KTI Hydraulics Inc.

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Improving Hydraulic Systems, Superior Quality, Unrivaled Customer Service and On Time Deliveries.

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Hydraulic Gear Pumps

Our hydraulic gear pumps meet the critical application needs of our customers.

Hydraulic Gear Pumps

Our hydraulic gear pumps meet the critical application needs of our customers because they are efficient, more dirt tolerant (compared to similar pumps), lightweight, have more fluid compatibility, and offer greater inlet vacuum tolerance.

PL Gear Pumps

The pressure loaded (PL) hydraulic gear pump contains a pair of gears supported by two bearing blocks, housing and two covers. The axial clearance can be automatically compensated by the bearing blocks; the PL Pump features high mechanical and volumetric efficiencies, low noise level as well as low weight/power ratio.

Model Specificaltions

Model Displacement (cubic In. / revolution) Speed
Rated Max
PL-0.63 0.039 2,000 4,000
PL-0.80 0.054 2,000 4,000
PL-1.20 0.077 2,000 4,000
PL-1.60 0.101 2,000 4,000
PL-2.10 0.132 2,000 4,000
PL-2.50 0.152 2,000 4,000
PL-2.70 0.169 2,000 4,000
PL-3.20 0.202 2,000 4,000
PL-4.20 0.242 2,000 3,600
PL-5.00 0.311 1,500 3,000
PL-6.00 0.368 1,500 3,000

STN Gear Pumps

The KTI STN series pressure loaded gear pump consists of a gear pair supported by two aluminum bearing blocks, center housing, front and rear cover with American Standard 4F17 mounting. The STN pump features simple structure, high mechanical and volumetric efficiency, low noise level as well as high reliability. It is widely used in the hydraulic system of truck, lift and transport machinery, mine machinery, and agriculture machinery, etc.

Model Specificaltions

Rotation: CCW
Inlet Port: 3/4 -16 SAE ORB (side)
Outlet Port: 9/16-18 SAE ORB (side)
Speed:
2,000 to 4,000 rpm

Model Displacement cc/rev (cu in / rev) Pressure
(psi MAX)
“L”
(inch)
“B”
(inch)
STN2 1.36 (0.083) 4,000 4.00 2.38
STN3 2.05 (0.125) 4,000 4.07 2.42
STN4 2.74 (0.167) 4,000 4.15 2.46
STN5 3.42 (0.209) 4,000 4.23 2.50
STN6 4.10 (0.250) 4,000 4.31 2.54
STN7 5.13 (0.313) 4,000 4.43 2.60
STN8 6.16 (0.376) 4,000 4.54 2.65
STN9 7.52 (0.459) 4,000 4.70 2.74
STN10 9.22 (0.563) 3,600 4.90 2.83

Hi/Low 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.

Model Specifications

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
For more information on our electric motors, please contact one of our specialists by phone, (949) 752-8818 or by email at sales@ktihydraulicsinc.com.