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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 selecting an
electricmotor as the power source.
To compute specific pump horse
power requirements, use the
following formula:
HP = (GPM X PSI) / 1450
3
Specifications
Model P205
1750 RPM
+
Ratings (Continuous).................................................................................. 0.5 GPM @ 2000 PSI
Ratings (Intermittent) ................................................................................. 0.5 GPM @ 2500 PSI*
3450 RPM
+
Ratings (Continuous).................................................................................. 0.9 GPM @ 2000 PSI
Ratings (Intermittent) ................................................................................. 0.9 GPM @ 2500 PSI*
Inlet Pressure .............................................................................................. Up to 90 PSI
RPM............................................................................................................ Up to 1750 RPM
Plunger Diameter........................................................................................ 12mm
Stroke.......................................................................................................... 3.4mm
Temperature of Pumped Fluids .................................................................. Up to 160
o
F
Inlet Ports.................................................................................................... (2) 1/2" BSP
Discharge Ports ........................................................................................... (2) 3/8" BSP
Shaft Rotation ................................................................................ Top of Pulley Towards Fluid End
Crankshaft Diameter................................................................................... 24mm
Key Width................................................................................................... 8mm
Shaft Mounting ........................................................................................... Right Side Facing Manifold
Weight......................................................................................................... 11 lbs. 11oz.
Crankcase Oil Capacity .............................................................................. 7.5 fl.oz.
Extended Crankcase Oil Capacity .............................................................. 9.0 fl.oz.
Volumetric Efficiency @ 3450 RPM.......................................................... 0.88
Mechanical Efficiency @ 3450 RPM ......................................................... 0.86
+
Positive inlet pressure required
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:
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.
SPECIAL NOTE:
The theoretical gallons per revolution
(gal/rev) is 0.0002899.
To find specific outputs at various RPM,
use the formula: GPM =0.0002899xRPM
*intermittent duty
P205 HORSEPOWER REQUIREMENTS
RPM GPM 1000 PSI 1500 PSI 2000 PSI 2500 PSI*
500 0.13 0.1 0.1 0.2 0.2
1000 0.26 0.2 0.3 0.4 0.4
1750 0.46 0.3 0.5 0.6 0.8
3000 0.80 0.6 0.8 1.1 1.4
3200 0.83 0.6 0.9 1.1 1.4
3450 0.90 0.6 0.9 1.2 1.6