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Page Title:
Table I. Physical size and weight and horsepower for 4-, 6-, and 8-inch comminutors. |
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|  MIL-S-24603A(SH)
Physical size and weight and horsepower for 4-, 6-,
TABLE I.
and 8-inch comminutors.
Maximum unit
Minimum motor
envelope
Comminutor
Maximum weight
horsepower
dimensions
(less motor
(nominal inflow
(less motor
controller)
pipe size)
controller)
(Inches)
(Pounds)
(Inches)
3
44x23x13
4
200
3
44x23x13
6
325
3
44x23x13
600
8
3.4.4 Size. Comminutor size denotes the nominal pipe size of the influent
and effluent lines. Sizes and quantities provided shall be as specified (see
6.2.1).
3,4.5 Mounting. The comminutor unit shall mount solely by the influent and
effluent line flanges without degradation of performance.
3.4.6 Inlet and discharge line diameters. Comminutor inlet and discharge
bore size shall be the same as the inside diameter of the connected soil (sewage)
piping flanges. Nominal pipe size shall be the same as the comminutor size.
Detailed flange dimensions shall be as specified in MIL-F-20042.
3.5 Motor.
The comminutor drive motor shall conform
MIL-M-17060.
CO
3.5.1 Motor horsepower. Minimum standard motor horsepower ratings for
specified comminutor size shall be as set forth in table I.
3.5.2 Motor characteristics. Unless otherwise specified (see 6.2.1), motor
characteristics shall be as follows:
Power and voltage - 3-phase, 440-volt, 60-hertz (Hz)
(a)
Enclosure - Totally enclosed fan cooled (TEFC).
(b)
Classification - Service C, as specified in MIL-M-17060.
(c)
Duty - Continuous.
(d)
(e)
Bearing type - Ball.
Ambient temperature - 122 degrees Fahrenheit ("F) (50 degrees
(f)
Celsius ("C).
(g)
Temperature rise - 158F (70C), as specified in MIL-M-17060.
(h)
Design - B, as specified in MIL-M-17060.
(i)
Shock - Grade B, as specified in MIL-S-901.
Insulation - B, F, or H, as specified in MIL-M-17060.
(j)
(k)
Revolutions per minute - Not to exceed 1800.
3.5.3 Other motor characteristics. Requirements for shock resistance shall
be as specified in 3.3.6. Motor design and type shall be matched to the
comminutor design.
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