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P46W & P46W-HK PULLEY SELECTION &
HORSEPOWER REQUIREMENTS
PUMP
PULLEY
MOTOR
PULLEY
RPM GPM 1000 PSI 1500 PSI 1700 PSI 2200 PS
I
7.75" 3.55"
745
2.0
1.4
2.1
2.3
3.0
7.75" 4.25"
910
2.5
1.7
2.6
2.9
3.8
7.75" 5.25"
1140
3.1
2.1
3.2
3.6
4.7
7.75" 5.95" 1305
3.6
2.5
3.7
4.2
5.4
7.75" 6.45" 1420
3.9
2.7
4.0
4.5
5.9
Volume ........................................................................................................ Up to 3.9 GPM
Discharge Pressure .................................................................................... 2200 PSI
Inlet Pressure.............................................................................................. -4.35 - 140 psi
Maximum Crankshaft Rotation Speed ........................................................ Up to 1420 RPM
Stroke.......................................................................................................... 14.1mm
Crankcase Oil Capacity .............................................................................. 8 fl. oz.
Temperature of Pumped Fluids................................................................... Up to 220
o
F
Plunger Diameter ........................................................................................ 18mm
Inlet Ports ................................................................................................... (2) 1/2" BSP
Discharge Ports .......................................................................................... (2) 3/8" BSP
Pulley Mounting .......................................................................................... Either Side
Shaft Rotation ................................................................................ Top of pulley towards Head
Weight ......................................................................................................... 16 lbs.
Crankshaft Diameter .................................................................................. 18mm
Volumetric Efficiency @ 1420 .................................................................... 0.96
Mechanical Efficiency @ 1420 .................................................................. 0.80
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.
PULLEY INFORMATION
Pulley selection and pump speed are based on a 1725
RPM motor and "B" section belts. When selecting
desired GPM, allow for a ±5% tolerance on pumps
output due to variations in pulleys, belts and motors
among manufacturers.
1. Select GPM required, then select appropriate
motor and pump pulley from the same line.
2. The desired pressure is achieved by selecting the
correct nozzle size that corresponds with the pump
GPM.
HORSEPOWER INFORMATION
Horsepower ratings shown are the power require-
ments for the pump. Gas engine power outputs must
be approximately twice the pump power requirements
shown above.
We recommend that a 1.1 service factor be specified
when selecting an electric motor as the power source.
To compute specific pump horsepower requirements,
use the following formula:
(GPH X PSI) / 1460 = HP
Specifications
Model P46W/P46W-HK