ASTM-F1511 Standard Specification for Mechanical Seals for Shipboard Pump Applications

Show Complete Document History

Document Center Inc. is an authorized dealer of ASTM standards.
The following bibliographic material is provided to assist you with your purchasing decision:

This specification covers mechanical end-face seals for centrifugal and positive displacement pumps for shipboard use. Mechanical seals shall be classified by type, grade, and class. Types: type A - inside single mounted seals, type B - outside single mounted seals, type C - double seals, type D - tandem seals, type E - gas seal, and type F - special arrangement/applications vacuum or gas seal. Grades: grade 1 - basic end face seal, grade 2 - cartridge seal, and grade 3 - split seal. Classes: class 0 - nonsplit seal assembly, class 1 - partial split seal assembly, solid gland, class 2 - partial split seal assembly, split gland, class 3 - fully split seal assembly, solid gland, and class 4 - fully split seal assembly, split gland. Seal life shall be defined in terms of the time period in which the mechanical seal functions properly under its specified service.




Changes from the previous issue

A redline edition is available for this document, with all changes visible. Ask Document Center Inc. for more information.


1.1 This specification covers mechanical end-face seals for centrifugal and positive displacement pumps for shipboard use.

1.2 The following types of seals are not included in this specification: lip seals, oil seals, circumferential seals, or labyrinth seals.

1.3 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. A companion hard metric standard is in the process of preparation.

1.4 Special requirements for U.S. Navy Shipboard Pump Applications are included in Supplement S1.

1.5 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.


ICS Number Code 47.020.30 (Piping systems)

To find similar documents by ASTM Volume:

01.07 (Ships and Marine Technology)

To find similar documents by classification:

47.020.30 (Piping systems)

This document comes with our free Notification Service, good for the life of the document.

This document is available in either Paper or PDF format.

Document Number


Revision Level




Modification Type


Publication Date

April 1, 2018

Document Type


Page Count

27 pages

Committee Number