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ASTM F998-12

(Specification)

Standard Specification for Centrifugal Pump, Shipboard Use

Standard Specification for Centrifugal Pump, Shipboard Use

ABSTRACT
This specification covers the requirements applicable to the design and construction of three classes of centrifugal pump (Class 1, Class 2, and Class 3) for shipboard application. When selecting material combinations, the conditions under which the various materials interact with each other shall be taken into consideration as well as the use of nonmetallic (composite) pump components where the use of that material can benefit the operation and maintenance of the pump. The requirements for the following are detailed: (1) pump design and construction, (2) pump operation (at or near the best efficiency point), (3) motor power ratings, (4) pitch and roll conditions, (5) horizontal pump and driver mounting, (6) vertical pump support, (7) bedplates, (8) pump couplings, (9) guards, (10) pumps with face-mounted motors, (11) shaft alignment, and (12) indication of direction of rotation. Pump design requirements for inlet and outlet connections, casings, radial and thrust bearings, journal and thrust bearings, rolling element bearings, mechanical seals, separate pressure boundary parts, and screw threads are specified. Requirements for paintings and coatings, equipment identification plates, and testing such as hydrostatic, mechanical run, performance, net positive suction head, vibration, and acoustic tests are also specified.
SCOPE
1.1 This specification covers the requirements applicable to the design and construction of centrifugal pumps for shipboard application. The three classes of service covered by this specification are as follows:
1.1.1 Class 1Freshwater,
1.1.2 Class 2Seawater, and
1.1.3 Class 3Hydrocarbon pumps (less than 1500 SSU).
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for information purposes only.

General Information

Status
Historical
Publication Date
30-Apr-2012
ICS
23.080 - Pumps
Technical Committee
F25 - Ships and Marine Technology
Drafting Committee
F25.11 - Machinery and Piping Systems
Current Stage
Ref Project

Relations

Replaces
ASTM F998-10 - Standard Specification for Centrifugal Pump, Shipboard Use
Effective Date
01-May-2012
Referred By
ASTM F2363/F2363M-17(2023) - Standard Specification for Sewage and Graywater Flow Through Treatment Systems
Effective Date
01-May-2012
Referred By
ASTM F1994-99(2023) - Standard Test Method for Shipboard Fixed Foam Firefighting Systems
Effective Date
01-May-2012

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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:F998 −12 An American National Standard
Standard Specification for
1
Centrifugal Pump, Shipboard Use
ThisstandardisissuedunderthefixeddesignationF998;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Iron-Chromium-Nickel, Corrosion Resistant, for General
Application
1.1 This specification covers the requirements applicable to
A747/A747MSpecification for Steel Castings, Stainless,
thedesignandconstructionofcentrifugalpumpsforshipboard
Precipitation Hardening
application. The three classes of service covered by this
A890/A890MSpecification for Castings, Iron-Chromium-
specification are as follows:
Nickel-Molybdenum Corrosion-Resistant, Duplex
1.1.1 Class 1—Freshwater,
(Austenitic/Ferritic) for General Application
1.1.2 Class 2—Seawater, and
A995/A995MSpecification for Castings, Austenitic-Ferritic
1.1.3 Class 3—Hydrocarbon pumps (less than 1500 SSU).
(Duplex) Stainless Steel, for Pressure-Containing Parts
1.2 The values stated in inch-pound units are to be regarded
B148Specification for Aluminum-Bronze Sand Castings
as the standard. The values given in parentheses are provided
B164Specification for Nickel-Copper Alloy Rod, Bar, and
for information purposes only.
Wire
1.3 This international standard was developed in accor-
B271Specification for Copper-BaseAlloy Centrifugal Cast-
dance with internationally recognized principles on standard- ings
ization established in the Decision on Principles for the
B369Specification for Copper-Nickel Alloy Castings
Development of International Standards, Guides and Recom- B505/B505MSpecification for Copper Alloy Continuous
mendations issued by the World Trade Organization Technical
Castings
Barriers to Trade (TBT) Committee. B584Specification for Copper Alloy Sand Castings for
General Applications
2. Referenced Documents
F468Specification for Nonferrous Bolts, Hex Cap Screws,
2
Socket Head Cap Screws, and Studs for General Use
2.1 ASTM Standards:
F1511Specification for Mechanical Seals for Shipboard
A36/A36MSpecification for Carbon Structural Steel
Pump Applications
A193/A193MSpecification for Alloy-Steel and Stainless
Steel Bolting for High Temperature or High Pressure 2.2 ANSI Standards:
3
Service and Other Special Purpose Applications B1ISO Metric Screw Threads (ANSI-B1 Report)
3
A194/A194MSpecification for Carbon Steel, Alloy Steel, B1.1Unified Screw Threads
3
and Stainless Steel Nuts for Bolts for High Pressure or B16.1Cast Iron Pipe Flanges and Flange Fittings
High Temperature Service, or Both B16.5Steel Pipe Flanges, Flanged Valves and Fittings, 150,
3
A276Specification for Stainless Steel Bars and Shapes 300, 400, 600, 900, 1500 and 2500 lb.
3
A494/A494MSpecification for Castings, Nickel and Nickel B16.11ForgedSteelFittings,SocketWeldingandThreaded
3
Alloy B16.24Bronze Flanges and Flanged Fittings, 150, 300lb
A582/A582MSpecification for Free-Machining Stainless
2.3 Hydraulic Institute Standards:
Steel Bars
ANSI/HI 1.1-1.5American National Standard for Centrifu-
A743/A743MSpecification for Castings, Iron-Chromium,
gal Pumps for Nomenclature, Definitions, Applications
3
and Operation
ANSI/HI 1.6American National Standard for Centrifugal
1 3
This specification is under the jurisdiction of Committee F25 on Ships and
Pump Tests
Marine Technology and is the direct responsibility of Subcommittee F25.11 on
ANSI/HI 9.1-9.6American National Standard for Pumps—
Machinery and Piping Systems.
General Guidelines for Types, Definitions, Applications
Current edition approved May 1, 2012. Published June 2012. Originally
3
approved in 1997. Last previous edition approved in 2010 as F998–10. DOI: and Sound Measurements
10.1520/F0998-12.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F998−12
2.4 AFBMA Standards: 3.1.15 maximum BHP rated impeller, n—the highest power
4
9Load Ratings and Fatigue Life for Ball Bearings required by a pump with the correct impeller diameter for the
4
11Load Ratings and Fatigue Life for Roller Bearings service condition.
2.5 ISO Standards:
3.1.16 minimum continuous flow, n—the lowest possible
ISO 9001Quality Systems and QualityAssurance—Design/
flow rate at which the pump can run without generat
...

