Recent content by sylph

Yes, capillary action in the tubing: the wall is very thin, so is the OD (5mm). And no I have no way to equalize the stream pressures, but making the tubing horizontal helped! (it used to be vertical which would worsen the capillary action, logically!)

Thank you for your answers, berkeman and lnewqban :D! Yup I am using a typical layout for my pump, I have 6 roller bearings and 3 of them constantly pinch the tube shut while at rest. The liquid doesn't go through the pump "at first", but after some time (probably because my tubing gets wet...

Hello, I designed a tiny peristaltic pump which works really fine. I am using a very thin tubing of 0.5mm diameter, which makes me struggle with capillary action, unfortunately. When my pump is not working, sometimes liquid still flows into the tubing because of capillary action. Do you have...