ASTM F1718-01(2006)

Standard Specification for Rotary Positive Displacement Distillate Fuel Pumps

ABSTRACT
This specification covers the design and construction requirements of rotary positive displacement distillate fuel pumps intended for use in shipboard. Pumps covered by this specification are of Types II, III, IV, V, VIII, X, and XI and of sizes A-H. The pump shall be manufactured capable of sustaining operation in any direction up to a certain inclination, shall withstand environmental vibration induced by shipboard machinery and equipment, shall be driven by an electric motor, and besides distillate fuel, the pump shall also be used to pump aviation turbine fuel. Performance acceptance tests shall be performed, including mechanical running test, noise test, and hydrostatic test, and shall conform to the requirements specified.
SCOPE
1.1 This specification covers the requirements applicable to the design and construction of rotary positive displacement distillate fuel pumps for shipboard use.  
1.2 Lineal dimensions and units of force in this specification are expressed in inches and pounds respectively. A companion metric standard is in the process of preparation.

General Information

• Status: Historical
• Publication Date: 30-Nov-2006
• ICS: 47.020.20 - Marine engines and propulsion systems
• Technical Committee: F25 - Ships and Marine Technology
• Drafting Committee: F25.11 - Machinery and Piping Systems

Relations

• Replaces: ASTM F1718-01 - Standard Specification for Rotary Positive Displacement Distillate Fuel Pumps
• Effective Date: 01-Dec-2006
• Replaced By: ASTM F1718-01(2013) - Standard Specification for Rotary Positive Displacement Distillate Fuel Pumps
• Effective Date: 01-May-2013

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F1718 −01(Reapproved 2006) An American National Standard
Standard Specification for
Rotary Positive Displacement Distillate Fuel Pumps
This standard is issued under the fixed designation F1718; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope A449Specification for Hex Cap Screws, Bolts and Studs,
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile
1.1 This specification covers the requirements applicable to
Strength, General Use
the design and construction of rotary positive displacement
A563Specification for Carbon and Alloy Steel Nuts
distillate fuel pumps for shipboard use.
A564/A564M Specification for Hot-Rolled and Cold-
1.2 Linealdimensionsandunitsofforceinthisspecification
Finished Age-Hardening Stainless Steel Bars and Shapes
are expressed as inches and pounds respectively.Acompanion
A574SpecificationforAlloySteelSocket-HeadCapScrews
metric standard is in the process of preparation.
A582/A582MSpecification for Free-Machining Stainless
Steel Bars
2. Referenced Documents
A743/A743MSpecification for Castings, Iron-Chromium,
2.1 ASTM Standards:
Iron-Chromium-Nickel, Corrosion Resistant, for General
A36/A36MSpecification for Carbon Structural Steel
Application
A53/A53MSpecification for Pipe, Steel, Black and Hot-
A747/A747MSpecification for Steel Castings, Stainless,
Dipped, Zinc-Coated, Welded and Seamless
Precipitation Hardening
A106/A106MSpecification for Seamless Carbon Steel Pipe
B148Specification for Aluminum-Bronze Sand Castings
for High-Temperature Service
B150/B150MSpecification forAluminum Bronze Rod, Bar,
A193/A193MSpecification for Alloy-Steel and Stainless
and Shapes
Steel Bolting for High Temperature or High Pressure
B209Specification for Aluminum and Aluminum-Alloy
Service and Other Special Purpose Applications
Sheet and Plate
A194/A194MSpecificationforCarbonandAlloySteelNuts
B221Specification forAluminum andAluminum-Alloy Ex-
for Bolts for High Pressure or High Temperature Service,
truded Bars, Rods, Wire, Profiles, and Tubes
or Both
B271Specification for Copper-BaseAlloy Centrifugal Cast-
A240/A240MSpecification for Chromium and Chromium-
ings
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
B505/B505MSpecification for Copper Alloy Continuous
Vessels and for General Applications
Castings
A269Specification for Seamless and Welded Austenitic
B584Specification for Copper Alloy Sand Castings for
Stainless Steel Tubing for General Service
General Applications
A276Specification for Stainless Steel Bars and Shapes
D1418 Practice for Rubber and Rubber Latices—
A312/A312M Specification for Seamless, Welded, and
Nomenclature
Heavily Cold Worked Austenitic Stainless Steel Pipes
D2000Classification System for Rubber Products in Auto-
A354Specification for Quenched and TemperedAlloy Steel
motive Applications
Bolts, Studs, and Other Externally Threaded Fasteners
D3951Practice for Commercial Packaging
A434Specification for Steel Bars, Alloy, Hot-Wrought or
F104Classification System for Nonmetallic Gasket Materi-
Cold-Finished, Quenched and Tempered
als
F467Specification for Nonferrous Nuts for General Use
F468Specification for Nonferrous Bolts, Hex Cap Screws,
This specification is under the jurisdiction ofASTM Committee F25 on Ships and Studs for General Use
and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
F593Specification for Stainless Steel Bolts, Hex Cap
Machinery and Piping Systems.
