1、hIL-P-LBb82D Y3 79779Ob 0273388 7 m E-35-61 MIL-P-l8682D(SH) 23 November 1984 SUPERSEDING MIL-P-l8682C(SHIPS) 15 May 1973 (See 6.7) MILITARY SPECIFICATION PUMPS, CENTRIFUGAL, MAIN CONDENSER CIRCULATING, NAVAL SHIPBOARD , This specification is approved for use by the Naval Sea Systems Command, Depart
2、ment of the Navy, and is available for use by all Departments and Agencies f the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers the requirements applicable to the design and construction of centrifugal pumps for main condenser circulating water service on board Naval ships. 1.2
3、 Classification. Pumps shall be of the following types, as specified (see 6.2.1): Type I Type II - Mixed flow. Type III - Radial flow. - Axial flow (propeller type) 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the following specifi
4、cations and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein . Beneficial comments (recommendations, additions, deletions) and any per
5、tinent 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 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this docume
6、nt or by letter. FSC 4320 r 7 THIS DOCUMENT CONTAINS -.f/ PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-Lb82D 43 7977706 0273387 7 W MIL-P-l8682D(SH) SPECIFICATIONS FEDERAL FF-B- 17 1 FF-B- 185 PF-B- 187 QQ-C-390 QQ -C- 4 6 5 QQ-N-28 1
7、QQ-N-286 TT-P-645 GGG-E-950 GGG-P-781 MILITARY MIL-S-90 1 MIL-E-9 17 DOD-D-1000 MIL-S-1222 MIL-C-2212 MIL-S-8660 MIL-P-15024 - Bearings, Ball, Annular (General Purpose). - Bearings, Roller, Cylindrical; and Bearings, Roller, Self-Aligning. - Bearings, Roller, Tapered. - Copper Alloy Castings (Includ
8、ing Cast Bar). - Copper-Aluminum Alloys (Aluminum Bronze) (Copper Alloy Numbers 606, 614, 630, 632M and 642); Rod, Flat Products with Finished Edges (Flat Wire, Strip, and Bar), Shapes, and Forgings. - Nickel-Copper Alloy Bar, Rod, Plate, Sheet, Strip, Wire, Forgings and Structural and Special Shape
9、d Sections. - Nickel-Copper-Aluminum Alloy, Wrought. - Primer, Paint, Zinc-Chromate, Alkyd Type. - Extractor, Stuffing Box and Pump Packing - Puller, Mechanical Pull Attachment, Mechanical, (and Tamper); and Extractor, Lantern Gland. and Puller Set, Mechanical. - Shock Tests, H.I. (High-Impact); Shi
10、pboard Machinery, Equipment, and Systems, Require- ments for. - Electric Power Equipment, Basic Requirements for (Naval Shipboard Use). - Drawings, Engineering and Associated Lists. - Studs, Bolts, Hex Cap Screws, and Nuts. - Controllers, Electric Motor, A.C. or D.C. and - Silicone Compound, Nato Co
11、de Number S-736. - Plates, Tags and Bands for Identification of Associated Switching Devices, Naval Shipboard. Equipment. MIL-P-15024/5 - Plates, Identification. MIL-S-15083 MIL-E-15090 MIL-P-15137 DOD-P-15328 MIL-C-15345 MIL-C-15726 MIL-P-16789 MIL-M-17060 MIL-L-17331 - Steel Castings. - Enamel, Eq
12、uipment, Light-Gray (Formula No. 111). - Provisioning Technical Documentation for Repair Parts for Electrical and Mechanical Equipment (Naval Shipboard Use). for Metals) (Metric). - Primer (Wash), Pretreatment (Formula No. 117 - Castings, Nonferrous, Centrifugal. - Copper-Nickel Alloy, Rod, Flat Pro
13、ducts (Flat Wire, Strip, Sheet, Bar and Plate) and Forgings. - Packaging of Pumps, Including Prime Movers and Associated Repair Parts. - Motors, 60 Hertz, Alternating-Current, Integral Hp. - Lubricating Oil, Steam Turbine and Gear, Moderate Service. 2 Provided by IHSNot for ResaleNo reproduction or
14、networking permitted without license from IHS-,-,-MIL-P-lb2D 43 H 997770b 0273370 5 - MIL-P-l8682D(SH) MILITARY (Continued) MIL-M-17413 - Motors, Direct-Current, Integral Hp (Ship- MIL-T-17523 - Turbine, Steam, Auxiliary (and Reduction Gear) DOD-P-17545 - Primer Coating, Alkyd-Red Lead Type, Formula
15、 MIL-B-17931 - Bearings, Ball, Annular, for Quiet Operation. MIL-C-20159 MIL-E-21562 - Electrodes and Rods - Welding, Bare, Nickel MIL-E-22200/3 - Electrodes, Welding, Covered: Nickel Base MIL-S-22473 - Sealing, Locking, and Retaining Compounds; MIL-C-23233 - Couplings for Propulsion Units, Auxiliar
16、y MIL-N-24106 - Nickel-Copper Alloy Bars, Rods, and Forgings. MIL-P-24337 - Packing Material, Asbestos, Braided, Impreg- board Use). Mechanical Drive. No. 116 and Formula No. 116D (Metric). - Copper-Nickel Alloy (70-30 and 90-10): Castings . Alloy. Alloys; and Cobalt Base Alloy. (Single-Component).
