MIL-HDBK-1005/7A
5.1.3
Pumping Arrangements . Select the pumping arrangement
based on the types, applications, and limitations listed in
Table 9.
Table 9
Applications and Limitations of Pumping Arrangements
TYPE OF ARRANGEMENT
WHERE TO USE
LIMITATIONS
Bypassing the
Not to be used for normal
Waste of power
discharge (all or
operation in a large
part)
installation, except during
emergency when other
arrangements are inoperative
Multiple pumps in
Use this arrangement as a
Requires
parallel operation
normal installation
multiple
pumps, and
possibly
jockey pump to
pressurize
system at low
demands
Intermittent pumping
Use this arrangement
with storage reservoirs
wherever possible
riding on hydraulic
gradient
Manual or automatic
Use only if detailed
Usually
speed variation to
cost study indicates
expensive
control pump discharge
feasibility
5.1.4
Determining Pump Capacity .
Determine single or
multiple pump type as follows.
5.1.4.1
Single-Pump Installation. This type of installation
may be used only for extremely small demands, when standby
service is positively assured.
a) To meet the maximum daily demand where there is an
elevated storage reservoir.
b) To meet the maximum daily demand where there is an
elevated storage reservoir.
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