standards for Federal Services. - Screw-Thread Standards for Federal Services Section 2 Unified Inch Screw Threads - UN and UNR Thread Forms. Provided by IHSNot for ResaleNo reproduction or
13、 networking permitted without license from IHS-,-,-I MIL-C-Lb3BBD 44 799790b 04172.54 2 W MIL-C-l6388D(SH) MILITARY MIL-STD-129 MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type - Marking for Shipment and Storage. I - Environmental and Type II - Internally Excited). MIL-STD-278 - We
14、lding and Casting Standard. MIL-STD-1186 - Cushioning, Anchoring, Bracing, Blocking and Waterproofing; With Appropriate Test Methods. MIL-STD-1399, - Interface Standard for Shipboard Systems, Ship Section 301 Motion and Attitude. (Metric) (Unless otherwise indicated, copies of federal and military s
15、pecifications, standards, and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.1.2 Other Government documents. drawings, - and Publications. The following other Government documents, drawings, and publications for
16、m a part of this document to the extent specified herein. are those cited in the solicitation. Unless otherwise specified, the issues PUBLICAT ION NAVAL SEA SYSTEMS COMMAND (NAVSEA) 0900-LP-001-7000 - Fabrication and Inspection of Brazed Piping Sys terns. (Application for copies should be addressed
17、to the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA 19120-5099.) 2.2 Non-Government publications. The following document(s) form a part of this document to the extent specified herein. issues of the documents which are DOD adopted are those listed in the is
18、sue of the DODISS cited in the solicitation. documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise specified, the Unless otherwise specified, the issues of AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice
19、for Commercial Packaging. (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Non-Government standards and other publications are normally available from These documents also the organizations that p
20、repare or distribute the documents. may be available in or through 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,
21、however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first art
22、icle inspection (see 6.4) in accordance with 4.3. 3.2 Materials. The materials used in the construction of hull coolers shall be as specified in table I for type A coolers and table II for type B coolers. They shall be used in the construction of the coolers, except that the contractor shall have th
23、e option of substituting commercial materials having equal or better physical and chemical properties than the materials specified under Federal or Military specifications (see 6.3 and appendix). TABLE I. Materials for type A coolers. Parts Basic cooler tubes Tubes or tube elements Housing Protectiv
24、e anodes Bolts, studs, nuts 2/ and washers Gaskets Mat er ia1 s Copper-nickel alloy (90-10 or 70600) Copper-nickel alloy (90-10 or 70600) Copper-nickel alloy (90-10 or 70600) Zinc, type ZPN Copper-nickel alloy (90-10 Phosphor bronze, Comp A or D Synthetic rubber or 70600) Specifications MIL-C-15726
25、or MIL-T-16420 MIL-C-15726 or MIL-T-15005 I-/ MIL-C-15726 MIL-A-18001 MIL-C-15726 QQ-B-750 MIL-G-1149 - i/ The following exceptions to MIL-T-15005 apply: (i) Requirements for outside diameter, wall thickness, and expansion (2) The hydrostatic test pressure shall be the same as that required (3) Requ
26、irements for the flattening test are not applicable. test are not applicable. for the completed cooler. 8 - 2/ Forms of bolts, studs, and nuts shall be in accordance with MIL-S-1222. Copper alloy in accordance with QQ-C-390 is an acceptable alternate material for nozzle nuts. 4 Provided by IHSNot fo
27、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Lb3D 44 37377Ob 0437356 b MIL-C-l6388D(SH) Parts Tubes and headers Bolts, studs, nuts L/ Gaskets and washers TABLE II. Materials for type B coolers Mat er ia1 s Aluminum alloy 5052 Aluminum alloy 5086 Aluminum alloy 5
28、086 Synthetic rubber - i/ Forms of bolts, studs, and nuts shall be MIL-S-1222. Specifications QQ-A-225 and QQ-A-200 and QQ-A-200 and QQ-A-225/7 QQ-A-200/5 QQ-A-200/5 MIL-G-1149 in accordance with 3.2.1 Recovered materials. Unless otherwise specified herein, all equip- ment, materials, and articles i
29、ncorporated in the products covered by this specification shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing their intended use. The term “recovered materials“ means materials which have been collected or recove
30、red from solid waste and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.3 Threaded Darts. Threa
31、ded parts, such as bolts, studs, and nuts shall be in accordance with FED-STD-H28, FED-STD-H28/2, and MIL-S-1222. A number 2 fit shall be used as the general working fit. Bolts and studs shall be not less than 1/2 inch in diameter, Threading of nozzles and support studs shall permit nuts to run down
32、 to within 1/2 inch of header or support. 3.4 Welding and brazing. Welding and allied processes shall be in accor- dance with MIL-STD-278. 0900-LP-001-7000, except that the requirements for use of preinserted brazing rings are applicable only to pipe fittings. B coolers. Brazing shall be in accordan
33、ce with NAVSEA Brazing will not be permitted on type 3.5 Space and weipht. In all designs, space and weight shall be held to a minimum consistent with strength and reliability of the coolers. 3.6 Hydrostatic or air pressure. Coolers shall withstand the hydrostatic or air pressure tests (see 4.4.2).
