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Lubrication pumps are industrial pumps that can supply liquid state substances such as oil to the lubrication points for the plain bearings units. Lubrication pumps are submersible pumps that can rest on the oil reservoir and have a throttling bush capacity at the shaft passage. With this design, the oil leakage of the lubrication pumps is running directly back into the oil reservoir as the best arrangement.
Pumps can be divided into several types and lubrication pumps are submersible types of pumps that can do a lot of convenient jobs to the transmission jobs. Both industrial and commercial pumps are pumps that used to deal with liquid substances with various design and operational issues to achieve specific transmission goals. These are critical components to operators to manage their liquid management duty, and the lubrication nature of the lubrication pumps makes it standing out of the pump inventory.
A commercial pump is a pump equipment that moves fluids-state substance by its mechanical action for commercial applications. Pumps can be categorized into three major models based on the method those pumps exploited to move the target fluids. And just like industrial pumps, Commercial pumps can also be classified in another way. That is, submerged in the fluid in which they are doing pumping works, or be placed externally to the fluid they are dealing with. In the submerged case, it is called submersible pumps as the professional term for the lubrication model.
Pumps can also be categorized by their method of displacement into positive displacement pumps, impulse pumps, velocity pumps, gravity pumps, steam pumps and valve-less pumps. Besides, there are two basic types of pumps, that is, positive displacement and centrifugal pumps. All the pumps need oil as key liquid components as oil can do a lot that non-oil substance cannot achieve it. Inside all the pumps, oil circulation and oil management are highly evaluated for the good of the total operation.
These types of classifications are used in both theoretical and commercial pumps production, while in the commercial pumps usages, the main purpose is for industrial application. For the utilization of water resources, pumps’ operation is pretty much crucial to the whole circulation issues concerning many key points such as lubrications. Generally speaking, pumps can operate through many power sources, such as manpower’s’ manual operation, electricity, engines, or even wind power. Those energy sources can be a wide variety of equipment which comes in any sizes, from microscopic for use in medical pumps applications to large industrial pumps for waterworks, or ordinary size industrial pumps for machine tool coolant transmission.
Industrial pumps serve in a wide range of applications such as pumping water from conventional wells, aquarium filtering duty, pond filtering tasks. In the car industry for water-cooling and fuel injection or in the energy industry for pumping oil and natural gas, or for operating cooling towers are all the industrial pumps’ applications.
In the machine tool sectors, pumps are utilized to move cutting liquids, coolants, oils, etc. in the medical industry, pumps are used for biochemical processes in developing and manufacturing medicine, and as artificial replacements for body parts, in particular the artificial heart and penile prosthesis. Oil pumping can be observed in many applications as well, since oils are an important substance for lubrications and other ordinary usages of lubrication.
Beside the lubrication pumps, centrifugal pumps are positive displacement pump that can produce the same flow at a given speed no matter what the discharge pressure is. As a result, positive displacement pumps are constant flow pump machines. At the same time, however, a slight increase in internal leakage as the pressure increases prevents a truly constant flow rate.
That is to say, positive displacement pumps must not operate against a closed valve on the discharge side of the pumps. Lubrication issues concern the pump design, and pumps lubrication is hence the key to this situation. This kind of situation has no shutoff head like centrifugal pumps. Therefore, positive displacement pumps operating against a closed discharge valve continue to produce flow and the pressure in the discharge line increases until the line bursts, ands the pumps are severely damaged. For safety concern, a relief or safety valve on the discharge side of the positive displacement pumps is thus necessary, and both manufacturers of pumps and users in the industry shall be careful of this issue.
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