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Specifications
Model LP450
Volume ................................................................................................... Up to 19.7 GPM
Discharge Pressure ................................................................................. 2600 PSI
Inlet Pressure .......................................................................................... Up to 90 PSI
Maximum Crankshaft Speed ................................................................... Up to 1000 RPM
Plunger Diameter .................................................................................... 28mm
Stroke ..................................................................................................... 42mm
Crankcase Oil Capacity .......................................................................... 100 fl.oz.
Temperature of Pumped Fluids ............................................................... 140
o
F @1000 RPM
............................................................................................................... 160
o
F Up to 500 RPM
Inlet Port ................................................................................................ 1-1/4" BSP
Discharge Port ........................................................................................ 1" BSP
Shaft Mounting ....................................................................................... Either side
Shaft Rotation............................................................................. Top of pulley towards manifold
Weight .................................................................................................... 105 lbs.
Crankshaft Diameter ............................................................................... 35mm
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:
HP = (GPM x PSI) / 1440
LP450 PULLEY SELECTION AND HORSEPOWER
REQUIREMENTS
PUMP
PULLEY
MOTOR
PULLEY
RPM GPM
1000 PSI
1500 PSI 2000 PSI 2600 PSI
12.75"
3.95"
500
9.8
6.8
10.3
13.7
17.8
12.75"
4.95"
640
12.6
8.7
13.1
17.5
22.7
12.75"
5.75"
750
14.8
10.3
15.4
20.5
26.7
12.75"
6.15"
805
15.8
11.0
16.5
22.0
28.6
12.75" 6.55" 865 17.0 11.8 17.7 23.6 30.7
12.75" 6.95" 940 18.5 12.8 19.3 25.7 33.4
12.75" 7.50" 1000 19.7 13.7 20.5 27.3 35.5