Screws, and Studs
Current edition approved Dec. 1, 2006. Published January 2007. Originally
F594Specification for Stainless Steel Nuts
approved in 1997. Last previous edition approved in 2001 as F1718–01. DOI:
10.1520/F1718-01R06.
F837Specification for Stainless Steel Socket Head Cap
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Screws
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
F880Specification for Stainless Steel Socket-Set Screws
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. F912Specification for Alloy Steel Socket Set Screws
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1718−01 (2006)
F1511Specification for Mechanical Seals for Shipboard 3.1.1 capacity, n—the quantity of fluid actually delivered
Pump Applications perunitoftimeattheratedspeed,includingboththeliquidand
dissolvedorentrainedgases,understatedoperatingconditions.
2.2 ANSI Standard:
3.1.1.1 Discussion—In the absence of any gas or vapor
B16.24Pipe Flanges and Flanged Fittings
entering or forming within the pump, the capacity is equal to
2.3 ANSI/HI Standard:
the volume displaced per unit of time, less slip.
3.6Rotary Pump Tests
4 3.1.2 capacity, maximum, n—thequantityoffluiddelivered
2.4 AMS Standards:
that does not exceed the limit determined by the formula in
3215Acrylonitrile Butadiene (NBR) Rubber Aromatic Fuel
4.1.2.1.
Resistant 65-75
3.1.3 capacity, rated, n—the minimum quantity of fluid
4676Bars and Forgings, Corrosion Resistant, Hot Finished,
deliveredatthespecifiedconditionsofdischargepressure,inlet
Precipitation Hardenable 66.5 Ni, 3.0AL, 0.62 Ti, 28 Cu
pressure and viscosity as shown in Table 1.
4677BarsandForgings,CorrosionResistant,Annealed66.5
Ni, 2.9 AL, 30 Cu
3.1.4 displacement, n—the volume displaced per revolution
5894Bars,Sheet,andPlate,Alloy60Co,28Cr,4.5W,1.15
of the rotor(s).
C, Solution Heat Treated
3.1.4.1 Discussion—In pumps incorporating two or more
rotors operating at different speeds, the displacement is the
2.5 ABMA Standards:
volume displaced per revolution of the driving rotor. Displace-
9Load Ratings and Fatigue Life for Ball Bearings
ment depends only on the physical dimensions of the pumping
11 Load Ratings and Fatigue Life for Roller Bearings
elements.
2.6 AGMA Standard:
3.1.5 dry operation, n—a brief run during priming or
390.03Gear Classification, Materials and Measuring Meth-
ods for Unassembled Gears stripping with suction and discharge lines unrestricted and
pump chamber wet with liquid but pumping only air or vapor
2.7 Military Standards:
available from the suction.
MIL-STD-167-1(Ships) Mechanical Vibrations of Ship-
board Equipment (Type 1—Environmental and Type 3.1.6 effıciency, mechanical, n—the ratio of the pump
2—Internally Excited) power output (hydraulic horsepower) to the pump power input
MIL-STD-740-1(Ships)AirborneSoundMeasurementsand (brake horsepower) expressed in percent.
Acceptance Criteria of Shipboard Equipment
3.1.7 effıciency, volumetric, n—the ratio of the pump’s
MIL-STD-740-2(Ships) StructureborneVibratoryAccelera-
capacity to the product of the displacement and the speed
tion Measurements andAcceptance Criteria of Shipboard
expressed in percent.
Equipment
3.1.8 fuel, clean, n—fuel purified for direct use.
2.8 Military Specifications:
3.1.9 fuel, dirty, n—fuelbeforepurificationthatmaycontain
MIL-N-25027Nut, Self-Locking, 250°F, 450°F and 800°F,
water and some solids.
