scope:

This specification covers electrically operated distillation units of the thermocompression type for use on Naval ships.

Distillation units shall be of the following types as specified (see 6.2):

Type I - Flooded tube evaporator design. Type II - Rising film evaporator design.

Distillation units shall be of the following classes as specified (see 6.2):

Class A - Basically composition 70-30 copper-nickel alloy for submarine application (see 3.2.1). Class B - Basically composition 90-10 copper-nickel alloy for surface ship application (see 3.2.2).

Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 55Z3, Department of the Navy, Washington, DC 20362-5101 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter.

intended Use:

Distillation units of the thermocompression type will be a permanent installation on Naval ships and used to produce fresh water from seawater.