1、IEEmiElMIL-B-16907G(SH)27 Mav 1988SUPERSEDINGMIL-B-16907F(SHIPS)1 April 1963(See 6.10)MILITARY SPECIFICATIONBOILERS, STEAM, HIGH PRESSURE, AUXILIARY FIRE TUBE TYPENAVAL SHIPBOARDThis specification is approved for use within the Naval Sea SystemsCommand, Department of the Navy, and is available for u
2、se by allDepartments and Agencies of the Department of Defense.1. SCOPE1.1 Scope. This specification covers fuel fired horizontal straight firetube type boilers of 2 or 4 pass, single uptake design with burner, all necessaryappurtenances, controls and auxiliary equipment mounted as an integral unit
3、on a. .steel base in order to make a complete, self-contained steam generating unit.1.2 Classification. The boilers shall be of the following classes andsizes, as specified (see 6.2.1):Class I - Carbon steel construction.Class II - Nonmagnetic construction.Size1234567CapacityRate(pounds of steam per
4、 hour)50080012001500250040005000jet?6.6)Overload(pounds of steam per hour)-14401800300048006000Beneficial comments (recommendations, additions, deletions) and any pertinentdata which may be of use in improving this document should be addressed toCommander, Naval Sea Systems Command, SEA 5523, Depart
5、ment of the Navy,Washington, DC 20362-5101, by using the self-addressed Standardization DocumentImprovement Proposal (DD form 1426) appearing at the end of this document or byletter.AMSC N/A FSC 4410DISTRIBUTION STATEMENT A Approved for public release; distribution unlimitedProvided by IHSNot for Re
6、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-16907G(SH)2. APPLICABLE DOCUMENTS2.1 Government documents.2.1.1 Specifications and standards. The following specifications andstandards form a part of this specification co the extent specified herein.Unless otherwise spe
7、cified, the issues of these documents shall be those listedin the issue of the Department of Defense Index of Specifications and Standards(DoDISS) and supplement thereto, cited in the solicitation.SPECIFICATIONSFEDEIULTT-P-28 - Paint, Aluminum, Heat Resisting (1200”F).PPP-B-601 - Boxes, Wood, Cleate
8、d-Plywood.PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner.PPP-B-636 - Boxes, Shipping, Fiberboard.PPP-B-1055 - Barrier Material, Waterproofed, Flexible.PPP-F-320 - Fiberboard; Corrugated and Solid, SheetStock (Container Grade), and Cut Shapes.MILITARYMIL-C-104 - Crates, Wood; Lumber and Plywood Shea
9、thed, Nailed andMIL-S-901MIL-E-917MIL-R-2033MIL-E-2036MIL-C-2212MIL-R-2729MIL-G-3124MIL-B-3180MIL-C-3774MIL-C-5015MIL-T-5624Bolted.- Shock Tests, H.I. (High-Impact); ShipboardMachinery, Equipment and Systems, Requirementsfor.- Electric Power Equipment, Basic Requirements(Naval Shipboard Use).- Relay
10、s - Power, Electrical Specialty, InductionNaval Shipboard Use.- Enclosures for Electric and ElectronicEquipment, Naval Shipboard.- Controllers, Electric Motor A.C. or D.C., andAssociated Switching Devices.- Regulator Sets, Voltage, A.C. Generator, NavalShipboard Use.- Generator, Alternating Current,
11、 60-Cycle (NavalShipboard Use).- Boilers and Related Equipment, Packaging of.- Crates, Wood; Open 12,000- and 16,000-PoundCapacity.- Connectors, Electrical, Circular Threaded,General Specification for.- Turbine Fuel, Aviation, Grades JP-4 and JP-5.Type,2Provided by IHSNot for ResaleNo reproduction o
12、r networking permitted without license from IHS-,-,-MIL-B-16907G(SH)MILITARY (Continued)MIL-L-10547 -MIL-P-15024 -MIL-P-15024/5 -MIL-S-16165”MIL-E-16298MIL-W-16878MIL-F-16884MIL-M-17059MIL-M-17060MIL-P-17286MIL-T-17370MIL-M-17413MIL-E-17555MIL-M-17556MIL-P-17945MIL-F-19004MIL-I-24137MIL-C-24643MIL-C
13、-24643/23 -Liners, Case, and Sheet, Overwrap;Water-Vaporproof or Waterproof, Flexible.Plates, Tags and Bands for Identification ofEquipment.Plates, Identification.Shielding Harnesses, Shielding Items andShielding Enclosures for Use in the Reduction ofInterference from Engine Electrical Systems.Elect
14、ric”Machines Having Rotating Parts andAssociated Repair Parts: Packaging of.Wire, Electrical, Insulated, GeneralSpecification for.Fuel, Naval Distillate.Motors, 60-Cycle, Alternating-Current, FractionalH.P. (Shipboard Use).Motors, 60-Hertz, Alternating Current, Integral-Horsepower, Shipboard Use.Pro
15、pulsion and Auxiliary Steam Turbines andGears (Including Repair Parts, Tools,Accessories and Instruments); Packaging of.Tube and Flue Cleaner, Boiler, Internal, Air-Motor Driven.Motors, Direct Current, Integral H.P., NavalShipboard.Electronic and Electrical Equipment, Accessoriesand Provisioned Item