125 KSI FTU, 60 KSI FTU and 30 KSI FTU
3.1.10 net positive inlet pressure available (NPIPA), n—the
MIL-S-901Shock Tests, HI (High Impact) Shipboard Ma-
total inlet pressure available from the system at the pump inlet
chinery, Equipment and Systems, Requirements for Navy
connection at the rated flow, minus the vapor pressure of the
MIL-R-83248 Rubber Fluorocarbon Elastomer, High Per-
liquid at the pumping temperature.
formance Fluid, and Compression Set Resistant
3.1.11 net positive inlet pressure required (NPIPR), n—the
2.9 International Standards Organization Standards:
net pressure above the liquid vapor pressure at rated flow and
ISO9001Quality Systems and QualityAssurance—Design/
pumping temperature and at the pump inlet connection re-
Development, Production, Installation, and Service
quired to avoid performance impairment due to cavitation.
ISO 9066 Information Processing Systems—Text
Communication—Reliable Transfer—Part 2: Protocol
3.1.12 pressure, cracking, n—sometimescalledsetpressure,
Specification
start-to-dischargepressure,orpoppingpressure;thepressureat
which the relief valve just starts to open.
3. Terminology
3.1.12.1 Discussion—This pressure cannot be determined
readily in a relief valve that bypasses the liquid within the
3.1 Definitions:
pump.
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
TABLE 1 Pump Sizes
4th Floor, New York, NY 10036, http://www.ansi.org.
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Size A B C D E F G H
Dr., Warrendale, PA 15096-0001, http://www.sae.org.
Available from American Bearing Manufacturers Association (ABMA), 2025
Rated capacity (gpm) 10 25 50 75 100 200 300 400
M Street, NW Suite 800, Washington, DC 20036, http://www.abma-dc.org/.
Available from American Gear Manufacturer’s Association (AGMA), 500
Maximum capacity (gpm) 13 30 59 86 114 221 328 433
Montgomery St., Suite 350, Alexandria, VA 22314-1581, http://www.agma.org.
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
Flange rating (lb) 150 150 150 150 150 150 150 150
Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
www.dodssp.daps.mil.
F1718−01 (2006)
3.1.13 pressure, differential, n—the difference between dis- 4.1.1.5 Type VIII—Internal gear, internal rotary lobe.
charge pressure and inlet pressure. 4.1.1.6 Type X—Vane (sliding).
4.1.1.7 Type XI—Sliding shoe.
3.1.14 pressure, discharge, n—the total pressure at the
4.1.2 Sizes:
outlet of the pump; discharge pressure is sometimes called
4.1.2.1 Standard pump sizes shall be as shown in Table 1.
outlet pressure.
Rated capacity shall be based on 150-psig discharge pressure,
3.1.15 pressure, inlet, n—thetotalpressureattheinletofthe
10-psia inlet pressure and 32-SSU viscosity (1034-kPa gauge,
pump. Inlet pressure is sometimes called suction pressure.
69kPaabsolute,and2centistoke,respectively).Ratedcapacity
3.1.16 pressure, maximum allowable working, n—the maxi-
equalstheminimumcapacity.Themaximumcapacityshallnot
mum continuous pressure for which the manufacturer has
exceed the amount determined by the following formula:
designed the equipment (or any part to which the term is
referred) when handling the specified fluid at the specified
Q 5 Q 11 (1)
F G
0.4
max
11Q
temperature.
3.1.16.1 Discussion—This pressure should not be greater where:
than two thirds of the hydrostatic test pressure of the pressure
Q = the rated capacity (minimum capacity) and
containing parts.
Q = maximum allowable capacity, at 32-SSU viscosity
max
Q shall be rounded to nearest whole number.
3.1.17 rated condition, n—defined by discharge pressure,
max
inlet pressure, capacity, and viscosity.
5. Ordering Information
3.1.18 rotary pump, n—a positive displacement pump con-
5.1 The ordering activity is to provide the following infor-
sistingofacasingcontaininggears,screws,lobes,cams,vanes,
mation to the potential bidders:
shoes,orsimilarelementsactuatedbyrelativerotationbetween
5.1.1 Title, number, and date of specification.
the drive shaft and the casing.