34、3.7 Ship attitude and motion. Coolers shall perform satisfactorily under the list, pitch, roll, and trim conditions as specified in MIL-STD-1399, section 301. 3.8 Shock. When specified (see 6.2), the coolers shall pass a shock test in accordance with MIL-S-901, grade A (see 4.3.4). 5 Provided by IHS
35、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-_. - MIL-C-lib3BD 44 W 7997706 0417157 W 3.9 Vibration. When Specified (see 6.2), the coolers shall not be damaged or caused to malfunction by either the environmental vibrations or by internally excited vibrations (s
36、ee 4.3.5). 3.10 Design and construction. 3.10.1 Interchangeability, In no case shall parts be physically inter- changeable or reversible unless such parts are also interchangeable or reversible with regard to function, performance and strength, 3.10.2 Tubes. Coolers shall be constructed of straight
37、tubes welded or brazed into headers, or passages for the cooled fluid shall be constructed of formed plate similarly secured to headers. used, copper-nickel and 0.090 inch for aluminum. Tubes of rectangular section shall be Tube wall or formed plate thickness shall be a minimum of 0.062 inch of 3.10
38、.3 Headers. Headers shall be not less than 1/8 inch thick. 3.10.4 Temperature. Ambient: cooling water temperature shall be 85 degrees Fahrenheit (OF) for design purposes. 3.10.5 Surface coolinq. The amount of cooling surface provided in all coolers shall be based on the service specified (see 3.10.1
39、2), applying a 10 percent fouling factor to the heat transfer coefficient for clean tubes. 3.10.6 Draining. Provision shall be made for draining the cooler. Drain connections shall not project more than 1/4 inch below the bottom of the headers. To achieve this dimension, 1/8 inch pipe size pipe plug
40、s having straight thread with an O-ring, and with slotted or hex head will be acceptable. 3.10.7 Housing. Housings for coolers shall not be furnished. 3.10.8 Velocitv. The design velocity through the tubes shall not exceed 7 feet per second. 3.10.9 Protective anodes for type A coolers. The construct
41、ion of the cooler shall provide for anodes (zincs) as a safeguard against galvanic corrosion. Anodes shall be installed in such a way as to permit ready disassembly from the cooler for cleaning and replacement. thick plate, face of each boss having a minimum of two sharp concentric ridges at least 1
42、/16 inch high machined on them, The face of the washer toward the zinc shall be ridged as described above. Two such fastenings may be used per anode where desirable. at each end of the cooler. The anodes shall be in the form of 1/2 inch Each anode shall be secured against bosses on the cooler header
43、, the The zinc shall be secured by a washer and tap bolt. An anode shall be provided 3.10.10 Gaskets. Gaskets shall be at least 1/8 inch thick. Gaskets shall be provided for the joints between boat or ship hull and tops of headers and center supports, and also inside the hull under the nozzle and su
44、pport stud washers. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Lb3D Y4 997770b 041715B T F 3.10.11 Nozzles, nuts. and washers, Hexagonal nuts and separate washers shall be furnished for the threaded portion of each nozzle. 3.10.12 Dimens
45、ions and performance reauirements. Coolers as designated by size shall conform to the following dimensions and performance requirements. 3.10.12.1 Size 1OOX cooler. The cooler shall be of single pass construc- tion. Nozzles, 4 feet apart center to center, shall lead, at right angles to the plane of
46、the tubes, from the headers. These nozzles shall be threaded with a 1- 1/2 inch straight pipe thread to a distance of 4-1/2 inches from the headers. An additional length of the nozzle shall extend 2-1/2 inches from this threaded portion to provide a hose connection. 1-1/2 inches outside diameter (od
47、) and shall be formed out at the end to provide a bead 1-9/16 inches od in order to better secure the hose and clamps. The nozzles shall have a spacer 2 inches od high to provide space between the hull and the cooler. A center support for the cooler shall be provided. To attach this to the boat hull
48、 there shall be provided two 3/4 inch diameter studs with nuts and washers. The studs shall be located on a line midway between the nozzles and shall be 4-3/8 inches apart, equidistant from the cooler centerline. The top of the center support shall be in the plane of the tops of the headers. The stu
49、ds shall extend upward 2 inches from the top of the center support. The overall height of the cooler shall be 1-3/4 inches exclusive of nozzles and studs. The overall length of the cooler shall be 4 feet 3 inches. The overall width of the cooler shall be 8 inches. This additional length of nozzle shall be The size 1OOX cooler shall be used for jacket water cooling of an engine with a design point heat rejection of 6,474 British thermal units per minute (Btu/
