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90
85
80
75
70
0 2900 5800 8700 11,600
Pressure (PSI)
Decibels
750 RPM
500 RPM
1400
= hp
Volume........................................................................................................ Up to 9.9 GPM
Discharge Pressure ..................................................................................... Up to 10,000 PSI
Speed .......................................................................................................... Up to 750 RPM
Inlet Pressure .............................................................................................. Up to 90 PSI
1
Plunger Diameter........................................................................................ 22mm
Plunger Stroke ............................................................................................ 48mm
Crankshaft Diameter................................................................................... 48mm
Key Width................................................................................................... 14mm
Crankshaft Mounting.................................................................................. Either side
Shaft Rotation................................................................................ Top of pulley towards manifold
Temperature of Pumped Fluids .................................................................. Up to 140
o
F
Inlet Ports ................................................................................................... (2) 1 1/4" BSP
2
Discharge Ports........................................................................................... (2) 3/4" BSP
3
Weight......................................................................................................... 374 lbs.
Crankcase Oil Capacity .............................................................................. 1.6 Gal.
Fluid End Material ..................................................................................... Stainless Steel
Volumetric Efficiency @ 750 RPM............................................................ 89%
Mechanical Efficiency @ 750 RPM........................................................... 83%
Specifications Model GP7122
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 1.1 service factor be specified
when selecting an electric motor as the power source.
To compute specific pump horsepower requirements,
use the following formula:
GPM X PSI
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.
1
Positive inlet pressures are recommended!
2
To convert to FNPT threads, add 13377-0100 (Adapter) and 13376-0100 (Seal)
3
To convert to FNPT threads, add 14081-0100 (Adapter) and 14082 (Seal)
System Requirements: No Unloader or Regulator allowed. Must use a safety valve and dump gun.
GP7122 HORSEPOWER REQUIREMENTS
RPM GPM 3000 PSI 5000 PSI 6000 PSI 7250 PSI 10000 PSI
300 4.0 8.6 14.3 17.1 20.7 28.6
400 5.3 11.4 18.9 22.7 27.4 37.9
550 7.3 15.6 26.1 31.3 37.8 52.1
600 7.9 16.9 28.2 33.9 40.9 56.4
650 8.6 18.4 30.7 36.9 44.5 61.4
700 9.2 19.7 32.9 39.4 47.6 65.7
750 9.9 21.2 35.4 42.4 51.3 70.7
30
26
23
0 500 600 700
RPM
NPSHR Chart
NPSHR(FT-HEAD) Viscosity = 1 Centipoise
3
90
85
80
75
70
0 2900 5800 8700 11,600
Pressure (PSI)
Decibels