What is the difference between the rotor pump and centrifugal pump, screw pump

A lot of friends in to J&T pump industry website selected pump products, will face such a problem, the rotor pump, centrifugal pump, screw pump silly points not clear, don't know they should buy which one is better. Want to buy the right product, you must know the essential difference between the pump. If buy the wrong, that is equivalent to white. Today is in front of the screen, please follow the pace of small make up readers friends, know about the difference between the three together.

1, the difference between the rotor pump and centrifugal pump rotor pump and centrifugal pump silly points not clear, whether they are the same kind of material? Here am I clear tell you, both of them are not the same kind of material, not only has a huge difference in nature. First of all, rotor pump self-priming ability is stronger, but a centrifugal pump is not the case. You must before using centrifugal pump, to join a lot of liquid, fill it up with so far. Second, rotor pump itself belongs to positive displacement pumps, positive displacement pump conveying flow can get a degree of control, some people even consider this type of pump as variable pump to see. And in this regard, centrifugal pump won't do it, centrifugal pump's output has certain limitation, want variables, that is unlikely. Third, the centrifugal pump and pump rotor rotational speed difference is bigger, the speed of the rotor pump is lower, while the centrifugal pump rotating speed is higher. 2, the difference between the rotor water pump and screw pump rotor pump and screw pump than the rotor pump and centrifugal pump of the difference between the difference between the larger, first of all, in terms of pressure, the two are different. Rotor pump pressure is lower, the pressure of the screw pump is relatively high. Secondly, rotor pump efficiency is very high, and it needs less energy consumption, is also for this reason, so it has been. In contrast, the efficiency of screw pump and is itself has the close relation, the screw pump series from significantly affects the efficiency of screw pump. Finally, we is not hard to find, rotor pump is completely symmetrical structure, so, it gives the advantages of stainless steel rotor pump direction reversible. I say here refers to the direction of the conveying direction, we don't make a mistake. Unfortunately, screw pump, there is no this use out of the place, the direction of the single screw pump, is not can be reversed. Types of pump has a lot of, the effect of different water pump, the characteristics are different, even similar, essentially, is also has a certain difference. So recommend timely understand this aspect of content, in order to avoid unnecessary trouble appeared in the process of selection of pump.

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