ARMY MIL-H-43540 C-1988 HEATER IMMERSION M67 LIQUID FUEL FIRED FOR CORRUGATED CANS《波纹状罐用液体燃油M67浸入式加热器》.pdf

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1、L MILITARY SPECIFICATION - - 1 NIL-H-43540C 45 W 9777706 021675q 7 J. - - 55 -.-; p. 2%-6 MIL-H-43540C 15 September 1988 SUPERSEDING 26 November 1976 MIL-H-43540B - 1 HEATER, IMMERSION, M67, LIQUID FUEL FIRED, FOR CORRUGATED CANS , This specification is approved for use by all Departments and Agenci

2、es of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers a liquid fuel burning immersion-type heater designed primarily to heat water in a 32-gallon corrugated can. 2. APPLICABLE DOCUMENTS 2.1 Government documents. * 2.1.1 Specifications, standards, and handbooks. The following spec

3、ifications, standards, and handbooks 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 Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cite

4、d in the solicitation. SPECIFICATIONS FEDERAL P-D-680 - Dry Cleaning Solvent GG-P-455 - Plates and Foils, Photographic (Photosensitive Anodized Aluminum) Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addres

5、sed to: U.S. Army Natick Research, Development, and .Engineering Center, Natick, MA 01760-5014 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 4540 DISTRIBUTION STATEMENT A. Approved for public

6、 release; distribution is unlimited. / THIS DOCUMENT CONTAINS / Containers for Level llAql Shipment - Assembly Complete - Heater Body Assembly - Heater Body Details - Miscellaneous Parts - Burner Assembly - Igniter Assembly and Name Plate - Fuel Tank Assembly - Valve and Filler Plug Assembly - Hange

7、r Details (Copies of drawings, publications, and other Government documents required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity.) - * 2.2 Other publications. The following documents form

8、 a part of this specification to the 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 s

9、hall be the issues of the nongovernment documents which are current on the date of the solicitation. 3 Licensed by Information Handling ServicesMIL-H-43540C AMERICAN WELDING SOCIETY (AWS) Standard Qualification Procedure OP the American Welding Society (Copies should be obtained from the American We

10、lding Society, 345 East 47th Street, New York, NY 10017.) AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) Welding Qualification of the American Society of Mechanical Engineers , Engineers, 345 East 47th Street, New York, NY 10018.) (Copies should be obtained from the American Society of Mechanical A

11、MERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 48 - Coatings, Gray, Iron A 167 - Stainless and Heat-Resisting Chromium-Nickel Steel A 313 - Chromium - Nickel Stainless and Heat-Resisting Steel A 511 - Seamless Stainless Steel Mechanical Tubing A 513 - Electric-Resistance Welded Carbon and Alloy

12、Steel A 519 - Seamless Carbon and Alloy Steel Mechanical Tubing A 575 - Merchant Quality Hot-Rolled Carbon Steel Bars A 684 - Steel, Carbon, Strip, Cold Rolled Soft, Untempered B 633 D 3951 - Standard Practice for Commercial Packaging Plate, Sheet, and Strip Spring Wire Tubing Spring Quality - Elect

13、rodeposited Coatings of Zinc on Iron and Steel (Copies should be obtained from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Nongovernment standards and other publications are normally available from the organizations which prepare or which distribu

14、te the documents. These documents also 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 specification and the references cited herein, the text of this specification shall take precedence. shal

15、l supersede applicable laws and regulations unless a specific exemption has been obtained. Nothing in this specification, however, 3. REQUIREMENTS 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3, 6.2, and 6.3). 4 L

16、icensed by Information Handling Services - flIL-H-q354OC Lt5 7779706 0216758 y * 3.2 Materials and components. Materials and components shall be as specified herein and as shown on the applicable drawings. Components not definitely specified shall be of the quality normally used by the manufacturer

17、provided the completed items comply with all the provisions of this document (see 6.4). Materials and 3.2.1 Steel, carbon. 3.2.1.1 Steel, carbon sheet and strip. Carbon steel sheet and strip shall conform to QQ-S-698. 3.2.1.2 Bar stock. Cold finished carbon steel stock shall conform to QQ-S-635. Hot

18、 rolled steel bar stock shall conform to ASTM A 575. 3.2.1.3 Seamless steel tubing. Hot finished or cold worked finished seamless steel tubing shall conform to ASTM A 519. 3.2.1.4 Welded steel tubing. As-welded hot or cold rolled steel tubing shall conform to ASTM A 513. 3.2.1.5 Spring steel. Spring

19、 carbon steel strip shall conform to soft type, annealed, of ASTM A 684. 3.2.2 Corrosion-resisting steel. 3.2.2.1 Stainless steel sheet and strip. shall conform to type 304 and type 305 of ASTM A 167. Stainless steel sheet and strip * 3.2.2.2 Corrosion-resisting steel wire. Corrosion-resisting steel

