Hi/Low Gear Pumps Gear Pumps

The Hi/Low 2-stage gear pump consists of a big displacement, low pressure pump and a small displacement, high pressure pump, a check valve as well as an unloading valve, while working at a pressure lower than the unloading pressure, both big and small pumps output flow. When working at a higher pressure, only small pump outputs flow, which reduces the power consumption.

Rotation: CCW
Inlet Ports: 3/8 NPT Rear and 3/8 NPT Side
Sequence Setting: 200 to 800 psi; Preset at 600 psi
L: Distance from mounting face to rear cover

Model Displacement
cc / rev (cu in / rev)
Pressure
(psi MAX)
Speed
(rpm MAX)
“L”
(inch)
Low Press Hi Press
CBK-C2.1F/F0.8F-ES 2.17 (0.132) 0.89 (0.054) 3,000 1,800 5.60
CBK-C3.2F/F1.2F-ES 3.32 (0.202) 1.27 (0.078) 3,000 1,800 5.60
CBK-C3.7F/F1.2F-ES 3.84 (0.234) 1.27 (0.078) 3,000 1,800 5.91
CBK-C4.2F/F0.8F-ES 4.3 (0.262) 0.89 (0.054) 3,000 1,800 5.92
CBK-C4.2F/F1.2F-ES 4.3 (0.262) 1.27 (0.077) 3,000 1,800 6.00
CBK-C4.2F/F1.6F-ES 4.3 (0.262) 1.66 (0.101) 3,000 1,800 6.04
CBK-C5F/F1.2F-ES 5.1 (0.311) 1.27 (0.078) 3,000 1,800 6.10
CBK-C5F/F2.1F-ES 5.1 (0.311) 2.17 (0.132) 3,000 1,800 6.24
CBK-C6F/F2.1F-ES 6.03 (0.367) 2.17 (0.132) 3,000 1,800 6.38

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