Energy efficient pump with excellent hydraulic model research on international advanced and unique, radial split type pump, mechanical structure design is reasonable, stable mechanical properties, casting molds are used in 3D manufacturing process design, the impeller adopts white steel material, high efficiency, low noise. The pump body is resistant to wear and wear. The product is complete in model, beautiful in appearance and easy to install and maintain.

The selection of energy saving pumps should be determined according to the design flow and the required lift, and should meet the following requirements:

1. The same type should be selected for the energy saving pumps, and the number of tables should not be less than 2, which should not be greater than 8. When the water quantity is very large, the water pump with different specifications can be configured, but it should not be more than 2 kinds, or the variable frequency speed regulating device, or the adjustable pump with the blade.

2. The energy saving pump of the power station should be used by the pump. When the number of working pumps is not more than 4 units, the spare pump should be 1. When the number of working pump stations is not less than 5 units, the spare pump should be 2. When the standby pump of the submersible pump room is 2, there are 1 stations on the spot and 1 spare units in stock. The rainwater pump room can not be used for pump. The rainwater pumping house on the interchange road can be set up as the spare pump for the importance of the pump room.

3, the selected energy-saving pump should run well in the efficient area when the design head is satisfied, and it should be able to operate safely and stably in the whole working range of the highest working head and the minimum working head. When more than 2 parallel pumps run together with a water outlet pipe, the operation condition of a single pump should be checked according to the characteristic curve of the pump and the working characteristic curve of the pipeline, so that it can meet the design requirements.

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