1、Designation: F 2798 09Standard Specification forSealless Lube Oil Pump with Oil Through Motor for MarineApplications1This standard is issued under the fixed designation F 2798; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the ye
2、ar of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification defines the requirements applicable todesign, construction and testing of sealless, rotary po
3、sitivedisplacement pumps with oil-through motors for ship lubricat-ing oil service. The complete pump and motor assembly isreferred to as canned lube oil pump (CLP). This specificationapplies to CLPs pumping oil with a SAE rating of 20-50.1.2 This standard does not purport to address all of thesafet
4、y concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2A27/A27M Specification for Steel
5、Castings, Carbon, forGeneral ApplicationA159 Specification for Automotive Gray Iron CastingsA193/A193M Specification for Alloy-Steel and StainlessSteel Bolting Materials for High Temperature or HighPressure Service and Other Special Purpose ApplicationsA194/A194M Specification for Carbon and Alloy S
6、teelNuts for Bolts for High Pressure or High TemperatureService, or BothA216/A216M Specification for Steel Castings, Carbon,Suitable for Fusion Welding, for High-Temperature Ser-viceA395/A395M Specification for Ferritic Ductile IronPressure-Retaining Castings for Use at Elevated Tempera-turesA449 Sp
7、ecification for Hex Cap Screws, Bolts and Studs,Steel, Heat Treated, 120/105/90 ksi Minimum TensileStrength, General UseA536 Specification for Ductile Iron CastingsA563 Specification for Carbon and Alloy Steel NutsA564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Stee
8、l Bars and ShapesA574 Specification for Alloy Steel Socket-Head CapScrewsA582/A582M Specification for Free-Machining StainlessSteel BarsB23 Specification for White Metal Bearing Alloys (KnownCommercially as “Babbitt Metal”)B148 Specification for Aluminum-Bronze Sand CastingsB152/B152M Specification
9、for Copper Sheet, Strip, Plate,and Rolled BarB187M Specification for Copper Bar, Bus Bar, Rod andShapes Metric3B271 Specification for Copper-Base Alloy CentrifugalCastingsB505/B505M Specification for Copper Alloy ContinuousCastingsB584 Specification for Copper Alloy Sand Castings forGeneral Applicat
10、ionsD2000 Classification System for Rubber Products in Auto-motive ApplicationsD3951 Practice for Commercial PackagingF912 Specification for Alloy Steel Socket Set ScrewsF1510 Specification for Rotary Positive DisplacementPumps, Ships Use2.2 ASME/ANSI Standard:4ASME/ANSI B16.5 Pipe Flanges and Flang
11、ed Fittings2.3 Hydraulic Institute Standard:5ANSI/HI 3.6 Rotary Pump Tests2.4 AISI Standards:61018 Carbon Steel1045 Carbon Steel1141 Carbon Steel1144 Carbon Steel1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subc
12、ommittee F25.11 onMachinery and Piping Systems.Current edition approved Oct. 1, 2009. Published November 2009.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the st
13、andards Document Summary page onthe ASTM website.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.or
14、g.5Available from Hydraulic Institute, 6 Campus Drive, First Floor North,Parsippany NJ 07054-44066Available from American Iron and Steel Institute (AISI), 1140 ConnecticutAve., NW, Suite 705, Washington, DC 20036, http:/www.steel.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700,
15、 West Conshohocken, PA 19428-2959, United States.4140 Chromium-molybdenum steel4150 Chromium-molybdenum steel4340 Nickel-chromium-molybdenum steel2.5 AIA Standard:7NASM 178292.6 API Standard:8API Standard 676 Positive Displacement PumpsRotary3. Terminology3.1 Definitions of Terms Specific to This St
16、andard:3.2 canned lube oil pump unita unit, which when as-sembled as a pump and motor, is completely sealed fromleakage to the environment. Lubrication and cooling of motorbearings and primary cooling of motor windings and insulationare achieved by circulating a portion of the fluid being pumped(oil
17、) through the motor.3.3 capacitythe quantity of fluid actually delivered perunit of time at the rated speed, including both the liquid anddissolved or entrained gases, under stated operating conditions.In the absence of any gas or vapor entering or forming withinthe pump, the capacity is equal to th
18、e volume displaced per unitof time, less slip, motor bearing lubrication and motor coolingflows.3.4 displacementthe volume of fluid displaced per revo-lution of the rotor(s).3.5 rated condition pointthe required capacity at speed,pressure, viscosity and power as specified by the purchaser.3.6 slipth
19、e quantity of fluid that leaks through internalclearances of a pump per unit of time.4. Classification4.1 Pumps will be classified as follows:4.1.1 Type IIScrews with timing gears4.1.2 Type IIIScrews without timing gears4.1.3 Type XVane (sliding)4.1.4 Type XISliding shoe4.2 Motor Types:Oil-through t
20、ype that uses the oil to cool the motor andlubricate the bearings.5. Ordering Information5.1 The ordering activity shall provide manufacturers withthe following information:5.1.1 Title, name and date of specification5.1.2 Type and size (see Section 4)5.1.3 Oil to be pumped (for example, 2190 TEP SAE
21、 40)5.1.4 Operating Conditions:Single speed, two-speed, or variable speed. (See 9.1.)5.1.5 Capacity in gallons per minute or litres per minute atrated discharge pressure at specified operating condition.5.1.6 Discharge pressure in pound-force per square inchgauge (psig) or kilopascal (kPa) gauge at
22、specified operatingcondition.5.1.7 Inlet pressure conditions (NPIPA)5.1.8 Oil Viscosity and temperature for minimum and maxi-mum operating conditions.5.1.9 External motor cooling oil supply, if required. (See9.4.)5.1.10 Mounting configuration (vertical, horizontal).5.1.11 Relief valve cracking press
23、ure. (See 9.1.)5.1.12 Airborne noise level (if different than 7.4).5.1.13 Packaging and boxing requirements (immediate use,domestic; storage, domestic; or overseas)5.1.14 Quantity of pumps.5.1.15 Quantity of drawings.5.1.16 Quantity of technical manuals.5.1.17 Quantity of test reports, if required.
