Shut off Valve for Medical FLow Loop

MagnusJohannes · October 13, 2020, 18:55

Would anyone have a idea on a shut off valve for use in a cardiovascular flow loop?

We have a standard ball valve that we are using, however, it seems to have many short comings: We can't re-create the exact same level of shut-off because there's no way of telling if we have the valve at the same point.

Additionally, we have no way of telling how much the valve is shut, that is other than estimating the amount of rotation in the VERY inaccurate knob. More accuracy is needed.

Any ideas?

Thanks!

aero_head · February 15, 2021, 01:13

Hello,

Have you considered using a solenoid valve? They are the most frequently used control element in fluidics. They are commonly used to shut off, release, dose, distribute or mix fluids. For that reason, they are found in many application areas. Solenoids generally offer fast and safe switching, long service life, high reliability, low control power and compact design.

October 13, 2020, 18:55	Shut off Valve for Medical FLow Loop	#1
MagnusJohannes New Member John Join Date: Aug 2016 Posts: 4 Rep Power: 9	Would anyone have a idea on a shut off valve for use in a cardiovascular flow loop? We have a standard ball valve that we are using, however, it seems to have many short comings: We can't re-create the exact same level of shut-off because there's no way of telling if we have the valve at the same point. Additionally, we have no way of telling how much the valve is shut, that is other than estimating the amount of rotation in the VERY inaccurate knob. More accuracy is needed. Any ideas? Thanks!

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February 15, 2021, 01:13		#2
aero_head Senior Member Kira Join Date: Nov 2020 Location: Canada Posts: 435 Rep Power: 8	Hello, Have you considered using a solenoid valve? They are the most frequently used control element in fluidics. They are commonly used to shut off, release, dose, distribute or mix fluids. For that reason, they are found in many application areas. Solenoids generally offer fast and safe switching, long service life, high reliability, low control power and compact design.