1、Designation: F 1718 01 (Reapproved 2006)An American National StandardStandard Specification forRotary Positive Displacement Distillate Fuel Pumps1This standard is issued under the fixed designation F 1718; the number immediately following the designation indicates the year oforiginal adoption or, in
2、 the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers the requirements applicable tothe design and constructio
3、n of rotary positive displacementdistillate fuel pumps for shipboard use.1.2 Lineal dimensions and units of force in this specificationare expressed as inches and pounds respectively. A companionmetric standard is in the process of preparation.2. Referenced Documents2.1 ASTM Standards:2A 36/A 36M Sp
4、ecification for Carbon Structural SteelA 53/A 53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessA 106/A 106M Specification for Seamless Carbon SteelPipe for High-Temperature ServiceA 193/A 193M Specification for Alloy-Steel and StainlessSteel Bolting Materials
5、for High Temperature or HighPressure Service and Other Special Purpose ApplicationsA 194/A 194M Specification for Carbon and Alloy SteelNuts for Bolts for High Pressure or High TemperatureService, or BothA 240/A 240M Specification for Chromium andChromium-Nickel Stainless Steel Plate, Sheet, and Str
6、ipfor Pressure Vessels and for General ApplicationsA 269 Specification for Seamless and Welded AusteniticStainless Steel Tubing for General ServiceA 276 Specification for Stainless Steel Bars and ShapesA 312/A 312M Specification for Seamless, Welded, andHeavily Cold Worked Austenitic Stainless Steel
7、 PipesA 354 Specification for Quenched and Tempered AlloySteel Bolts, Studs, and Other Externally Threaded Fasten-ersA 434 Specification for Steel Bars, Alloy, Hot-Wrought orCold-Finished, Quenched and TemperedA 449 Specification for Hex Cap Screws, Bolts and Studs,Steel, Heat Treated, 120/105/90 ks
8、i Minimum TensileStrength, General UseA 563 Specification for Carbons and Alloy Steel NutsA 564/A 564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and ShapesA 574 Specification for Alloy Steel Socket-Head CapScrewsA 582/A 582M Specification for Free-Machining St
9、ainlessSteel BarsA 743/A 743M Specification for Castings, Iron-Chromium,Iron-Chromium-Nickel, Corrosion Resistant, for GeneralApplicationA 747/A 747M Specification for Steel Castings, Stainless,Precipitation HardeningB 148 Specification for Aluminum-Bronze Sand CastingsB 150/B 150M Specification for
10、 Aluminum Bronze Rod,Bar, and ShapesB 209 Specification for Aluminum and Aluminum-AlloySheet and PlateB 221 Specification for Aluminum and Aluminum-AlloyExtruded Bars, Rods, Wire, Profiles, and TubesB 271 Specification for Copper-Base Alloy CentrifugalCastingsB 505/B 505M Specification for Copper Al
11、loy ContinuousCastingsB 584 Specification for Copper Alloy Sand Castings forGeneral ApplicationsD 1418 Practice for Rubber and Rubber LaticesNomenclatureD 2000 Classification System for Rubber Products in Auto-motive ApplicationsD 3951 Practice for Commercial PackagingF 104 Classification System for
12、 Nonmetallic Gasket Mate-rialsF 467 Specification for Nonferrous Nuts for General UseF 468 Specification for Nonferrous Bolts, Hex Cap Screws,and Studs for General UseF 593 Specification for Stainless Steel Bolts, Hex CapScrews, and StudsF 594 Specification for Stainless Steel NutsF 837 Specificatio
13、n for Stainless Steel Socket Head CapScrewsF 880 Specification for Stainless Steel Socket-Set Screws1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.Current edition
14、 approved Dec. 1, 2006. Published January 2007. Originallyapproved in 1997. Last previous edition approved in 2001 as F 1718 01.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informatio
15、n, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.F 912 Specification for Alloy Steel Socket Set ScrewsF 1511 Specification for Mechanical Seals for ShipboardPump Appli
16、cations2.2 ANSI Standard:3B16.24 Pipe Flanges and Flanged Fittings2.3 ANSI/HI Standard:33.6 Rotary Pump Tests2.4 AMS Standards:43215 Acrylonitrile Butadiene (NBR) Rubber Aromatic FuelResistant 65-754676 Bars and Forgings, Corrosion Resistant, Hot Finished,Precipitation Hardenable 66.5 Ni, 3.0 AL, 0.
