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P218A HORSEPOWER REQUIREMENTS
RPM GPM 1000 PSI 1500 PSI 2000 PSI 2500 PSI*
250 0.5 0.3 0.5 0.7 0.8
500 1.0 0.7 1.0 1.3 1.7
1000 1.9 1.3 2.0 2.7 3.4
1450 2.8 1.9 2.9 3.9 4.9
1750 3.4 2.3 3.5 4.7 5.9
4
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 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.
*Intermittent duty only
Specifications
Model P218A
U.S. .............................. Metric
Flow.....................................................................3.4 GPM ...................... 12.9 LPM
Pressure (Continuous) ....................................... 2000 PSI ...................... 140 Bar
Pressure (Intermittent) .......................................2500 PSI ...................... 175 Bar
Maximum Crankshaft Speed ................................................................... 1750 RPM
Maximum Inlet Pressure.................................... 145 PSI ........................ 10 bar
Plunger Diameter ............................................... 0.71”............................ 18 mm
Stroke .................................................................. 0.39”............................ 10.0 mm
Max. Temperature of Pumped Fluids............... 160
o
F ........................... 71
o
C
Inlet Ports................................................................................................... (2) 1/2" BSP
Discharge Ports ......................................................................................... (2) 3/8" BSP
Shaft Rotation ....................................................... Top of Pulley Towards Fluid End
Crankshaft Diameter ..........................................0.98”............................ 24 mm
Key Width .......................................................... 0.31”............................ 8 mm
Shaft Mounting................................................... Right Side Facing Manifold
Weight.................................................................11.7 lbs. ....................... 5.3 Kg
Crankcase Oil Capacity .....................................7.5 fl.oz. ...................... 0.22 Liter
Extended Crankcase Oil Capacity.................... 9.0 fl.oz. ...................... (0.27 Liter
Volumetric Efficiency @ 1750 RPM ...................................................... 0.94
Volumetric Efficiency @ 3450 RPM ...................................................... 0.87
Mechanical Efficiency @ 3450 RPM...................................................... 0.86