Water pump teaches you how to choose a water pump

The water pump manufacturer teaches you how to choose a water pump: 　We all know that a water pump must be used for fish tank farming, but many people often worry about choosing a water pump, because choosing a suitable water pump can not only drive the fish tank water circulation well but also save money A lot of unnecessary energy consumption.　　Water pump is a machine that conveys liquid or pressurizes liquid.　　The factors involved in the selection of water pump: power, flow, head, quality, etc.　　 Power: The amount of work done by a machine in a unit of time is called power, in kilowatts.　　 Flow rate: also known as water delivery volume, it refers to the amount of water delivered by the water pump in a unit time, and its units are liters/second, cubic meters/second, cubic meters/hour.　　 Lift: refers to the height of the pump that can lift water, in meters. Quality: Poor quality water pumps will have problems such as loud noise, rusty metal parts, cracked wires, non-working, etc., and there are great safety risks. Therefore, when choosing a pump, you must choose some well-known and reputable brands. You can’t just buy some poor quality pumps just to save money.　　Relationship between various parts　　According to the relationship between flow and head, water pumps can be divided into flow pumps and head pumps. Axial flow pumps are typical flow pumps, which are characterized by large flow and small head. Centrifugal pumps (especially multi-stage centrifugal pumps) can lift water to a very high height, but the flow is relatively small. When the lifting height increases, the flow rate of the flow pump will decrease sharply, while the flow rate of the head pump will decay relatively less.　　 There is a certain relationship between head, flow and power. To ensure sufficient head and flow, corresponding power must be provided. Low-power water pumps, because of their poor ability to lift water, not only have a small lift, but also their flow will drop sharply as the height increases. Therefore, when the water lift height is relatively large, the power should be taken as an important reference index . The actual flow rate of a water pump is usually not easy to judge. If you only look at the flow rate indicators provided by the manufacturer, there may be big discrepancies.　　Flow rate, everyone likes to choose a pump with a large flow rate, so choose a pump with the same flow rate, the lower the power, the more savings. For the bottom filter, the attenuation of the actual flow cannot be underestimated. There is a certain proportional relationship between the flow rate of the water pump and the volume of the aquarium. Generally speaking, the flow rate/hour must be at least 2-3 times the volume of the aquarium. Water pump factoryu003c/pu003e
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