Analysis of Why a Peristaltic Pump Won't Draw Water

During the use of a peristaltic pump, there's a possibility that it won't draw water. So, what are the reasons for this situation? Regarding this question, Puri Fluid, a professional peristaltic pump manufacturer, will guide you to understand.

• The suction port of the hose at the suction end is touching the bottom or wall of the liquid-containing vessel.

Solution: The hose at the suction end of the peristaltic pump needs to be reinstalled.

• There is an air leak in the suction hose of the peristaltic pump.

Solution: Replace the leaking hose.  

• The suction hose of the peristaltic pump is blocked.

Solution: Remove the blockage or replace the blocked hose.

• Using a hose with a non-standard wall thickness causes the working part of the peristaltic pump to not tightly compress the hose, leading to air leakage.

Solution: Replace with a standard-sized hose.

• The compression gap of the pump head has changed, preventing it from tightly compressing the hose during normal use, resulting in air leakage.

Solution: If the pump head does not have pressure adjustment, a new pump head needs to be replaced; if the pump head has a pressure adjustment function, the pressure adjustment knob needs to be adjusted until water enters the hose.