1.1This specification covers mechanical end-face seals for centrifugal and positive displacement pumps for shipboard use.
1.2The following types of seals are not included in this specification: lip seals, oil seals, circumferential seals, or labyrinth seals.
1.3The 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.
1.4Special requirements for U.S. Navy Shipboard Pump Applications are included in Supplement S1.
1.5This 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.