5.1.2 Type and size of each pump (see Section 4).
3.1.18.1 Discussion—There are no inlet and outlet valves.
5.1.3 Quantity of each pump type and size (see Table 1).
These pumps are characterized by their close running clear-
5.1.4 Mounting configuration (vertical, horizontal).
ances.
5.1.5 Motor characteristics and specifications (see 7.6 and
3.1.19 slip, n—the quantity of fluid that leaks through the
motor specification if applicable).
internal clearances of a rotary pump per unit of time.
5.1.6 Discharge pressure.
3.1.19.1 Discussion—Slip depends on the internal clear-
5.1.7 System relief valve cracking pressure and full flow
ances, the differential pressure, the characteristics of the fluid
bypass pressure (see 7.6 and 7.15).
handled and in some cases, the speed.
5.1.8 Preservation, packaging, packing, and boxing require-
ments (see Section 14).
3.1.20 speed, maximum allowable, n—in revolutions per
5.1.9 Quantity of drawings (see 13.2).
minute, the highest speed at which the manufacturers’ design
will permit continuous operation. 5.1.10 Quantity of manuals (see 13.3).
5.1.11 Format and quantity of each type of test report (see
3.1.21 speed, minimum allowable, n—in revolutions per
12.1.1.4 and S12.3.8).
minute, the lowest speed at which the manufacturers’ design
5.1.12 Shock, noise, and vibration requirements, if appli-
will permit continuous operation.
cable (see S12.3).
3.1.22 speed, rated, n—the number of revolutions per
5.1.13 Types of certified data required (see 12.1.2).
minute of the driving rotor required to meet the rated condi-
5.1.14 Instruction plates and locations, if required.
tions.
5.1.15 Define shipbuilding specification, if applicable (see
3.1.23 suction lift, n—a term used to define a pump’s
13.1).
capability to induce a partial vacuum at the pump inlet.
6. Materials
3.1.24 temperature, maximum allowable, n—the maximum
6.1 Pump component parts shall be constructed of the
continuous temperature for which the manufacturer has de-
materials shown in Table 2.
signedtheequipment(oranyparttowhichthetermisreferred)
when handling the specified fluid at the specified pressure.
7. General Requirements
3.1.25 unit, pump, n—thepumpandmotorassembly;italso
7.1 Pumps shall be designed to pump distillate fuel and
includes a gear box, base, couplings, guards, as required.
aviation turbine fuel with a viscosity range of 32 to 100 SSU
(2 to 21 cSt).
4. Classification
7.2 Pumps shall be capable of sustained operation during
4.1 Pumps shall be classified as follows:
inclinations up to 45° in any direction.
4.1.1 Types:
7.3 The pumps shall be capable of withstanding environ-
4.1.1.1 Type II—Screws with timing gears.
mental vibration induced by shipboard machinery and equip-
4.1.1.2 Type III—Screws without timing gears.
ment in the frequency range of 4 to 25 Hz.
4.1.1.3 Type IV—Impellers with timing gears.
4.1.1.4 Type V—External gear (spur, helical, herringbone, 7.4 Theinternallyexcitedvibrationlevelsofthepumpshall
lobe). not exceed 0.003-in. (0.076-mm) displacement peak to peak
F1718−01 (2006)
TABLE 2 Materials
Component Materials Specification (UNS)
Casings, heads and covers Aluminum bronze B148 (C95800)
Leaded tin bronze B584 (C93700)
Stainless steel, precipitation hardening A747/A747M
Shafts Ni-Cu-Al alloy (Monel K-500) AMS 4676, AMS 4677 (N05500)
Stainless steel A564/A564M (S17400)
Rotors Aluminum bronze B150/B150M (C63000)
Leaded tin bronze B584 (C93700)
Ni-Cu-Al alloy (Monel K-500) AMS 4676, A
...

This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
An American National Standard
Designation:F 1718–01 Designation: F1718 – 01 (Reapproved 2006)
Standard Specification for
Rotary Positive Displacement Distillate Fuel Pumps
This standard is issued under the fixed designation F1718; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 Thisspecificationcoverstherequirementsapplicabletothedesignandconstructionofrotarypositivedisplacementdistillate
fuel pumps for shipboard use.
1.2 Lineal dimensions and units of force in this specification are expressed as inches and pounds respectively. A companion
metric standard is in the process of preparation.
