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Gear Type Lubrication Oil Pump
KCB series lubrication oil pumps are designed for transporting lubricating oil or other non-corrosive liquids with similar properties to lubricants, without solid particles or fibers. They can handle fluids at temperatures up to 80°C and viscosities ranging from 5 × 10â»â¶ to 1.5 × 10â»Â³ m²/s (5–1500 cSt). These pumps are ideal for a wide range of industrial applications where reliable fluid transfer is required.
**Structure Characteristics**
The KCB series gear pump consists of gears, shafts, pump body, pressure relief valve, and axial end seals. The gears are heat-treated to ensure high strength and rigidity, and they are mounted on replaceable sleeves along with the shaft. All internal components are fully lubricated by the pumped medium, ensuring smooth and efficient operation.
The pump features a well-designed back oil groove that minimizes torque and reduces bearing load, resulting in less wear and higher efficiency. A built-in pressure relief valve provides overload protection, with a safety valve set at 1.5 times the discharge pressure. While this valve can be adjusted according to specific needs, it should not be used as a long-term pressure-reducing valve. For such purposes, an additional valve can be installed separately.
When viewed from the overhanging end of the shaft, the pump rotates clockwise.
**Applications**
These pumps are widely used in various systems, including:
- Oil systems for transportation and pressure boosting
- Fuel oil systems for conveying and pressurizing
- Jet fuel pumps
- Hydraulic transmission systems for power supply
- Lubrication systems across different industrial sectors
**Specifications**
| Model | Capacity (m³/h) | Capacity (L/min) | Speed (r/min) | Discharge Pressure (MPa) | NPSHr (m) | Efficiency (%) | Motor Power (kW) | Motor Model |
|--------------|------------------|-------------------|----------------|---------------------------|------------|----------------|------------------|------------------|
| KCB-18.3 | 1.1 | 18.3 | 1400 | 1.45 | 5 | 44 | 1.5 | Y90L-4 |
| 2CY-1.1/1.45 | | | | | | | | |
| KCB-33.3 | 2 | 33.3 | 1420 | 1.45 | 5 | 44 | 2.2 | Y100L1-4 |
| 2CY-2/1.45 | | | | | | | | |
| KCB-55 | 3.3 | 55 | 1400 | 0.33 | 7 | 41 | 1.5 | Y90L-4 |
| 2CY-3.3/0.33 | | | | | | | | |
| KCB-83.3 | 5 | 83.3 | 1420 | 0.33 | 7 | 43 | 2.2 | Y100L1-4 |
| 2CY-5/0.33 | | | | | | | | |
| KCB-135 | 8 | 135 | 940 | 0.33 | 5 | 46 | 2.2 | Y112M-6 |
| 2CY-8/0.33 | | | | | | | | |
| KCB-200 | 12 | 200 | 1440 | 0.33 | 5 | 46 | 4 | Y112M-4 |
| 2CY-12/0.33 | | | | | | | | |
| KCB-300 | 18 | 300 | 960 | 0.36 | 5 | 42 | 5.5 | Y132M2-6 |
| 2CY-18/0.36 | | | | | | | | |
| KCB-483.3 | 29 | 483.3 | 1440 | 0.36 | 5.5 | 42 | 11 | Y160M-4 |
| 2CY-29/0.36 | | | | | | | | |
| KCB-633 | 38 | 633 | 970 | 0.28 | 6 | 43 | 11 | Y160L-6 |
| 2CY-38/0.28 | | | | | | | | |
| KCB-960 | 58 | 960 | 1470 | 0.28 | 6.5 | 43 | 18.5 | Y180M-4 |
| 2CY-58/0.28 | | | | | | | | |
| KCB-1200 | 72 | 1200 | 740 | 0.6 | 7 | 43 | 37 | Y280S-8 |
| KCB-1600 | 95 | 1600 | 980 | 0.6 | 7 | 43 | 45 | Y280S-6 |
| KCB-1800 | 112 | 1800 | 740 | 0.6 | 7.5 | 43 | 55 | Y315S-8 |
| KCB-2500 | 150 | 2500 | 985 | 0.6 | 7.5 | 43 | 75 | Y315S-6 |
| KCB-2850 | 170 | 2850 | 740 | 0.6 | 8 | 44 | 90 | Y315L1-8 |
| KCB-3800 | 230 | 3800 | 989 | 0.6 | 8 | 44 | 110 | Y315L1-6 |
| KCB-4100 | 245 | 4100 | 743 | 0.6 | 8 | 44 | 132 | Y355M1-8 |
| KCB-5400 | 325 | 5400 | 989 | 0.6 | 8 | 44 | 160 | Y355M1-6 |
| KCB-5600 | 330 | 5600 | 744 | 0.6 | 8 | 44 | 160 | Y355M2-8 |
| KCB-7600 | 460 | 7600 | 989 | 0.6 | 8 | 44 | 200 | Y355M3-6 |
| KCB-7000 | 420 | 7000 | 744 | 0.6 | 8 | 44 | 185 | Y355L1-8 |
| KCB-9600 | 570 | 9600 | 989 | 0.6 | 8 | 44 | 250 | Y355L2-6 |
These pumps are known for their durability, efficiency, and versatility, making them a popular choice for industrial and commercial use. Whether you need a compact unit for small-scale operations or a high-capacity model for large systems, the KCB series offers a suitable solution.