Chief Group 3 Gear Pump (3PG) - 2.38 CID (39CC), 7/8" Key Shaft, SAE-B 2-Bolt Mount, SAE-16/12 Ports, CCW rotation

Constructed of an aluminum center housing and cast iron en plates, model 3PG 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 an SAE B - 2 bolt. 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: GP30-39S-78KB2
CID: 2.38
RPM: 2000 (rated), 3000 (max)
Shaft: 7/8" Straight Key
Mounting flange: SAE B - 2 Bolt
Rotation: Counterclockwise

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