2. Referenced Documents
2.1 ASTM Standards:
A36/A36M Specification for Carbon Structural Steel
A53/A53M Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
A106106/A106M Specification for Seamless Carbon Steel Pipe for High-Temperature Service
A193/A193M Specification forAlloy-Steel and Stainless Steel Bolting Materials for High-Temperature Service Specification
for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose
Applications
A194/A194M Specification for Carbon andAlloy Steel Nuts for Bolts for High Pressure or HighTemperature Service, or Both
A240/A240M Specification for Heat-Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for
Pressure Vessels and for General Applications
A269 Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
A276 Specification for Stainless Steel Bars and Shapes
A312/A312M Specification for Seamless, Welded, and Welded Heavily Cold Worked Austenitic Stainless Steel Pipes
A354354 Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
A434 Specification for Steel Bars, Alloy, Hot-Wrought or Cold-Finished, Quenched and Tempered
A449 Specification for Quenched and Tempered Steel Bolts and Studs Specification for Hex Cap Screws, Bolts and Studs,
Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use
A563 Specification for Carbon and Alloy Steel Nuts
A564/A564M Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A574 Specification for Alloy Steel Socket-Head Cap Screws
A582/A582M Specification for Free-Machining Stainless Steel Bars
A743/A743M Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion- Resistant, for GeneralApplica-
tion
A747/A747M Specification for Steel Castings, Stainless, Precipitation Hardening
B148 Specification for Aluminum-Bronze Sand Castings
B150150/B150M Specification for Aluminum Bronze Rod, Bar, and Shapes
B209 Specification for Aluminum and Aluminum-Alloy Sheet and Plate
B221 Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes
B271 Specification for Copper-Base Alloy Centrifugal Castings
B505505/B505M Specification for Copper-BaseCopper Alloy Continuous Castings
B584 Specification for Copper Alloy Sand Castings for General Applications
D1418 Practice for Rubber and Rubber Lattices— LaticesNomenclature
This specification is under the jurisdiction of ASTM Committee F25 on Ships and Marine Technology and is the direct responsibility of Subcommittee F25.11 on
Machinery.
Current edition approved June 10, 2001. Published September 2001. Originally published as F 1718-97. Previous edition F 1718-99.on Machinery and Piping Systems.
Current edition approved Dec. 1, 2006. Published January 2007. Originally approved in 1997. Last previous edition approved in 2001 as F1718–01. DOI:
10.1520/F1718-01R06.
ForreferencedASTMstandards,visittheASTMwebsite,www.astm.org,[e-mail] Annual Book of ASTM Standards
, Vol 01.04.volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
F1718 – 01 (2006)
D2000 Classification System for Rubber Products in Automotive Applications
D39513951 Practice for Commercial Packaging
F104 Classification System for Nonmetallic Gasket Materials
F467 Specification for Nonferrous Nuts for General Use
F468 Specification for Nonferrous Bolts, Hex Cap Screws, and Studs for General Use
F593593 Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
F594 Specification for Stainless Steel Nuts
F837 Specification for Stainless Steel Socket Head Cap Screws
F880 Specification for Stainless Steel Socket-Set Screws
F912 Specification for Alloy Steel Socket Set Screws
F1511 Specification for Mechanical Seals for Shipboard Pump Applications
2.2 ANSI Standard:
B16.24 Pipe Flanges and Flanged Fittings
2.3 ANSI/HI Standard:
3.6 Rotary Pump Tests
2.4 AMS Standards:
3215 Acrylonitrile Butadiene (NBR) Rubber Aromatic Fuel Resistant 65-75
4676 Bars and Forgings, Corrosion Resistant, Hot Finished, Precipitation Hardenable 66.5 Ni, 3.0 AL, 0.62 Ti, 28 Cu
4677 Bars and Forgings, Corrosion Resistant, Annealed 66.5 Ni, 2.9 AL, 30 Cu
5894 Bars, Sheet, and Plate, Alloy 60 Co, 28 Cr, 4.5 W, 1.15 C, Solution Heat Treated
2.5 AFBMA Standards: ABMA Standards:
9 Load Ratings and Fatigue Life for Ball Bearings
11 Load Ratings and Fatigue Life for Roller Bearings
2.6 AGMA Standard:
390.03 Gear Classification, Materials and Measuring Methods for Unassembled Gears
2.7 Military Standards:
MIL-STD-167-1 (Ships) Mechanical Vibrations of Shipboard Equipment (Type 1—Environmental and Type 2—Internally
Excited)
MIL-STD-740-1 (Ships) Airborne Sound Measurements and Acceptance Criteria of Shipboard Equipment
MIL-STD-740-2 (Ships) Structureborne Vibratory Acceleration Measurements and Acceptance Criteria of Shipboard Equip-
ment
2.8 Military Specifications:
MIL-N-25027 Nut, Self-Locking, 250°F, 450°F and 800°F, 125 KSI FTU, 60 KSI FTU and 30 KSI FTU
MIL-S-901 Shock Tests, HI (High Impact) Shipboard Machinery, Equipment and Systems, Requirements for Navy
MIL-R-83248 Rubber Fluorocarbon Elastomer, High Performance Fluid, and Compression Set Resistant
2.9 International Standards Organization Standards:
ISO9001 Quality Systems and Quality Assurance—Design/Development, Production, Installation, and Service
ISO9066 Information Processing Systems—Text Communication—Reliable Transfer—Part 2: Protocol Specification
3. Terminology
3.1 Definitions:
3.1.1 capacity, n—the quantity of fluid actually delivered per unit of time at the rated speed, including both the liquid and
dissolved or entrained gases, under stated operating conditions.
