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P218A HORSEPOWER REQUIREMENTS
RPM GPM 1000 PSI 1500 PSI 2000 PSI 2320 PSI*
1150 2.2 1.5 2.3 3.1 3.6
1450 2.8 1.9 2.9 3.9 4.5
1750 3.4 2.3 3.5 4.7 5.4
4
NOTE:
In order to drive the pump from the side opposite the present
shaft extension, simply remove the valve casing from the crank-
case 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.
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
electric motor as the power source.
To compute specific pump horse
power requirements, use the
following formula:
HP = (GPM X PSI) / 1450
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.
SPECIAL NOTE:
The theoretical gallons per revolution
(gal/rev) is 0.00193.
To find specific outputs at various RPM,
use the formula: GPM = 0.00193 x RPM
*Intermittent duty only
Specifications
Model P218A
Volume ........................................................................................................ Up to 3.4 GPM
Discharge Pressure (Continuous)............................................................... Up to 2000 PSI
Discharge Pressure (Intermittent) .............................................................. Up to 2320 PSI*
Inlet Pressure.............................................................................................. - 4.35 to 140 PSI
RPM ........................................................................................................... Up to 1750 RPM
Plunger Diameter........................................................................................ 18mm
Stroke.......................................................................................................... 10.0mm
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................................................................................................... 8 mm
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 @ 1750 RPM .......................................................... 0.96
Mechanical Efficiency @ 1750 RPM......................................................... 0.85