The oil for oil offer is very wide. However, you should be aware that not every model will meet certain expectations. For this reason, it is worth learning the basic categories of oil pumps. One of the most common divisions concerns a technological issue. In relation to this, you can distinguish gears, rotor, arc and shoulder pumps.
Gears
It is pump Rotational displacement and can have internal or external translations. Toothed pumps are characterized by simple structure, constant performance, ease of use and reliability. They work on the basis of suction of liquid, which then with the help of gears press further. It is enough to set up one gear in motion for driving, and it introduces the others rapidly. The pump can have two to five gears. It works with unchanging efficiency, and its speed is from 500 to 900 rpm of the wheel per minute.
Rotor pumps
These are pumps operating on a rotor basis, which rotates at a constant speed, causing sucking in the inlet and a surplus of pressure on the pressed side. What's more, thanks to the use of centrifugal force and buoyancy, it provides continuous liquid flow. The vortex pumps are characterized by simple construction, low failure rate, low operating costs, high efficiency and relatively small size. They are increasingly used and displace gear pumps from the market. Their disadvantages include the inability to self -caring and low resistance to pollution in pumped liquid.
Arc pumps
These pumps that have many applications are adapted to pump almost every liquid. The arched pump is made of two elements - pumping pipe and drive. When the liquid flows through the pipe, the rotor is put into motion and the liquid is pumped to the surface. Arched pumps are characterized by convenience of use, the possibility of pumping liquids of different viscosity and low weight.
Pumps
They operate on the basis of a rotor equipped with shoulders, which during the pump operation seize the liquid and transfer it to the pump pressure chamber. Arched pumps are characterized by high efficiency (so you can use smaller engines than in gear pumps), quiet operation and high resistance to pollution of pumped liquid.