3.1.2Discussion
3.1.1.1 Discussion—Intheabsenceofanygasorvaporenteringorformingwithinthepump,thecapacityisequaltothevolume
displaced per unit of time, less slip.
3.1.3
3.1.2 capacity, maximum, n—thequantityoffluiddeliveredthatdoesnotexceedthelimitdeterminedbytheformulain4.1.2.1.
3.1.4
Annual Book of ASTM Standards, Vol 01.01.
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
Annual Book of ASTM Standards, Vol 01.03.
Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.
Annual Book of ASTM Standards, Vol 15.08.
Available from American Bearing Manufacturers Association (ABMA), 2025 M Street, NW Suite 800, Washington, DC 20036, http://www.abma-dc.org/.
Annual Book of ASTM Standards, Vol 01.05.
Available from American Gear Manufacturer’s Association (AGMA), 500 Montgomery St., Suite 350, Alexandria, VA 22314-1581, http://www.agma.org.
Annual Book of ASTM Standards, Vol 01.02.
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://www.dodssp.daps.mil.
F1718 – 01 (2006)
3.1.3 capacity,rated,n—theminimumquantityoffluiddeliveredatthespecifiedconditionsofdischargepressure,inletpressure
and viscosity as shown in Table 1.
3.1.5
3.1.4 displacement, n—the volume displaced per revolution of the rotor(s).
3.1.6Discussion
3.1.4.1 Discussion—In pumps incorporating two or more rotors operating at different speeds, the displacement is the volume
displaced per revolution of the driving rotor. Displacement depends only on the physical dimensions of the pumping elements.
3.1.7
3.1.5 dry operation, n—abriefrunduringprimingorstrippingwithsuctionanddischargelinesunrestrictedandpumpchamber
wet with liquid but pumping only air or vapor available from the suction.
3.1.8
3.1.6 effıciency, mechanical, n—the ratio of the pump power output (hydraulic horsepower) to the pump power input (brake
horsepower) expressed in percent.
3.1.9
3.1.7 effıciency, volumetric, n—the ratio of the pump’s capacity to the product of the displacement and the speed expressed in
percent.
3.1.10
3.1.8 fuel, clean, n—fuel purified for direct use.
3.1.11
3.1.9 fuel, dirty, n—fuel before purification that may contain water and some solids.
3.1.12
3.1.10 net positive inlet pressure available (NPIPA), n—the total inlet pressure available from the system at the pump inlet
connection at the rated flow, minus the vapor pressure of the liquid at the pumping temperature.
3.1.13
3.1.11 net positive inlet pressure required (NPIPR), n—the net pressure above the liquid vapor pressure at rated flow and
pumping temperature and at the pump inlet connection required to avoid performance impairment due to cavitation.
3.1.14
3.1.12 pressure, cracking, n—sometimes called set pressure, start-to-discharge pressure, or popping pressure; the pressure at
which the relief valve just starts to open.
3.1.15 Discussion
3.1.12.1 Discussion—This pressure cannot be determined readily in a relief valve that bypasses the liquid within the pump.
3.1.16
3.1.13 pressure, differential, n—the difference between discharge pressure and inlet pressure.
3.1.17
3.1.14 pressure, discharge, n—the total pressure at the outlet of the pump; discharge pressure is sometimes called outlet
pressure.
