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Working Principle of Flow Switch with Animation

Flow Switch Working Principle Animation

The operating principle is based on a free floating magnetic piston which responds only to the motion of fluids within the line, not to static or system pressures. In the presence of fluid flow, controlled movement of the piston actuates an external hermetically sealed reed switch. This switch can be used to actuate audible or visual alarms, as well as relays, or other controls. The piston’s movement by the fluid flow can be seen in the animation

flow switches are used to determine if the flow rate is above or below a certain flow rate. This value (the set point) can be fixed or adjustable. When the set point is reached, the response can be the actuation of an electric circuit. When the flow switch is actuated, it will stay in that condition until the flow rate moves back from the set point by some amount.

Also Read: Level Switch Working Principle Animation

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Josh Koikkara September 24, 2015 at 1:36 pm

Sir, using flow switch can we measure flow pressure?

S Bharadwaj Reddy September 24, 2015 at 1:51 pm

Not Possible. Mainly Flow switch used to identify the presence of flow in the pipe.

kumar September 24, 2015 at 11:43 pm

Thanks for sharing the animations.

Ganesh February 28, 2016 at 5:43 pm

Thank u …

Kamleshwar Rao March 22, 2016 at 1:24 pm

How can we use the flow switch mechanism with L&T MU-G10 starter panel to stop the motor on dry run i.e. when there is no flow of water, inorder to stop the motor from dry running.

Vignesh July 23, 2016 at 5:42 am

Easy to understand with your animation. Keep it up.

ajay singh tomar December 21, 2016 at 12:47 am

What is the diff b/n rising and falling setpoint.


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