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|  MIL-P-18682D(SH)
3.2.13 Turbines.
3.2.13.1 Turbines for driving pumps shall be in accordance with MIL-T-17523
and as specified (see 6.2.1).
3.2.14 Motors. Drive motors shall have sealed insulation and shall be
of the type and characteristics specified (see 6.2.1) and shall conform to
MIL-M-17413 for direct current (d.c.) motors, and to MIL-M-17060 for alternating
current (a.c.) motors. For surface ships applications, the motors shall be
totally enclosed fan cooled. For submarines only, see 6.2.1 for complete motor
specification.
3.2.14.1 For type I pumps, the hp rating shall be determined by the
following formula. For types II and 111 pumps, the hp rating shall be such that
the motor is not overloaded anywhere on the head-capacity curve for type I pumps.
Motor hp > 1.05 x maximum water hp output of pump at specified conditions
Efficiency of pump at point of maximum hp
3.2.14.2 The actual motor rating shall be in accordance with Navy standard
motor ratings.
3.2.15 Controllers. Motor controllers shall be in accordance with
MIL-C-2212 for a.c. and d.c. and shall have the characteristics as specified
(see 6.2.1).
3.2.16 Painting. External unmachined surfaces of ungalvanized ferrous
metal parts shall be thoroughly cleaned and coated with one coat of pretreatment
conforming to DOD-P-15328, and one coat of zinc chromate primer conforming to
TT-P-645, or one coat of red lead primer conforming to DOD-P-17545, followed by
a finish coat of light gray equipment enamel conforming to MIL-E-15090.
3.2.16.1 Painting of external surfaces of nonferrous parts of pumps will
not be required.
3.2.17 Identification plates.
3.2.17.1 Identification plates shall be furnished on each pump and shall
be type A or B in accordance with MIL-P-15024 and MIL-P-15024/5, except that
identification plates of plastic or aluminum shall not be used.
3.2.17.2 Identification plates shall be secured to equipment with
corrosion-resistant metallic screws or rivets.
3.2.17.3 Pump identification plates shall contain data as follows:
(a)
Manufacturer's name.
(b)
Manufacturer's model or type and size.
(c)
Service application.
(d)
Manufacturer's serial number.
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