17、Turbines and Line Shafts Naval Shipboard. nated with PTFE (Polytetrafluoroethylene), Surface Lubricated. (Metric). DOD-G-24508 - Grease, High Performance, Multi-Purpose MIL-1-45208 - Inspection System Requirements. STANDARDS FEDERAL FED-STD-H28 - Screw-Thread Standards for Federal Services. PED-STD-
18、H28/2 - Unified Thread Form and Thread Series for Bolts, Screws, Nuts, Tapped Holes and General Applications. MILITARY MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type I - Environmental and Type II - Internally Excited). MIL-STD-271 - Nondestructive Testing Requirements for Metals.
19、 MIL-STD-278 - Fabrication Welding and Inspection; and Casting Inspection and Repair for Machinery, Piping and Pressure Vessels in Ships of the United States Navy Associated Piping Components for Submarine Service . and Acceptance Criteria of Shipboard Equipment. Associated Piping Components for Nav
20、al Surface Ships. Mechanical and Electrical (HM Hull, 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-lBb82D 43 m 7977906 0273373 7 m MIL-P-l8682D(SH) MILITARY (Continued) MS16142 - Boss, Gasket Seal, Straight Thread Tube Fittings, MS18116 -
21、Bolt, Stud, and Socket Cap Head Screw, Nickel- MS18229 - Piug for “O“ Ring Gasket. Standard Dimensions for. Copper-Aluminum Alloy. 2.1.2 Government drawings and publications. The following Government drawings and publications form a part of this specification to the extent specified herein. DRAWINGS
22、 NAVAL SEA SYSTEMS COMMAND B-153 - Packings and Gaskets, Standard Application of. B-214 - Root Connections for Attaching Piping. PUBLICATIONS NAVAL SEA SYSTEMS COMMAND 0900-LP-001-7000 - Fabrication and Inspection of Brazed Piping Systems. 0900-LP-003-8000 - Metals, Surface Inspection Acceptance Sta
23、ndards. 0941-LP-041-3010 - Submarine Safety Design Review Procedures Manual . (Copies of specifications, standards, drawings, and publications required by contractors in connection with speciic acquisition functions should be obtained from the contracting activity or as directed by the contracting o
24、fficer,) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. ASTM A 193 - Alloy-Stee
25、l and Stainless Steel Bolting Materials for High-Temperature Service. (DoD adopted) A 194 - Carbon and Alloy Steel Nuts for Bolts for High- Pressure and High-Temperature Service. A 743 - Corrosion-Resistant Iron-Chromium, Iron-Chromium- Nickel, and Nickel-Base Alloy Castings for General Application.
26、 (DoD adopted) Nickel, and Nickel-Base Alloy Castings for Severe Service. (DoD adopted) B i64 - Nickel-Copper Alloy Rod and Bar. B 369 - Copper-Nickel Alloy Castings. B 443 - Nickel-Chromium-Molybdenum-Columbium Alloy (DoD adopted) A 744 - Corrosion-Resistant Iron-Chromium, Iron-Chromium- (DoD adopt
27、ed) (UNS N06625) Plate, Sheet, and Strip. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-LBbZD V3 979770b 0273372 9 W MIL-P-l8682D(SH) a a a ASTM (Continued) B 446 - Nickel-Chromium-Molybdenum-Columbium Alloy B 463 - Chromium-Nickel-Iron-Mol
28、ybdenum-Copper- (UNS N06625) Rod and Bar. Columbium Stabilized Alloy (UNS N08020) P1 Steel, and Strip. Columbium Stabilized Alloy (UNS N08020) Bar and Wire. B 473 - Chromium-Nickel-Iron-Molybdenum-Copper- t (Application for copies should be addressed to ASTM, 1916 Race Street, Philadelphia, PA 19103
29、.) HYDRAULIC INSTITUTE Test Code of Standards - Centrifugal Pump Section. (Application for copies should be addressed to Hydraulic Institute, 712 Lakewood Center N., 14600 Detroit Avenue, Cleveland, OH 44107.) (Industry association specifications and standards are generally available They are also d
30、istributed among technical groups for reference from libraries. and using Federal agencies.) 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 specifi- cation shall take precedence. 3. REQUIREMENTS 3.1 First a
31、rticle. A sample shall be subjected to first article inspec- On board repair parts and stocked spare parts ordered tion (see 4.3 and 6.3). for pumps built to this specification shall be subject to the same tests as the original equipment. 3.2 General design. The design and construction of pumps shal
32、l comply with the space and weight requirements as specified (see 6.2.1). The pump unit shall perform under the list, pitch, roll and trim conditions as specified (see 6.2.1). Pumps shall operate continuously at any point over the entire flow range and the design conditions as specified (see 6.2.1).
