S level of open double suction pump volute principle and conditions of use

S level in the open in the volute double suction pump volute pump suitable for pumping clean water or physical and chemical properties similar to water ( Neutral or weak corrosive liquid with micro particles) Other liquid. Double suction pump is suitable for urban water supply, large water conservancy project, irrigation and drainage, drainage pumping stations, power stations, mining, industrial water supply system, air conditioning system, fire-fighting system, shipbuilding industry, also suitable for oil refining industry for general purposes.

S level in the open in the volute double suction pump volute pump belongs to the centrifugal pump, it works the same as the centrifugal pump, specific as follows:

drive ( Motor) By open pump volute pump rotating shaft to drive the impeller, the impeller blades driven fluid rotation together, and thus generate centrifugal force, under the effect of the centrifugal force, and fluid along the blade passage is flung to the impeller outlet, the liquid through the volute collected into the discharge pipe. Open in the volute pump energy from the impeller, liquid  gives pressure and speed can be increased, and energy will rely on this liquid to the work place. When a liquid impeller can't get enough energy, can be used multiple impeller for fluid power series or parallel.

open in the volute pump in liquid was dumped at the same time, exports to the impeller impeller inlet formed the low pressure, the center  of liquid in the center of the tank and the impeller is created between the differential pressure, fluid absorption liquid in the jar under the action of pressure difference, continually by the suction pipe and pump suction chamber into the impeller. So, in the process of rotating impeller side suction liquid unceasingly,  and continually to suction fluid at a certain energy, liquid discharge, open in the volute centrifugal water pump work continuously.

impeller installed in the pump shell, and tighten on the pump shaft, water pump shaft driven by the motor directly. shell and a liquid inhalation and suction pipe connection. Liquid by the bottom valve and the suction pipe into the pump. Liquid on the pump casing outlet connected to the discharge pipe. When the speed of the pump must be, the pressure head and flow rate related to the impeller diameter.

S level in the open in the volute double suction pump volute pump working conditions:

allowable working pressure of 2. 5MPa； The pump inlet pressure + pump 2 or less. 5MPa。 :

medium temperature of 105 ° C or less water or physical and chemical properties similar to water other liquid ( Solid particles or less 80 mg/L) 。

traffic: 50 ~ 4200 m3 / h ( The rated point) 。

exit diameter: DN = 80 ~ 500 mm.

1, must meet the requirements of the use of flow and head, the requirement of pump running time point ( Device characteristic curves with the pump performance curve intersection) Often remain within the range of effective operation, save power and not easy attaint parts.

2, the choice of pump as well as small volume, light weight, cheap, and has good characteristics and higher efficiency.

3, has good resistance to cavitation performance, stable operation, long service life.

4, the selected pump project less investment, low operating cost.

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