24、(See Section 10.)5.1.18 Certified test data, if required. (See 10.3.)5.1.19 IACS (International Association of ClassificationSocieties) classification with applicable notions, if required.5.1.20 Motor Characteristics:5.1.20.1 Voltage/phase/frequency5.1.20.2 DutyContinuous5.1.20.3 Ambient Temperature
25、50C5.1.20.4 EnclosureTotally enclosed, oil through.5.1.20.5 InsulationClass F, (vacuum pressure impregna-tion (VPI)5.1.20.6 Conduit box orientation. (See 7.6.)6. Material6.1 Materials of principal pump components shall be inaccordance with Table 1.6.1.1 Materials other than shown in Table 1 are cons
26、ideredexceptions and are subject to approval by the purchaser beforeusage6.2 Materials of principal motor components shall be inaccordance with Table 2.6.2.1 Materials other than shown in Table 2 are consideredexceptions and are subject to approval by the purchaser beforeusage.7. General Requirement
27、s7.1 CLPs shall be capable of sustained operation duringinclinations up to 45 in any direction.7.2 CLPs shall be capable of withstanding external vibrationin the frequency range of 4 to 25 Hz.7.3 The internally excited vibration levels (displacement,peak to peak) of the CLP shall not exceed the foll
28、owing:RPM (SYN) Displacement, Peak to Peak, Mils3600 0.71800 1.41200 1.8900 2.2600 2.67.4 At normal operating conditions, the airborne noise levelof the pump shall not exceed 85 dBA.7.5 CLPs shall be designed such that no damage will resultfrom reverse rotations of at least a one-minute duration wit
29、h norestriction in flow of oil to or from the CLP.7Available from Aerospace Industries Association of America, Inc. (AIA), 1000Wilson Blvd., Suite 1700,Arlington, VA22209-3928, http:/www.aia-aerospace.org.8Available from American Petroleum Institute (API), 1220 L. St., NW, Wash-ington, DC 20005-4070
30、, http:/www.api.org.F27980927.6 Unless otherwise specified, vertical CLPs shall be as-sembled with the conduit box mounted over the pump outletflange. Conduit box cable entrance shall be oriented down-ward, unless otherwise specified. Horizontal pumps shallspecify orientation of conduit box.7.7 The
31、connection between the motor shaft and the pumprotor shall be splined or consist of a rigid connection.7.8 To facilitate and maintain alignment, the motor bracketto pump joint shall be rabbetted.7.9 Motor bracket to pump joint shall be o-ring sealed.7.10 Direction of rotation shall be indicated by a
32、n arrowcast into the pump or by a label plate attached to the CLP.7.11 An internal or separate relief valve is not required to beprovided with the CLP.8. Pump Design8.1 Pump inlet and outlet connections shall be flanged.Pump flanges shall mate to ASME/ANSI B16.5 pipe flanges.Cast iron and non-ferrou
33、s material case flanges shall be flatface, unless otherwise stated in the ordering data. Flangedconnections shall meet the external forces and momentsrequirements in API Standard 676. Spool piece adapters(threaded and seal-welded, or O-ring sealed to the pump caseon one end and flanged on the other
34、end) may be furnished tomeet the flanged inlet and outlet requirement.8.2 Pumps of capacity 100 gpm and greater shall beequipped with vent, drain, inlet, and outlet gage connections.Where threaded connections are used they shall be straightTABLE 1 Materials of Principal Pump ComponentsApplication Ma
35、terial SpecificationCasings, Covers (Pressure Boundary) Nodular Iron ASTM A395/A395M, GR. 60-40-18 orASTM A536, GR. 65-45-12Bronze ASTM B505/B505M, B271,orB584,UNS C93200 or C93700Cast Steel ASTM A27/A27M, GR. 65-35 orASTM A216/A216M, GR. WCBAluminum Bronze ASTM B148, UNS C95400Rotor(s), Shaft(s) Al
36、loy Steel AISI 4150 RS orAISI 4140-4150Gray Iron ASTM A159, GR. G3500 orcontinuous cast equivalentsNodular Iron ASTM A536, GR. 80-55-06 orcontinuous cast equivalentsCarbon Steel AISI 1045, 1141 or 1144Bronze ASTM B505/B505M, B271 or B584UNS C93200 or C93700Stainless Steel ASTM A564/A564M, UNS S17400
