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P218A-3100/5100 HORSEPOWER
REQUIREMENTS
RPM GPM 800 PSI 1200 PSI 1500 PSI 1700 PSI 2000 PSI
1150 2.1 1.2 1.7 2.2 2.5 2.9
1450 2.6 1.5 2.2 2.7 3.1 3.6
1750 3.4 1.9 2.8 3.5 4.0 4.7
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.
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 anelectric motor as the
power source. To compute
specific pump horsepower require-
ments, use the follow-
ing 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
Specifications
Model P218A-3100/5100
Volume........................................................................................................ Up to 3.4 GPM
Discharge Pressure ..................................................................................... Up to 2000 PSI
Inlet Pressure .............................................................................................. Up to 90 PSI
RPM ........................................................................................................... Up to 1750 RPM
Plunger Diameter ....................................................................................... 18mm
Stroke ......................................................................................................... 10.0mm
Temperature of Pumped Fluids.................................................................. Up to 160
o
F
Inlet Ports ................................................................................................... (2) 3/8" 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 ............................................................................. 9.5 fl.oz.
Volumetric Efficiency @ 1750 RPM ........................................................ 0.96
Mechanical Efficiency @ 1750 RPM ....................................................... 0.85