Self-priming centrifugal oil pump, horizontal oil pump
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- Tel:13012608150
- Email:15314489@qq.com
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I. Overview of 2CY and KCB Gear Oil Pumps
The 2CY and KCB gear-type oil pumps are horizontal rotary pumps with a flow rate range of 0.045-30 m³/h, a pressure range of 0.7-20 MPa, and an operating speed of 1200-4000 r/min. They are widely used in industries such as petroleum, chemical engineering, shipbuilding, electric power, grain and oil processing, food, medical treatment, building materials, and metallurgy. They are suitable for transporting lubricants or heavy oils with a temperature below 180°C and a viscosity of 5-1500 cSt, as well as diesel oil and lubricating oil. When equipped with copper gears, they can transport liquids with lower flash points. Stainless steel gear pumps can also be manufactured for transporting beverages and corrosive liquids.
II. Structure of 2CY and KCB Gear Oil Pumps
The 2CY and KCB gear-type oil pumps mainly consist of components such as a pump body, gears, bearing brackets, pressure relief valves, bearings, and sealing devices. They are directly connected to the driving motor via an elastic coupling and installed on a common cast iron base. The pump body, bearing brackets, etc., are made of gray cast iron; the gears are made of carbon steel, and can also be made of copper or stainless steel according to special user requirements. There is a packing chamber in the bearing bracket for axial sealing. For KCB-300 to 960 type pumps, skeleton sealing devices are adopted (sealing forms can also be replaced according to customer needs, such as mechanical seals). Single-row radial ball bearings are used. For KCB-18.3 to 83.3 type pumps, two oil-resistant rubber rings and a spacer ring in between are used. The sealing degree is adjusted by two nuts on the compression cover, and copper-based powder oil-impregnated bearings are used. In addition, flexible graphite with good elasticity, high and low temperature resistance, stable chemical properties, and self-lubricating performance can be used as packing for all pumps in this series. A pressure relief valve is installed inside the pump. When a fault occurs in the pump or discharge pipeline, or when the discharge valve is accidentally closed, high pressure and high pressure impact will be generated. At this time, the pressure relief valve will automatically open to discharge part or all of the high-pressure liquid back to the low-pressure chamber, thereby protecting the pump and the pipeline.
III. Working Principle of 2CY and KCB Gear Oil Pumps
This type of pump is equipped with a pair of rotating gears inside the pump body, one driving and one driven. Through the meshing of the two gears, the entire working chamber inside the pump is divided into two independent parts: the suction chamber and the discharge chamber. When the pump operates, the driving gear drives the driven gear to rotate. When the gears separate from meshing on the suction side, a partial vacuum is formed, and liquid is sucked in. The sucked liquid fills each tooth groove of the gears and is carried to the discharge side. When the gears enter meshing, the liquid is extruded to form high-pressure liquid and discharged out of the pump through the pump's discharge port.
IV. Model Parameters of 2CY and KCB Gear Oil Pumps
| Industry Category | Machinery & Equipment/General Mechanical Parts/Pumps |
|---|---|
| Product Category | |
| Brand: | 诺西德 |
| Spec: | KCB |
| Manufacturer: | 山东诺西德机械矿业设备有限公司 |
| Origin: | 113708 |