20、 wire shall conform to type 304 of ASTM A 313. 3.2.3 Stainless steel tubing. Stainless steel tubing shall conform to grade 304 of ASTM A 511. * 3.2.4 Cast iron. Cast iron shall conform to the mechanical properties of ASTM A 48. - 3.2.5 Brass. - 3.2.5.1 Brass rod. Brass rod shall conform to 1/2 hard

21、copperalloy NO. 360 of QQ-B-626. 3.2.5.2 Brass wire. Brass wire shall conform to 1/2 hard of QQ-W-321. 3.2.5.3 Brass castings. Brass casting shall conform to copper alloy NO. 851-860 Of QQ-C-390. 3.2.6 Brazing alloy. Brazing alloy shall conform to QQ-B-654. 5 Licensed by Information Handling Service

22、sMIL-H-43540C 45 = 7999906 0236759 b = _- 3.2.7 Gaskets. 3.2.7.1 Filler plug. The filler plug gasket shall be lead sheet conforming to grade B, of QQ-L-201. 3.2.7.2 Vent plug. The vent plug gasket shall be synthetic rubber conforming to SB615 AE5 of MIL-R-3065 and MIL-STD-417. * 3.2.8 Nipple. The fu

23、el supply line nipple shall conform to type I of WW-P-404. 3.2.9 Elbow. The fuel supply line elbow shall conform to type I of W-P-521. 3.2.10 Safety chain. The brass safety chain shall conform to type II, class 6, 27 links per foot of RR-C-271. 3.2.11 Cotter pin. The cotter pin for the igniter assem

24、bly hinge shall be cadmium plated steel. * 3.2.12 Stove pipe. Stove pipe shall have black rust inhibiting paint and shall conform to style 4, size 4-inch diameter of MIL-P-551. Four lengths of stove pipe shall be furnished with each immersion heater. 3.2.13 Primer. Primer shall conform to TT-P-636.

25、3.2.14 Enamel. Enamel shall conform to class A or B of TT-E-529. The color shall approximate Olive Drab 24087 of FED-STD-595. 3.2.15 Photographic plate. The photographic nameplate on the heater body The photographic nameplate and the caution plate on the and the instruction plate on the hood shall c

26、onform to type I, class 1 of GG-P-455 (see 6.5). fuel tank may be either plain or backed with a pressure-sensitive adhesive (see 6.6). The caution plate color shall be predominantly yellow. 3.3 Design and construction. The immersion heater components and assembly shall be constructed in accordance w

27、ith Drawings 5-13-2679 through 5-13-2687 and requirements specified herein. Spot welds shall be adherent and well made so that the contact faces of the joint cannot be pulled apart without tearing the metal when tested as specified in 4.5.1. The nameplate on the fuel tank as shown on Drawing 5-13-26

28、84 shall be applied smoothly and shall completely adhere to the tank. 3.3.1 Fuel tank. The fuel tank assembly shall be welded as specified except for the fuel line and vent valve bushings. The fuel line and vent valve bushings shall be brazed with brazing alloy specified in 3.2.6. inside of the fuel

29、 tank assembly shall be cleaned of all foreign matter such as welding splatter, grease, and millings. application of finish shall not leak under 4 pounds 2 1/2 pound per square inch, gage (psi finish coat not smooth, free of blisters, cracks, runs, tackiness, areas of no film and embedded foreign ma

30、tter, or otherwise impaired Component material not as specified 101 type 102 Any part missing or not specified Fractured, split, punctured, torn, dented, creased, deteriorated, bowed, sprung, malformed, miscast 1 O3 Component misplaced, leaking, or not in proper alignment 104 Evidence of sharp burrs

31、, slivers, or edges 105 Any functioning component that re- quires abnormal force to operate 20 1 202 I: 10 Licensed by Information Handling ServicesMIL-H-43540C 45 9999906 0216764 T - MIL-H-43540C TABLE I. End item visual defects (contd) Examine Defect Classifica tion Major Minor Casting i Welding a

32、nd brazing Spot welds Bolts, nuts, screws, studs, and other threaded fastener components Rivets Pipe, tubing, fittings and valves Assembly Identification and - instruction marking Not connected or joined as specified or poorly accomplished Not smooth and free from cracks, burnholes, undercuts, splat

33、ter, or incomplete fusion Not free from rust, flux, scale, paint, grease, or other foreign matter Not free of splatter and burn through, or otherwise poorly made Missing, not type specified, broken, Loose stripped, or fractured Missing, not tightly staked or broken Improperly connected, installed, o

