How to choose the pump lift?

Select method could satisfy the requirement of lift pump

1, the pump lift selection

Lift refers to the lift, and not carry water height, clear that to choose the pump is particularly important. Pump head is about 1.15 ~ 1.20 times the height of water. Such as a water to water the vertical height of 20 meters, the head needed for about 23 ~ 24 meters. Choosing pumps should make water pump nameplate on the head with the best head needed close to such a case, the pump efficiency is highest, use will be more economic. But not necessarily demands absolute equal, general deviation as long as no more than 20%, the water pump can be in the energy conservation work.

2, nameplate, lift much more good choice nameplate lift head needed by the far less than a water pump, often can not satisfy the user's wishes, even able to draw water, water will also tiny, even become a useless "spare pump. Whether to buy the pump head, the higher the better? It's not. High-lift pump used for low head, then there will be a heavy traffic, lead to motor overload, if the long run, the motor temperature, winding insulation will gradually aging, and even burning motor.

Three, choose appropriate flow pump pump flow, namely the water yield, generally unfavorable choose too large, otherwise, would increase the cost of buying pumps. Should be specific analysis, such as user your draft with self-priming pump, flow should try to choose smaller; Irrigation with submersible pump, such as the user can select appropriate traffic.