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Fluorine plastic pump selection principle

Source: Time:2016-10-18 16:15:23 views:

Fluorine plastic pump selection principle: to make the type and performance of the selected pump in line with the flow rate, head, pressure, temperature, cavitation flow, suction process, such as the requirements of the process parameters
    1, so that the type and performance of the selected pump in line with the flow rate, lift, pressure, temperature, flow, suction and other process parameters of the requirements.
    2, must meet the requirements of the characteristics of the medium.
For the transport of flammable, explosive and toxic or expensive pump, requires a reliable seal, such as sulfuric acid, hydrochloric acid can be used to pump pump, fluorine plastic centrifugal pump, fluorine plastic self-priming pump etc.
For conveying corrosive medium of the pump, the requirements of the convective components of corrosion resistant materials, such as IHF fluoride plastic pump, CQB fluorine plastic magnetic pump, ZMD fluorine plastic self suction magnetic pump, etc.. The transportation of solid particles media pump for convection component wear-resistant materials used, such as: UHB-ZK mortar pump, when necessary, seal with the use of clean washing liquid.
    3, mechanical aspects of high reliability, low noise, small vibration.
    4, the economy should take into account the cost of equipment, operation, maintenance and management costs the lowest total cost.
    5, centrifugal pump with high speed, small size, light weight, high efficiency, large flow, simple structure, no pulsation of the infusion, stable performance, easy operation and convenient maintenance and so on.
Therefore, in addition to the following circumstances, should be selected as far as possible the centrifugal pump:
A, there are measurement requirements, the use of metering pump.
B, head is very high, flow is very small and not suitable for small flow high lift centrifugal pump can be used, can choose reciprocating pump, such as cavitation requirements are not high, but also can use the vortex pump.
C, head is very low, the flow is very large, can use the axial flow pump and mixed flow pump.
D, medium viscosity larger (greater than 650~1000mm2/s), can consider the use of rotor pump or reciprocating pump (gear pump, screw pump).
E, medium containing gas 75%, flow is smaller and the viscosity is less than 37.4mm2/s, can use the vortex pump.
F, to start the irrigation pump or inconvenience frequent occasions, should be selected with the performance of self suction pump, such as self suction centrifugal pump, self-priming vortex pump, pneumatic diaphragm pump (electric).
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