3.1.18
3.1.15 pressure, inlet, n—the total pressure at the inlet of the pump. Inlet pressure is sometimes called suction pressure.
3.1.19
3.1.16 pressure, maximum allowable working, n—the maximum continuous pressure for which the manufacturer has designed
the equipment (or any part to which the term is referred) when handling the specified fluid at the specified temperature.
3.1.20Discussion
3.1.16.1 Discussion—This pressure should not be greater than two thirds of the hydrostatic test pressure of the pressure
containing parts.
3.1.21
3.1.17 rated condition, n—defined by discharge pressure, inlet pressure, capacity, and viscosity.
3.1.22
3.1.18 rotarypump,n—apositivedisplacementpumpconsistingofacasingcontaininggears,screws,lobes,cams,vanes,shoes,
or similar elements actuated by relative rotation between the drive shaft and the casing.
3.1.23Discussion
3.1.18.1 Discussion—There are no inlet and outlet valves. These pumps are characterized by their close running clearances.
3.1.24
TABLE 1 Pump Sizes
Size A B C D E F G H
Rated capacity (gpm) 10 25 50 75 100 200 300 400
Maximum capacity (gpm) 13 30 59 86 114 221 328 433
Flange rating (lb) 150 150 150 150 150 150 150 150
F1718 – 01 (2006)
3.1.19 slip, n—the quantity of fluid that leaks through the internal clearances of a rotary pump per unit of time.
3.1.25Discussion
3.1.19.1 Discussion—Slip depends on the internal clearances, the differential pressure, the characteristics of the fluid handled
and in some cases, the speed.
3.1.26
3.1.20 speed, maximum allowable, n—in revolutions per minute, the highest speed at which the manufacturers’ design will
permit continuous operation.
3.1.27
3.1.21 speed, minimum allowable, n—in revolutions per minute, the lowest speed at which the manufacturers’ design will
permit continuous operation.
3.1.28
3.1.22 speed, rated, n—the number of revolutions per minute of the driving rotor required to meet the rated conditions.
3.1.29
3.1.23 suction lift, n—a term used to define a pump’s capability to induce a partial vacuum at the pump inlet.
3.1.30
3.1.24 temperature,maximumallowable,n—themaximumcontinuoustemperatureforwhichthemanufacturerhasdesignedthe
equipment (or any part to which the term is referred) when handling the specified fluid at the specified pressure.
3.1.31
3.1.25 unit, pump, n—the pump and motor assembly; it also includes a gear box, base, couplings, guards, as required.
4. Classification
4.1 Pumps shall be classified as follows:
4.1.1 Types:
4.1.1.1 Type II—Screws with timing gears.
4.1.1.2 Type III—Screws without timing gears.
4.1.1.3 Type IV—Impellers with timing gears.
4.1.1.4 Type V—External gear (spur, helical, herringbone, lobe).
4.1.1.5 Type VIII—Internal gear, internal rotary lobe.
4.1.1.6 Type X—Vane (sliding).
4.1.1.7 Type XI—Sliding shoe.
4.1.2 Sizes:
4.1.2.1 StandardpumpsizesshallbeasshowninTable1.Ratedcapacityshallbebasedon150-psigdischargepressure,10-psia
inlet pressure and 32-SSU viscosity (1034-kPa gauge, 69 kPa absolute, and 2 centistoke, respectively). Rated capacity equals the
minimum capacity. The maximum capacity shall not exceed the amount determined by the following formula:
Q 5 Q 1 1
max
F 0.4G
1 1 Q
(1)
where:
Q = the rated capacity (minimum capacity) and
Q = maximum allowable capacity, at 32-SSU viscosity Q shall be rounded to nearest whole number.
max max
5. Ordering Information
5.1 The ordering activity is to provide the following information 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 and motor specification if applicable).
5.1.6 Discharge pressure.
5.1.7 System relief valve cracking pressure and full flow bypass pressure (see 7.6 and 7.15).
5.1.8 Preservation, packaging, packing, and boxing requirements (see Section 14).
5.1.9 Quantity of drawings (see 13.2).
5.1.10 Quantity of manuals (see 13.3).
5.1.11 Format and quantity of each type of test report (see 12.1.1.4 and S12.3.8).
5.1.12 Shock, noise, and vibration requirements, if applicable (see S12.3).
5.1.1
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