Description
Constructed of an aluminum center housing and cast-iron end plates, the Chief 3PG series is a high-pressure hydraulic gear pump with seven displacement sizes from 1.34 to 3.66 in3/rev (22-60cm3/rev). The standard mounting flange is SAE B—2 bolt, and the standard shaft is a 7/8" diameter straight with a 1/4" key. Additional shaft options are available.
The recommended working conditions are as follows:
- Filtration: 25 microns or better
- Oil Viscosity: 6 to 200 cSt
- Ambient Temperature: -8 to 130° F (-22 to 55° C)
- Oil Temperature: -12 to 175° F (-25 to 80° C)
- Inlet pressure 12 to 32 PSI absolute
Specific model features:
- Model code: GP30-51D-78KB2
- CID: 3.11 in3/rev (51 cm3/rev)
- GPM: 22.3 @ 1800 RPM
- RPM: 2000 (rated), 2400 (max)
- PSI: 3625 (rated), 4060 (max)
- Shaft: 7/8” Straight, 1/4” Key
- Mounting flange: SAE B—2 bolt
- Ports: SAE 20 /16
- Rotation: Clockwise
Specifications
Weight:
15.70 LBS
PSI:
3625 (rated), 4060 (peak)
Cubic Inch Displ. (CID):
3.11
GPM:
22.3 (@1800 RPM)
RPM:
2000 (rated), 2400 (max)
Inlet Port:
SAE-20
Outlet Port:
SAE-16
Shaft:
7/8" Straight Key
Rotation:
Clockwise