16、s (Repair Parts): Packagingof.Motor, Direct-Current, Fractional HP(Shipboard Use).Pumps, Centrifugal, Peripheral Type,Miscellaneous Naval Shipboard Use.Fans, Centrifugal, Fixed and PortableVentilation, Naval Shipboard.Iron Castings, Nodular Graphitic (Ductile Iron)and Nodular Graphitic (Corrosion Re
17、sisting,Austenitic, Low Magnetic Permeability) (ForShipboard Application).Cable and Cord, Electrical, Low Smoke, ForShipboard Use, General Specification for.Cable, Electrical, 300 Volts, Type LSTTSU(Includin Variation LSTTSA).3Provided by IHSNot for ResaleNo reproduction or networking permitted with
18、out license from IHS-,-,-MIL-B-16907G(SH)STANDARDSMILITARYMIL-STD-22MIL-STD-129 -MIL-STD-167-1 -MIL-STD-278 -MIL-STD-461 -MIL-STD-777 -Welded Joint Design.Marking for Shipment and Storage.Mechanical Vibrations of Shipboard Equipment(Type I - Environmental and Type 11 -Internally Excited).Welding and
19、 Casting Standard.Electromagnetic Emission and SusceptibilityRequirements for the Control ofElectromagnetic Interference.Schedule of Piping, Valves, Fittings, andAssociated Piping Components for Naval SurfaceShips.2.1.2 Other Government drawing.forms a part of this specification tootherwise specifie
20、d, the issues shallsolicitation.The following other Government drawingthe extent specified herein. Unlessbe those in effect on the date of theDRAWINGNAVAL SEA SYSTEMS COMMAND (NAVSEA)810-1385850 - Piping, Instrument, Pressure for All Services.(Copies of specifications, standards, and drawings requir
21、ed by contractorsin connection with specific acquisition functions should be obtained from thecontracting activity or as directed by the contracting activity.)2.2 Other publications. The following documents form a part of thisspecification to the extent specified herein. Unless otherwise specified,
22、theissues of the documents which are DoD adopted shall be those listed in the issueof the DoDISS specified in the solicitation. Unless otherwise specified, theissues of documents not listed in the DoDISS shall be the issue of thenongovernment documents which i,scurrent on the date of the solicitatio
23、n.AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)Boiler and Pressure Vessel Code, Section I(Application for copies shouldbe addressed to the American Society ofMechanical Engineers, 345 East 47th Street, New York, NY 10017).AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)D 3951 - Standard Practice
24、for Commercial Packaging.,(DoD adopted)(Application for copies should be addressed to the American Society forTesting and Materials, 1916 Race Street, Philadelphia, pA 19103.)4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-16907G(SH)(Nongovern
25、ment standards and other publications are normally available fromthe organizations which prepare or which distribute the documents. Thesedocuments also may be available in or through libraries or other informationalservices.)2.3 Order of recedence. In the event of a conflict between the text ofthis
26、specification and the references cited herein (except for associated detailspecifications, specification sheets or MS standards), the text of thisspecification shall take precedence. Nothing in this specification, however,shall supersede applicable laws and regulations unless a specific exemption ha
27、sbeen obtained.3, REQUIREMENTS3,1 First article. When specified in the contract or purchase order, asample shall be subjected to first article inspection (see 4.3 and 6.3).3.2 Material. Cast iron shall not be used in any part of the boiler or inany part of the boiler auxiliaries. Nodular iron confor
28、ming to MIL-I-24137 maybe used in such parts of the boiler auxiliaries where no other substitute forcast iron is practicable.3.2.1 Class I - carbon steel construction. Except as otherwise specifiedherein, material used in construction of class I boilers shall conform to theASME Boiler and Pressure V
29、essel Code. Material for tubes shall be equal to orbetter than SA-178, grade C. Material for shell and tube sheets shall be” equalto or better than ASME material SA-285, grade C, firebox quality, with respect tomaximum allowable stress taken at 500 degrees Fahrenheit (eF) and weldability.3.2.2 Class
30、 II - nonmametic construction. Boilers specified herein are tobe installed on ships whose magnetic signature must be extremely low. Therefore,great importance is attached to use of nonmagnetic materials wherever possiblewithout involving extensive development or affecting the design characteristics.