34、r stripped Any component not properly Unit perceptibly out of square assembled or secured or alignment Missing, incomplete, illegible, not specified type or size, not in proper location, or not affixed in prescribed manner Fuel tank nameplate not smooth or in complete adherence with tank 106 1 O7 10

35、8 109 110 111 112 113 203 204 114 205 - * 4.4.4 End item dimensional examination. The end items shall be examined for conformance to the dimensions annotated with asterisks on the drawings. Any annotated dimension not within the specified tolerance shall be classified as a defect. The lot size shall

36、 be expressed in units of immersion heaters. The sample unit shall be one heater. The inspection level shall be S-1 and the AQL, expressed in terms of defects per hundred units, shall be 6.5. c; 11 Licensed by Information Handling ServicesMIL-H-43540C 45 W 9799706 0236765 L MIL-H-43540C 4.4.5 End it

37、em testing. When a first article is not required, the immersion heater shall be tested as specified in 4.5.5. Failure to pass the test shall be cause for rejection of the immersion heater. * 4.4.6 Packaging examination. The fully packaged end items shall be examined for the defects listed below. The

38、 lot size shall be expressed in units of shipping containers. The sample unit shall be one shipping container fully packaged. The inspection level shall be 5-2 and the AQL, expressed in terms of defects per hundred units, shall be 2.5. Examine Defect Marking (exterior Omitted; incorrect; illegible;

39、of improper and interior) size, location, sequence, or method of application Materials Preservative application Wor kmansh ip Any component missing, damaged, or not as specified Preservative improperly applied or missing Inadequate application of components, such as incomplete sealing or closure of

40、flap, improper taping, loose strapping, or inadequate stapling Bulged or distorted container 4.5 Methods of inspection. 4.5.1 Spot weld test. Test coupons of the mating metals shall be joined together with spot welds in the same manner as intended for the parent components. The joint contact faces s

41、hall be pulled apart to determine compliance with the spot weld requirements of 3.3. Any nonconformance shall constitute failure of this test. 4.5.2 Fuel tank test. The fuel tank shall be pressurized with air at 4 2 1/2 psig and tested with a bubble supporting film in accordance with Method 5009 of

42、FED-STD-101, to determine compliance with the leak requirements of 3.3.1. Any nonconformance shall constitute failure of this test. - 4.5.3 Heater body test. The immersion heater body shall be pressurized with air at 4 2 1/2 psig and tested with a bubble supporting film in accordance with Method 500

43、9 of FED-STD-101 to determine compliance with the leak requirements of 3.3.2. Any nonconformance shall constitute failure of this test. dried. At the completion of this test the heater body shall be thoroughly 12 ,- Y i Licensed by Information Handling ServicesMIL-H-43540C 4.5.4 Igniter cup test. Th

44、e igniter cup shall be filled with a fluid and observed for leaks to determine compliance with 3.3.3. Any nonconformance shall constitute failure of this test. 4.5.5 Performance test. The immersion heater shall be installed with the stack plumb in a 32 gallon corrugated can conforming to RR-C-82 and

45、 containing 24 gallons of water with a thermometer located in the center of the can opening and the bottom of the bulb immersed a minimum of 3 inches below the surface of the water. The heater shall be started with the fuel specified in 3.8 and ope.rated at the steady fuel rate obtained by constantl

46、y adjusting the ,fuel valve so that smoke from the stack remains barely visible throughout this The valve shall meter and stop flow of fuel and not bind throughout its entire engagement as specified in 3.3.5. The time to heat the water shall be checked to determine compliance with the water heating

47、requirements of 3.8. Any nonconformance shall constitute failure to pass this test. * test. 4.5.6 Valve assembly test. The valve assembly will be pressurized at 4 2 1/2 psig to check for compliance with 3.3.5 to ensure that the valve shall seat and stop the flow of air when closed with a torque of l

48、ess than 4 inch pounds as specified in 3.3.5. This test may be combined with 4.5.2. 5. PACKAGING 5.1 Preservation. Preservation shall be level A or Commercial, as specified (see 6.2). 5.1.1 Level A. 5.1.1.1 Disassembly. Each heater shall have the fuel tank detached from the body of the heater. The f

49、our stovepipe lengths shall be detached from the heater and disassembled. The burner shall be removed. 5.1.1.2 Cleaning. All uncoated ferrous metal surfaces of the heater and detached components shall be cleaned with dry-cleaning solvent conforming to P-D-680 and thoroughly dried prior to application of preservative. 5.1.1.3 Preservative application. The interior of the fuel tank and - interior of the heater body shall be fogged with preservative conforming to type 1 of MIL-L-21260 and al1 excess preservative shall be drained off. All exterior uncoated surfaces

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