17、62 Ti, 28 Cu4677 Bars and Forgings, Corrosion Resistant, Annealed66.5 Ni, 2.9 AL, 30 Cu5894 Bars, Sheet, and Plate,Alloy 60 Co, 28 Cr, 4.5 W, 1.15C, Solution Heat Treated2.5 ABMA Standards:59 Load Ratings and Fatigue Life for Ball Bearings11 Load Ratings and Fatigue Life for Roller Bearings2.6 AGMA
18、Standard:6390.03 Gear Classification, Materials and Measuring Meth-ods for Unassembled Gears2.7 Military Standards:7MIL-STD-167-1 (Ships) Mechanical Vibrations of Ship-board Equipment (Type 1Environmental and Type2Internally Excited)MIL-STD-740-1 (Ships) Airborne Sound Measurementsand Acceptance Cri
19、teria of Shipboard EquipmentMIL-STD-740-2 (Ships) Structureborne Vibratory Accel-eration Measurements and Acceptance Criteria of Ship-board Equipment2.8 Military Specifications:7MIL-N-25027 Nut, Self-Locking, 250F, 450F and 800F,125 KSI FTU, 60 KSI FTU and 30 KSI FTUMIL-S-901 Shock Tests, HI (High I
20、mpact) Shipboard Ma-chinery, Equipment and Systems, Requirements for NavyMIL-R-83248 Rubber Fluorocarbon Elastomer, High Per-formance Fluid, and Compression Set Resistant2.9 International Standards Organization Standards:3ISO 9001 Quality Systems and QualityAssuranceDesign/Development, Production, I
21、nstallation, and ServiceISO 9066 Information Processing SystemsTextCommunicationReliable TransferPart 2: ProtocolSpecification3. Terminology3.1 Definitions:3.1.1 capacity, nthe quantity of fluid actually deliveredper unit of time at the rated speed, including both the liquid anddissolved or entraine
22、d gases, under stated operating conditions.3.1.1.1 DiscussionIn the absence of any gas or vaporentering or forming within the pump, the capacity is equal tothe volume displaced per unit of time, less slip.3.1.2 capacity, maximum, nthe quantity of fluid deliveredthat does not exceed the limit determi
23、ned by the formula in4.1.2.1.3.1.3 capacity, rated, nthe minimum quantity of fluiddelivered at the specified conditions of discharge pressure, inletpressure and viscosity as shown in Table 1.3.1.4 displacement, nthe volume displaced per revolutionof the rotor(s).3.1.4.1 DiscussionIn pumps incorporat
24、ing two or morerotors operating at different speeds, the displacement is thevolume displaced per revolution of the driving rotor. Displace-ment depends only on the physical dimensions of the pumpingelements.3.1.5 dry operation, na brief run during priming orstripping with suction and discharge lines
25、 unrestricted andpump chamber wet with liquid but pumping only air or vaporavailable from the suction.3.1.6 effciency, mechanical, nthe ratio of the pumppower output (hydraulic horsepower) to the pump power input(brake horsepower) expressed in percent.3.1.7 effciency, volumetric, nthe ratio of the p
26、umpscapacity to the product of the displacement and the speedexpressed in percent.3.1.8 fuel, clean, nfuel purified for direct use.3.1.9 fuel, dirty, nfuel before purification that may con-tain water and some solids.3.1.10 net positive inlet pressure available (NPIPA), nthetotal inlet pressure avail
27、able from the system at the pump inletconnection at the rated flow, minus the vapor pressure of theliquid at the pumping temperature.3.1.11 net positive inlet pressure required (NPIPR), nthenet pressure above the liquid vapor pressure at rated flow andpumping temperature and at the pump inlet connec
28、tion re-quired to avoid performance impairment due to cavitation.3.1.12 pressure, cracking, nsometimes called set pres-sure, start-to-discharge pressure, or popping pressure; thepressure at which the relief valve just starts to open.3.1.12.1 DiscussionThis pressure cannot be determinedreadily in a r
29、elief valve that bypasses the liquid within thepump.3.1.13 pressure, differential, nthe difference between dis-charge pressure and inlet pressure.3.1.14 pressure, discharge, nthe total pressure at theoutlet of the pump; discharge pressure is sometimes calledoutlet pressure.3Available from American N
30、ational Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from Society of Automotive Engineers (SAE), 400 CommonwealthDr., Warrendale, PA 15096-0001, http:/www.sae.org.5Available from American Bearing Manufacturers Association (ABMA), 2025M Stree
31、t, NW Suite 800, Washington, DC 20036, http:/www.abma-dc.org/.6Available from American Gear Manufacturers Association (AGMA), 500Montgomery St., Suite 350, Alexandria, VA 22314-1581, http:/www.agma.org.7Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,Section D, 700 Robbins Ave.,
32、 Philadelphia, PA 19111-5098, http:/www.dodssp.daps.mil.TABLE 1 Pump SizesSize A B C D E F G HRated capacity (gpm) 10 25 50 75 100 200 300 400Maximum capacity (gpm) 13 30 59 86 114 221 328 433Flange rating (lb) 150 150 150 150 150 150 150 150F 1718 01 (2006)23.1.15 pressure, inlet, nthe total pressu
33、re at the inlet of thepump. Inlet pressure is sometimes called suction pressure.3.1.16 pressure, maximum allowable working, nthe maxi-mum continuous pressure for which the manufacturer hasdesigned the equipment (or any part to which the term isreferred) when handling the specified fluid at the speci
