Fluoride plastic pump is to use F46 high temperature casting and become, is suitable for conveying acid, alkali, salt and other corrosive medium, fluorine plastic pump in use process, if any, will suppress pump to pump damage?
What is suppress pump?
In nonmetallic material water pump
, in use process may appear error, the pump outlet valve does not open or pump export blocked by impurities, it appears the phenomenon of suppress water pump.
Non-metallic pump generally with the material of ptfe, perfluorinated ethylene, ultra-high molecular weight polyethylene etc. Nonmetal.
Conventional heat resistance will not higher than 100 degrees Celsius (
Fluorine alloy such as relatively high)
If long time suppress pump, causing the medium temperature rise sharply will make the flow components deformation and damage.
Suppress the pump in the outlet valve opening is small or completely shut down, if long time to close the outlet valve outlet pressure to zero, then the motor do all the work is converted into heat energy, the pump cavity temperature will rise sharply, pump body, impeller, such as the distortion phenomenon, leading to pump seal damage, shaft connection failure, etc. , will damage the pump.
Especially easy vaporization medium and high dust pump, has little traffic at this time limit, need to set up small flow line.
Solution: return line can be set up small, can be sure the pump after always have a certain flow through the pump.
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