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Volume............................................................................Up to 10.7 GPM ...................... (40.4 LPM)
Discharge Pressure ........................................................Up to 2500 PSI ............................(170 bar)
Power Required ..............................................................18.1 BHP ....................................... 13.5 kW
Inlet Pressure .................................................................-4.35 to 145 PSI ................. (-0.3 to 10 bar)
Stroke .............................................................................0.787" .............................................(20mm)
Crankshaft Speed .....................................................................................................Up to 1450 RPM
Plunger Diameter............................................................0.98" ...............................................(25mm)
Temperature of Pumped Fluids ......................................Up to 160
Inlet Ports .......................................................................................................................... (2) 1" BSP
Discharge Ports .............................................................................................................. (2) 3/4" BSP
Shaft Rotation .....................................................................................Top of pulley towards manifold
Crankshaft Diameter.......................................................1.102" .............................................(28mm)
Key Width .......................................................................0.315" ...............................................(8mm)
Shaft Mounting ................................................................................................................. Either side
Weight ............................................................................38.3 lbs ......................................... (17.4 kg)
CrankcaseCapacity ........................................................30.4 fl.oz. ................................... (0.9 liters)
Volumetric Efficiency @ 1450 ....................................................................................................(0.95)
Mechanical Efficiency @ 1450 ..................................................................................................(0.83)
NPSHR ...........................................................................26.2 ft. of head ............................. 8.0 mWs
Consult the factory for special requirements that must be met if the
pump is to operate beyond one or more of the limits specified above.
NOTE:
1
In order to drive the pump from the side opposite the present shaft extension, simply
remove the valve casing from the crankcase and rotate the pumps 180 degrees to the
desired position. Be certain to rotate the seal case (item #20) as well, so that the weep
holes are down at the six o'clock position. Exchange the oil fill and the oil drain plugs,
also. Refer to the repair instructions as necessary for the proper assembly sequence.
P425-5100 Horsepower Requirements
RPM GPM 1000
PSI
750
5.5
3.8
900
6.6
4.6
1010
7.5
5.2
1120
8.3
5.7
1240
9.2
6.3
1450 10.7
7.4
SPECIAL NOTE:
The theoretical gallons per revolution
(gal/rev) is 0.00738. To find specific
outputs at various RPM, use the
formula: GPM = 0.00738 x RPM
Specifications
Model P425-5100
1500
2000
2500
PSI
PSI
PSI
5.7
7.5
9.5
6.8
9.0
11.4
7.7
10.2
12.9
8.6
11.4
14.3
9.5
12.6
15.9
11.1
14.7
18.5
U.S.
F .................................... (70
o
HORSEPOWER RATINGS:
The rating shown are the power
requirements for the pump. Gas
engine power outputs must be
approximately twice the pump
power requirements shown
above.
We recommend a 1.15 service
factor be specified when select-
ing an electric motor as the pow-
er source. To compute specific
pump horsepower requirements,
use the following formula:
8
(Metric)
HP = (GPM X PSI) / 1450
C)
o
1
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