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 l-Freshwater,
1.1.2 Class 2- Seawater, and
1.1.3 Class 3- -Hydrocarbon pumps (less than 1500 SSU).