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:F998–10 Designation: F998 – 12
Standard Specification for
1
Centrifugal Pump, Shipboard Use
ThisstandardisissuedunderthefixeddesignationF998;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers the requirements applicable to the design and construction of centrifugal pumps for shipboard
application. The three classes of service covered by this specification are as follows:
1.1.1 Class 1—Freshwater,
1.1.2 Class 2—Seawater, and
1.1.3 Class 3—Hydrocarbon pumps (less than 1500 SSU).
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are provided for
information purposes only.
2. Referenced Documents
2
2.1 ASTM Standards:
A36/A36M Specification for Carbon Structural Steel
A193/A193M 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 High Temperature Service, or Both
A276 Specification for Stainless Steel Bars and Shapes
A494/A494M Specification for Castings, Nickel and Nickel Alloy
A582/A582M Specification for Free-Machining Stainless Steel Bars
A743/A743M Specification for Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Applica-
tion
A747/A747M Specification for Steel Castings, Stainless, Precipitation Hardening
A890/A890M Specification for Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/
Ferritic) for General Application
A995/A995M Specification for Castings, Austenitic-Ferritic (Duplex) Stainless Steel, for Pressure-Containing Parts
B148 Specification for Aluminum-Bronze Sand Castings
B164 Specification for Nickel-Copper Alloy Rod, Bar, and Wire
B271 Specification for Copper-Base Alloy Centrifugal Castings
B369 Specification for Copper-Nickel Alloy Castings
B505/B505M Specification for Copper Alloy Continuous Castings
B584 Specification for Copper Alloy Sand Castings for General Applications
F468 Specification for Nonferrous Bolts, Hex Cap Screws, and Studs for General Use
F1511 Specification for Mechanical Seals for Shipboard Pump Applications
2.2 ANSI Standards:
3
B1 ISO Metric Screw Threads (ANSI-B1 Report)
3
B1.1 Unified Screw Threads
3
B16.1 Cast Iron Pipe Flanges and Flange Fittings
3
B16.5 Steel Pipe Flanges, Flanged Valves and Fittings, 150, 300, 400, 600, 900, 1500 and 2500 lb.
3
B16.11 Forged Steel Fittings, Socket Welding and Threaded
3
B16.24 Bronze Flanges and Flanged Fittings, 150, 300lb
1
This specification is under the jurisdiction of Committee F25 on Ships and Marine Technology and is the direct responsibility of Subcommittee F25.11 on Machinery
and Piping Systems.
Current edition approved MarchMay 1, 2010.2012. Published March 2010.June 2012. Originally approved in 1997. Last previous edition approved in 20042010 as
F998 – 104. DOI: 10.1520/F0998-102.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F998 – 12
2.3 Hydraulic Institute Standards:
ANSI/HI 1.1-1.5 American National Standard for Centrifugal Pumps for Nomenclature, Definitions, Applications and
3
Operation
3
ANSI/HI 1.6 American National Standard for Centrifugal Pump Tests
ANSI/HI 9.1-9.6 American National Standard for Pumps—General Guidelines for Types, Definitions,Applications and Sound
3
Measurements
2.4 AFBMA Standards:
4
9 Load Ratings and Fatigue Life for Ball Bearings
4
11 Load Ratings and Fatigue Life for Roller Bearings
2.5 ISO Standards:
3
ISO 9001 Quality Systems and Quality Assurance—Design/Development, Production, Installation and Service
3. Terminology
3.1 Definitions:
3.1.1 best effıciency point (BEP), n—the capacity and head in which the pump efficiency is the highest.
3.1.2 BHP, n—power delivered to the pump
...

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1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
Note 1: Attention is called to Specifications D1752 and D994/D994M.  
1.3 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM B637-23(Specification)
Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

ABSTRACT
This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for high-temperature service. Chemical analysis shall be performed on the alloy and shall conform to the chemical composition requirement in carbon, manganese, silicon, phosphorus, sulfur, chromium, cobalt, molybdenum, columbium, tantalum, titanium, aluminum, zirconium, boron, iron, copper, and nickel. The material shall follow recommended annealing treatment, solution treatment, stabilizing treatment, and precipitation hardening treatment. Tension testing, hardness testing and stress-rupture testing shall be performed on the material and shall comply to the required tensile strength, yield strength, elongation, reduction in area, and Brinell hardness.
SCOPE
1.1 This specification2 covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for moderate or high temperature service (Table 1).  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Safety Data Sheet (SDS) for this product/material as provided by the manufacturer, to establish appropriate safety, health, and environmental practices, and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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  • Technical specification
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