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1. Choose the theory of the pump. BLDC PUMP is centrifugal pump, can not self priming.
2. Confirm the type of power, AC or DC? AC pump is cheap but not safe and not good quality. DC pump is slightly expensive because of its cost of electronic components. Meanwhile, only DC pump can achieve complex functions, such as speed control, smart program. You need to consider that which is more important for you, the cost or the performance?
3. Consider your requirements of the head and flow rate; this is the most important thing during you choosing the water pumps. In general, all pumps will be marked a max head and a max flow rate. Please note: it does not mean that the pump can achieve the max head and max flow rate at the same time. Usually, you need choose a higher head than your actual needs, because when the pump achieved its max head its flow rate will be zero. Our head-flow graph will be helpful for your decision.
4. Consider the appearance of pump, the size and direction of the input and output, whether need threaded connection? If you really need a customized appearance, we can do it, but it is not cheap. So I suggest you try to choose a model we have it in stock.
5. When you are considering these issues above, you also need to consider other things: pump's working environment, temperature, media, whether need program control, speed control, time control, motion control, pressure control and flow control etc. More capability will cost more; you need to consider whether you really need!
We offer dropshipping service. If you want to sell our products in your countries or your website. We can offer you all clear photos with no watermark for your website design. When your customer place an order in your website, you just need to place an order in our store, we will send the goods to your customer directly. It is easy and very convenient.
We offer any OEM/ODM customized service. MOQ is 50 PCS. You can send me email to tell me your requirements!
email: jarred@bldcpump.com
1. The positive pole is red or brown wire; the negative pole is black or blue wire.
2. Overvoltage, reverse wiring will burn the motor. Confirm your power voltage before connecting the pump, to ensure that it works under the rated voltage.
3. BLDC pump is not self-priming pump. It must be installed under the liquid level or completely submerged in the liquid.
4. Keep the water clean, prohibiting impurities from entering the pump. Some device such as filter will be useful.
5. Dry operation (operation without liquid in the pump) will damage the pump.
6. Head means water's height inside of a pipe, not the spraying height.
7. Flow rate is horizontal rate, if you need a certain height, the flow rate will be reduced.
8. When the head is at the max height, the flow rate will be zero. You could choose the suitable pump refer to our Performance Curves.
9. Ensure the water clear, regular checks can increase pump's lifespan.
Solar Water Pumps (3 phase pumps could be connected to solar panel directly! also for hot water!)

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