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VA Flow Switches

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VA Flow Switches
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Flow switch type III

The Flow Switch is able to fit small flow and line sizes. These switches work on the principle of variable flow area where the alarm switch point is allowed to bet set at a very low flow and still the switch is capable of handling large flows without creating a large pressure drop

Flow switch IIIa type

The Flow Switch is able to fit small flow and line sizes. These switches work on the principle of variable flow area where the alarm switch point is allowed to bet set at a very low flow and still the switch is capable of handling large flows without creating a large pressure drop

Flow switch type IV

The Flow Switch is designed to give an initial alarm at a very low flow and still capable of allowing a high full liquid flow passing through when pumps or valves are activated by the micro switch. This is since the Flow Switch is de-signed with a variable flow passage area which increases as the liquid flow rate increases. It is also equipped with an internal rubber diaphragm to make the switch even more sensitive atlow liquid flows.

Low Flow Switch

Low cost micro variable area flow switch. The float is controlled by a spring in a cylindrical measuring tube. The passing medium pushes the float in the di-rection of flow. The reed contacts on the outside of the measuring tube are sealed. When the float reaches the reed contact, the switch closes. When the flow increases, the float continues to move upward until the built-in float baffle, while keeping the switch closed, thus ensuring that the function of the bistable switch can be realized at any time. Reed contact can be adjusted in all switching range of the instrument.

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