37、ASTM A582/A582M, UNS S41600Rotor Housings or Cylinder Liners, Bushings, Thrust Elements,DiscsBronze ASTM B505/B505M, B271 or B584, UNS C93200 or C93700Gray Iron ASTM A159, GR. G3500 or continuous cast equivalentsSteel/Babbitt AISI C1018-12L15/ASTM B23, ALLOY 2Aluminum Bronze ASTM B148, UNS C95400Hex
38、 Head Cap Screws Steel ASTM A449, TYPE I or SAE J429, GR. 5Hex Socket Head Cap Screws Alloy Steel ASTM A574Hex Nuts Steel ASTM A194/A194M, GR. 2HAlloy Steel ASTM A563, GR. DH or SAE GR. 8Hex Nuts, Slf Lkg Steel, Zn Plated NASM 17829 / MS17829Socket Set Screws Alloy Steel ASTM F912Studs Alloy Steel A
39、STM A193/A193M, GR. B7O-Rings Fluorocarbon ASTM D2000,TY.HKTABLE 2 Materials of Principal Motor ComponentsApplication Material SpecificationFrame Nodular Iron ASTM A395/A395M, GR. 60-40-18 orASTM A536, GR. 65-45-12Housings Nodular Iron ASTM A395/A395M, GR. 60-40-18 orASTM A536, GR. 65-45-12Shaft All
40、oy Steel AISI 4340Ball Bearings Steel CID A-A-59585CID A-A-59584Bearing Caps Steel CommercialShrink Ring Steel CommercialRotor Bar Copper ASTM B187MRotor End Ring Copper ASTM B152/B152MRotor Core Plate Elec. Sheet Steel CommercialStator End Plate Steel CommercialStator Core Plate Elec. Sheet Steel C
41、ommercialHex Head Cap Screws Steel ASTM A449, TYPE I orSAE J429, GR. 5Hex Socket Head Cap Screws Alloy Steel ASTM A574Lock Washers Steel CommercialF2798093thread with O-ring seal. Tapered pipe thread connections areprohibited. Small capacity pumps (under 100 gpm) do notrequire vent, drain, and gage
42、connections.8.3 Pumps shall be designed to counteract radial and axialthrust loads encountered during operation.8.4 Pumps shall be self-priming and capable of removing airfrom the suction lines.8.5 Pumps shall be designed to handle up to 8 % entrainedair.9. Motor Design9.1 Motors may be single speed
43、, two-speed or single speedwith a variable speed drive to support pump operation atvarious temperatures and viscosities. Single speed motors shallbe sized for the maximum flow at the system relief valvecracking pressure at maximum viscosity. If a two speed motoris specified, rating of the low speed
44、winding shall be based onpower required at the low speed with maximum viscosity oilduring cold startup. The high speed winding rating shall bebased on power required at pump rated conditions. Motorsdriven by variable speed drive units should be sized so that themotor can support pump cold start-up o
45、peration and normalrated condition operation without overloading the motor.9.2 Motors shall be rated for continuous duty for all ratings.9.3 Motors shall be equipped with a high point fill connec-tion for filling the CLP unit with oil at initial start-up and a lowpoint drain connection. Where thread
46、ed connections are usedthey shall be straight thread with O-ring seal. Tapered pipethread connections are prohibited.9.4 A method to supply cooling and lubricating oil to themotor and motor bearings must be provided. The cooling oilshall be supplied by either internal pump passages or anexternal sys
47、tem connection. When an external cooling methodis chosen, supplier shall provide motor cooling oil pressure,temperature and flow requirements to the purchaser. Wherethreaded connections are used they shall be straight thread withO-ring seal. Tapered pipe thread connections are prohibited.9.5 Motors
48、shall be equipped with an inspection cover,o-ring sealed, for verification of direction of shaft rotation.9.6 The motor enclosure shall contain the cooling/lubricating oil pressure. Where external cooling flow is pro-vided, the cooling oil shall be provided at a maximum of 20psig.9.7 Motor bearings
49、shall be lubricated by the pumping fluid.10. Test Requirements10.1 GeneralAll equipment shall be tested in accor-dance with 10.2.10.1.1 Equipment for specified tests shall be provided bythe manufacturer.10.2 Hydrostatic Test:10.2.1 Each pump casing shall be tested hydrostatically to aminimum of 150 percent of discharge pressure (see 5.1.6). Thehydrostatic test shall be considered satisfactory when no leaksare observed for a minimum of 5 min. Seepage past internalclosures required for segmented casing testing and operating ofthe hydrostatic test pump to maintai
