What is the back pressure of a screw pump?

2017-02-09View Original

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Is back pressure the same as inlet pressure? Why does the discharge pressure of a screw pump depend on its back pressure?

Reply #22017-02-10

Back pressure is the pressure behind the pump, and it is related to the target pressure and pipeline resistance

Reply #32017-02-10

This is because screw pumps have a discharge pressure; when the back pressure is higher than or around this value, a large amount of material will flow back through the gap between the stator and the rotor. That’s roughly how it works

Reply #42017-02-10

Back pressure is the pressure behind the pump, and it is related to the target pressure and pipeline resistance

Reply #52017-02-10

Back pressure refers to the pressure in the backflow system; too high back pressure can easily cause congestion

Reply #62017-02-10

Back pressure is the pressure behind the pump, and it is related to the target pressure and pipeline resistance

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What is the back pressure of a screw pump?

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