ASTM-F998 Historical Revision Information
Standard Specification for Centrifugal Pump, Shipboard Use

ASTM-F998 - 2010 EDITION - SUPERSEDED
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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.

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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.

Keywords

bilge and ballast pump; boiler feed pump; centrifugal; centrifugal pump; condensate pump; freshwater pump; hydrocarbon pump; impeller; marine pump; pump; seawater pump; Centrifugal pumps--specifications; Pumps; Shipbuilding steel materials--specifications; Shipbuilding steel pipe materials--specifications; ICS Number Code 23.080 (Pumps)

To find similar documents by ASTM Volume:

01.07 (Ships and Marine Technology)

To find similar documents by classification:

23.080 (Pumps Pumps for fluid power systems, see 23.100.10 Vacuum pumps, see 23.160)

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Document Number

ASTM-F998-10

Revision Level

2010 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

March 1, 2010

Document Type

Specification

Page Count

15 pages

Committee Number

F25.11