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Precautions for selecting fountain pumps

The selected fountain is a dedicated pump, the flow and head should be consistent with the fountain system design flow and design head, when the set value changes, the pump is always in the high efficiency of the work area, does not produce cavitation or make the engine overload, fountain The size of the special pump and the number of tables are mutually restricted. Dedicated fountain pump large volume, high efficiency, the installation of a small number of equipment, civil engineering and management costs are also reduced; but the table can not be too small, a pump failure on the entire system a great influence.
       
Generally speaking, it is advisable to install 2 to 4 sets. When the system design flow rate is less than one hour, only one fountain-specific pump can be set, but a sufficient number of wearing parts should be provided. Pumping stations do not normally have dedicated pumps for reserve fountains. If there are several types of pumps that meet the design flow and design head requirements of a fountain system, choose the type of pump that is efficient, low power, easy to operate and easy to maintain, resulting in less total investment in the fountain system. Fountain system installed in the same fountain system, designed to meet the same model, easy to manage and spare parts. Adaptive automatic and semi-automatic control, so that a single pump room structure. The existing fountain pump model can not meet the fountain system design flow and design head requirements, can be used string, parallel, variable speed way to solve.
       
As far as possible to choose a special pump with good cavitation performance, which simplify the pump room structure, reduce pumping station investment, ensure the safe operation of the unit is of great significance. Centrifugal pump selection, for example, the pump suction, water level is small, can be used for simple brick and wood structure. On the contrary, it is necessary to convert to a more complex dry room pump room composed of reinforced concrete and masonry mixed structures.
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