31、Unless otherwise specified herein, the ASME Boiler and Pressure Vessel Code shallapply.3.2.2.1 Nonmametic materials. Components used in boiler assembly, otherthan the boiler shell assembly, and pressure vessel parts (for example, handholeplates, pipe and nipples attached to boiler shell) shall be ma
32、nufactured fromnonmagnetic materials. Except as otherwise specified herein, material used inthe construction of equipment shall be considered nonmagnetic if it has apermeability of less than 1.08 before fabrication and not greater than 2.0 afterfabrication.3.2.2.2 Carbon steel. Boiler shell assembly
33、, tube sheets, and the tubeassembly shall be carbon steel as specified in 3.2.1.II3.2.2.3 Electrical eauiDment, Electrical equipment for class II boilersshall be as follows:Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-16907G(SH)(a) Each item
34、 of electrical equipment shall be fabricated ofnonmagnetic material, except for the following parts:(1) Parts required in the magnetic circuit of the particularitem of equipment.(2) Structural parts of motors, rotary converters, contractors,relays, thermostats, and pressure switches that wouldentail
35、 extensive modification and redesign to permitsubstitution of nonmagnetic material.(b) Electric controllers, solenoids, and switches shall haveenclosures and panels of nonmagnetic metals.(c) Stray magnetic fields causedby electrical circuits shall be keptto a minimum by making the area of electric c
36、urrent loops assmall as possible and arranging adjacent loops so that the fieldswill be in opposition. Current loops shall enclose no magneticmaterial unless essential for proper performance of equipment.(d) In alternating current (at) motors, all connections between statorwinding connections shall
37、be made as short as possible. Thepower leads to the stator winding shall be run through the sameopening in the motor frame.3.3 Construction. Except as otherwise specified herein, the boiler shallbe constructed in accordance with the ASME Boiler and Pressure Vessel Code.3.3.1 General confimration. Th
38、e boiler shall be fuel fired horizontalstraight fire tube type of the 2 or 4 pass design. The boiler shall be eitherright or left hand as specified (see 6.2.1). The hand of the boiler shall bedetermined by the position of the control panel box when facing the firing end ofthe boiler.3.3.2 Desire and
39、 oueratin characteristics. The boiler shall have thedesign and operating characteristics specified in table 1.6Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI,L-B-16907G(SH)TABLE I. Desire and operatinz characteristics.Characteristic Sizes 1 and 2
40、 Sizes 3 through 7Operating pressure (see 6.7) 35 lb/in2 125 lb/in2Design pressure 100 lb/in2 150 lb/in2Safety valve pressure settingFirst valve 45 lb/in2 145 lb/in2Second valve, if used - 150 lb/in2Exit gas temperature at 550”F 650*Foverload capacity (see 4.5.1.1)Capacity, rated; lb/hr As specified
41、 (see 1.2, 6.2.1 and 6.6)Efficiency at rated capacity 78 percent minimum(see 4.5.1.1)Fuel burned Fuel, naval distillate (NATO Symbol F-76),in accordance with MIL-F-16884 or JP-5specified in accordance with MIL-T-5624as specified (see 3.5.1 and 6.2.1) 3.3.3 Electrical characteristics. The boiler and
42、auxiliaries shalloperate on the electric power of the rating specified (see 6.2.1).3.3.4 Shock resistance. Unless otherwise specified (see 6.2.1), thefirst article unit shall be tested for shock (see 4.5.2).3.3.5 Hydrostatic test. The boiler shall be hydrostatically tested(see 4.5.3).3.3.6 Method of
43、 oeration. Method of operation shall be as specified in3.3.6.1 through 3.3.6.3.2.3.3.6.1 Imition. Boilers shall be equipped for electric spark ignition,automatic or manual, as applicable.3.3.6.2 Feedwater rewlation. Boilers shall be equipped for automaticfeedwater regulation (see 3.6.2).3.3.6.3 Burn
44、er oDeration.3.3.6.3.1 Boiler sizes 1 and 2. Boilers, sizes 1 and 2, shall beequipped for automatic ON and OFF type of burner operation.3.3.6.3.2 Boiler sizes 3 throuh 7. Boilers, sizes 3 through 7, shall beequipped for one of the following methods of burner operation, as specified(see 6.2.1):(a) Ma
45、nual operation - A unit manually operated through turndownrange and manually restarted following shutdown.(b) Automatic operation - A unit that will automatically modulatethrough turndown range with an automatic restart featurefollowing shutdown.7IIProvided by IHSNot for ResaleNo reproduction or net
46、working permitted without license from IHS-,-,-MIL-B-16907G(SH)(c) Semiautomatic operation - A unit that will automaticallymodulate through turndown range without automatic restartfeature. The unit must be manually restarted followingshutdown.3.3.7 Boiler internals. The boiler shall be equipped with
47、 the followinginternal fittings:(a) Dry pipe.(b) Surface blowpipe.(c) Feed pipe.(d) Baffle plates, as required.3.3.8 Water aues. Water gauges, separately mounted, with valves shall belocated on the front end of the boiler as close to the vertical center line ofthe boiler as is practicable. They shal
48、l be the reflex type with 10-inch minimumvisible range. The center of the gauge glass shall correspond to the normalwater level of the boiler.3.3.9 Valves. Each valve, including the safety valves, shall conform tothe requirements of the ASME Boiler and Pressure Vessel Code, except for class Iboilers
49、, the safety valves shall be cast or forged steel and all other valvesshall be bronze or cast or forged steel; for class II boilers, all valves shalluse nonmagnetic material.3.3.1O Surface blow valve. The surface blow valve shall be located so theoperator can observe the water level in the water gauge while operating thevalve.3.3.11 Safetv valve hand easin gear. If the safe
