The choice of circulating water pump:

1. the standard water pump is the latest type of pump made and recommended by the state according to the requirements of ISO. Its main features are small volume, light weight, excellent performance, easy operation, long life and low energy consumption. It is aware of the latest trend in the current pump industry. When the user chooses the pump, it is best to go to the sales point approved by the agricultural machinery department, and we must recognize the manufacturer. It is recommended to give priority to the purchase of water filled submersible pump and to see the certificate of quality and quality of the product. We must not buy products of three non products (that is, no manufacturer, no production date, no production license), otherwise the problem will be found, and the user will be helpless. Stainless steel self priming pump

2, according to the local power supply to determine the use of single phase pump or three phase pump.

3, choice of lift

The so-called lift refers to the required lift, but not the height of the water, which is particularly important for the selection of water pumps. The pump lift is about 1.15 to 1.20 times as high as the height of the water. If the vertical height of a water source to the water is 20, the required lift is about 23~24 meters. When choosing a pump, the best lift on the pump should be close to the desired lift. In this case, the efficiency of the pump is the highest and the use will be more economical. It does not necessarily require absolute equality. As long as the general deviation does not exceed 20% meters, the pump can work close to the energy saving.

4. How good is the lift

Choosing a head which is much smaller than the required lift will often fail to satisfy the user's wishes. Even if it can pick up the water, it will be very small and even become a useless pump. Do you buy the higher the pump lift? In fact, it is not. The high lift pump will lead to excessive flow and low overload due to the low lift. If the motor temperature rises for a long time, the insulation layer will gradually become old and may burn the motor.

5. Choose the right water pump

The flow of water pump, and the amount of water, generally do not choose too large, otherwise, will increase the cost of purchasing water pumps. Specific problems should be analyzed in detail. For example, the self suction pump for draught water should be selected as small as possible. If the submersible pump for irrigation is used by users, then the flow volume will be larger.

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