34、fiedtemperature.3.1.16.1 DiscussionThis pressure should not be greaterthan two thirds of the hydrostatic test pressure of the pressurecontaining parts.3.1.17 rated condition, ndefined by discharge pressure,inlet pressure, capacity, and viscosity.3.1.18 rotary pump, na positive displacement pump con-
35、sisting of a casing containing gears, screws, lobes, cams, vanes,shoes, or similar elements actuated by relative rotation betweenthe drive shaft and the casing.3.1.18.1 DiscussionThere are no inlet and outlet valves.These pumps are characterized by their close running clear-ances.3.1.19 slip, nthe q
36、uantity of fluid that leaks through theinternal clearances of a rotary pump per unit of time.3.1.19.1 DiscussionSlip depends on the internal clear-ances, the differential pressure, the characteristics of the fluidhandled and in some cases, the speed.3.1.20 speed, maximum allowable, nin revolutions p
37、erminute, the highest speed at which the manufacturers designwill permit continuous operation.3.1.21 speed, minimum allowable, nin revolutions perminute, the lowest speed at which the manufacturers designwill permit continuous operation.3.1.22 speed, rated, nthe number of revolutions perminute of th
38、e driving rotor required to meet the rated condi-tions.3.1.23 suction lift, na term used to define a pumpscapability to induce a partial vacuum at the pump inlet.3.1.24 temperature, maximum allowable, nthe maximumcontinuous temperature for which the manufacturer has de-signed the equipment (or any p
39、art to which the term is referred)when handling the specified fluid at the specified pressure.3.1.25 unit, pump, nthe pump and motor assembly; it alsoincludes a gear box, base, couplings, guards, as required.4. Classification4.1 Pumps shall be classified as follows:4.1.1 Types:4.1.1.1 Type IIScrews
40、with timing gears.4.1.1.2 Type IIIScrews without timing gears.4.1.1.3 Type IVImpellers with timing gears.4.1.1.4 Type VExternal gear (spur, helical, herringbone,lobe).4.1.1.5 Type VIIIInternal gear, internal rotary lobe.4.1.1.6 Type XVane (sliding).4.1.1.7 Type XISliding shoe.4.1.2 Sizes:4.1.2.1 Sta
41、ndard pump sizes shall be as shown in Table 1.Rated capacity shall be based on 150-psig discharge pressure,10-psia inlet pressure and 32-SSU viscosity (1034-kPa gauge,69 kPa absolute, and 2 centistoke, respectively). Rated capacityequals the minimum capacity. The maximum capacity shall notexceed the
42、 amount determined by the following formula:Qmax5 QF1 111 1 Q0.4G(1)where:Q = the rated capacity (minimum capacity) andQmax= maximum allowable capacity, at 32-SSU viscosityQmaxshall be rounded to nearest whole number.5. Ordering Information5.1 The ordering activity is to provide the following infor-
43、mation to the potential bidders:5.1.1 Title, number, and date of specification.5.1.2 Type and size of each pump (see Section 4).5.1.3 Quantity of each pump type and size (see Table 1).5.1.4 Mounting configuration (vertical, horizontal).5.1.5 Motor characteristics and specifications (see 7.6 andmotor
44、 specification if applicable).5.1.6 Discharge pressure.5.1.7 System relief valve cracking pressure and full flowbypass pressure (see 7.6 and 7.15).5.1.8 Preservation, packaging, packing, and boxing require-ments (see Section 14).5.1.9 Quantity of drawings (see 13.2).5.1.10 Quantity of manuals (see 1
45、3.3).5.1.11 Format and quantity of each type of test report (see12.1.1.4 and S12.3.8).5.1.12 Shock, noise, and vibration requirements, if appli-cable (see S12.3).5.1.13 Types of certified data required (see 12.1.2).5.1.14 Instruction plates and locations, if required.5.1.15 Define shipbuilding speci
46、fication, if applicable (see13.1).6. Materials6.1 Pump component parts shall be constructed of thematerials shown in Table 2.7. General Requirements General Requirements7.1 Pumps shall be designed to pump distillate fuel andaviation turbine fuel with a viscosity range of 32 to 100 SSU(2 to 21 cSt).7
47、.2 Pumps shall be capable of sustained operation duringinclinations up to 45 in any direction.7.3 The pumps shall be capable of withstanding environ-mental vibration induced by shipboard machinery and equip-ment in the frequency range of 4 to 25 Hz.7.4 The internally excited vibration levels of the
48、pump shallnot exceed 0.003-in. (0.076-mm) displacement peak to peakduring rated operation when readings are measured on thepump case near the coupling perpendicular to the pump shaft.7.5 At the conditions in 4.1.2, the airborne noise level of thepump unit shall meet the requirements in Table 3.7.6 T
49、he pump shall be driven by an electric motor. Thedriver shall be sized for maximum flow at the relief valve fullflow bypass pressure, at maximum viscosity.F 1718 01 (2006)37.7 If a reduction gear is required between the driver and thepump, it shall be provided by the pump manufacturer. Reduc-tion gears shall meet the requirements of the American GearManufacturersAssociation Gear Hand Book Volume 1,AGMA390.03. Minimum acceptable gears are AGMA Class 7 andminimum acceptable pinions are AGMA Class 8. Bearingsshall be designe
