MIL-HDBK-1005/7A
5.2.3.8
Priming Facilities. Use the requirements of the HI
Hydraulic Institute Standards for planning priming facilities.
5.3.
Power
5.3.1
Choice of Power. Factors affecting choice of power
include dependability, availability, and economic
considerations.
5.3.1.1
Types of Power .
Select power from the following:
a)
b)
Petroleum products (diesel oil)
c)
Natural gas
d)
Compressed air
e)
Steam
5.3.1.2
Applications . For preferential choice and
applications, refer to Table 11.
5.3.2
Standby . Standby power for pumps should be provided
for all installations as described below.
5.3.2.1
Electric Power . Provide two separate sources (two
separate feeders). Feeders should follow separate routes, and
originate from separate substations or other sources.
5.3.2.2
Internal Combustion Engines . Provide internal
combustion engines where there is no second separate electric
power source. Such engines should provide a standby capacity
which is equal to the required supply. Diesel engine -driven
pumps should be installed above grade in accordance with NFPA
5.3.3
Drives. To select the proper drives to connect power
to pumps, design for the following data:
5.3.3.1
Electric Drives
a)
Torque Requirements. Use a constant torque motor
for reciprocating and rotary pumps, and a variable torque motor
for centrifugal pumps.
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