33、 3.2.1 Reliability. The requirements of this specification are imposed exclusively to obtain equipment of utmost reliability for the service intended. The assurance of maximum reliability shall be the paramount controlling principle in the design, fabrication, assembly, and testing of this equipment
34、. Users of and contractors to this specification are urged to communicate to the Naval Sea Systems Command (NAVSEA) any findings related to the requirements or lack of requirements of this specification whereby improvement of equipment reliability can be achieved. On board repair parts and stocked s
35、pare parts ordered for pumps built to this specification shall be subject to the same tests as the original equipment. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 MIL-P-18b82D Li3 m 777770b 0273373 O m MIL-P-l8682D(SH) 3.2.2 The equipment spe
36、cified herein will be operated, maintained, and repaired on board Navy ships. density of shipboard machinery spaces, to the fact that maintenance and repair will be made underway in heavy seas, that equipment will operate unattended, and that maintenance personnel may not be seasoned mechanics. for
37、maximum reliability directly relates to those shipboard environmental and service conditions, and they shall be fully considered in the pump design, The aspects of “human engineering“ shall be fully explored and considered in the equipment design to minimize the possibility of failure through improp
38、er operation and maintenance, and to preclude personnel safety hazards. case shall parts be physically interchangeable or reversible unless such parts are also interchangeable functionally and from considerations of strength. Attention is directed to the high equipment The requirements In no 3.2.2.1
39、 The equipment shall have maximum repair accessibility for ease of examination of wearing parts and for simplicity of disassembly and proper reassembly. means such as shoulder, tongue, and groove or other locating techniques whereby correct reassembly is repeatedly assured. of maintenance and where
40、not already specified, the pump designer shall consider all of the following features for incorporation in the design and technical docusentation wherever such incorporation will significantly contribute to ease of maintenance without compromising performance reliability: Positioning and alinement o
41、f parts in assembly shall employ positive In consonance with the concept of ease Lif ting lugs . Casing assembly guide pins. Alinement and positioning dowels. Jacking screws. Ease of access to couplings. Re-makeable piping connections. Piping out of way of maintenance access. Ease of packing, mechan
42、ical seal, bearing, Split casing, bearing housings, etc., Guards for rotating and moving components. Warning plates to prevent casualties to Provisions for connecting instruments for Attached instruments for monitoring performance. Visibility and access to attached instruments. Thoroughness of opera
43、ting instructions. Thoroughness of preventive maintenance instructions. Explicit assembly and disassembly instructions. Exploded views of critical assemblies. Adequate system diagrams. and wearing ring replacement. (except for submarine service). equipment and personnel. performance evaluation. 3.2.
44、2.2 shall be actual operation. during the life of the pump. pump, parts subject to unavoidable wear and deterioration (with the exception of packing and seals) will be replaced at intervals no shorter than 3 years. parts subject to wear, deterioration, and normally requiring replacement at Each pump
45、 shall have a service life of 30 years of which 40 percent There shall be no limit on the number of starts It shall be assumed that during the life of the The 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-lb2D Y3 W 7777706 027337Y 2 m _ MIL
46、-P-l8682D(SH) 3-year intervals during the service life of the pump (with the exception of packing and seals) shall have a life of 10,000 actual operating hours, and they shall be identified in appropriate drawings and manuals. The requirement set forth above shall not be construed or interpreted as
47、a warranty requirement, nor otherwise affect the manufacturers warranty. 3.2.2.3 In the design of sea-connected pumps for submarine application, Justification of full consideration shall be given to cyclic nature of the pressure loading. design shall be in accordance with NAVSEA 0941-LP-041-3010. de
48、sign to the command or agency concerned shall be made by experimental stress analysis (see 4.6.7.5). The 3.2.3 Shock and vibration. 3.2.3.1 Pumps and drivers, all appurtenances, and controls shall pass a shock test in accordance with MIL-S-901, grade A, as specified in 4.6.7.2. 3.2.3.2 Unless otherw
49、ise specified (see 6.2.1), shock mounts (resilient mounts for shock attenuation) shall not be used. When noise attenuation mounts are specified, the pump shall pass the specified shock test on the noise atten- uation mounts. 3.2.3.3 Bolts designed to be stressed in shear shall be installed in holes with a minimum of clearance. Hole diameters shall be not more than 1/32 inch larger than the bolts for sizes up to and including 3/4 inch, and no more tha
