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Specifications - Model GP7155-5100
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 require-
ments 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) / 1450 = HP
U.S. ........................................... Metric
Volume.............................................................................. 65.8 GPM .................................. 250 LPM
Discharge Pressure ........................................................... 1500 PSI.................................... 100 Bar
Crankshaft Speed.................................................................................................................. 700 RPM
Inlet Pressure ........................................................................................................................ Up to 700 RPM
Plunger Diameter ..............................................................2.17”.......................................... 55mm
Plunger Stroke .................................................................. 2.05”.......................................... 52mm
Crankshaft Diameter......................................................... 1.89”.......................................... 48mm
Key Width......................................................................... 0.55”.......................................... 14mm
Crankshaft Mounting............................................................................................................ Either side
Shaft Rotation ............................................................................................. Top of pulley towards manifold
Max.Temperature of Pumped Fluids ................................ 140
o
F ........................................ 60
o
C
Inlet Ports ............................................................................................................................. (2) 2-1/2" NPT
Discharge Ports..................................................................................................................... (2) 1-1/4" NPT
Weight............................................................................... 374 lbs....................................... 170 kg
Crankcase Oil Capacity .................................................... 1.6 Gal....................................... 6.0 liters
Mechanical Effecency @ 700 RPM ..................................................................................... 0.83
Volumetric Effecency @ 700 RPM ...................................................................................... 0.96
RPM GPM 800 PSI 1000 PSI 1300 PSI 1500 PSI
479 45.0 25.7 32.1 41.8 48.2
531 49.9 28.5 35.6 46.3 53.5
585 55.0 31.4 39.3 51.1 58.9
638 60.0 34.3 42.9 55.7 64.3
700 65.8 37.6 47.0 61.1 70.5
GP7155-5100 PULLEY SELECTION &
HORSEPOWER REQUIREMENTS