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PUMP NOMENCLATURE
Flow in Gallons per
Minute (GPM)
MPB = Cast Iron
HP x 100
i.e. 50 = 0.5 HP
Version
TABLE I - DISCHARGE PRESSURE
No. of
Model
HP
Stages
7MPB50-01
1/2
7MPB75-01
3/4
12
7MPB100-01
1
16
10MPB50-01
1/2
10MPB75-01
3/4
10MPB100-01
1
10
10MPB150-01
1.5
14
10MPB200-01
2
16
20MPB100-01
1
20MPB150-01
1.5
20MPB200-01
2
11
20MPB300-01
3
15
30MPB100-01
1
30MPB15-01
1.5
30MPB200-01
2
30MPB300-01
3
11
NOTE: For total discharge pressure, add this pressure to suction
pipe pressure. For example, an 7MPB50-01 pump taking suction
from a 100 psi water service line will produce 130 + 100 = 230 psi
total discharge pressure at 0 GPM flow. If suction pressure drops to
50 psi, discharge pressure will drop to 180 psi.
20 MPB 50 - 01
Discharge
Discharge
Pressure at
Pressure at
Rated Flow
No Flow
9
90
130
123
173
162
229
6
75
113
8
97
147
134
188
173
206
197
260
7
75
110
9
97
143
123
175
195
250
5
59
6
71
7
81
106
129
167
INSTALLATION
The pump is designed to boost city water pressure or
water pressure from a private water system. Use this
high pressure stream to wash down milk parlors, barns,
garages and driveways, or for fire protection.
The pump is portable with a convenient carrying
handle. If an existing pressure water system is to be
used as a water supply, it can be connected with
available fittings and 3/4" or 1" high pressure hose to
the pump inlet. A special heavy duty 3/4" or 1" suction
hose with fittings is available as an accessory. If pump
is permanently mounted on wall, use a 3/4" or 1" pipe
or heavy-duty hose for suction line. 20 GPM models
require one-inch discharge hose to reduce friction
losses and 30 GPM models require 1-1/4". This pump
can be disassembled for service without removing
installation piping.
explode if pressures exceed rated limits. Maximum
inlet pressure is 80 PSI. Maximum discharge pressure
is 315 PSI. Warranty is void if these pressure limits are
exceeded.
HIGH PRESSURE BOOSTER PUMP
INSTALLATION INSTRUCTIONS
These instructions cover high pressure booster pump
installations as shown below:
From pressurized
house service
Figure 1 – Connection to house service.
75
91
Figure 2 – Connection to water reservoir.
3
Hazardous pressure. Pump body may
Suction
Water tank
or reservoir
Suction
Discharge
1208 0505
Discharge
1207 0505
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