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YPL insertion type flapper (vane) operated magnetic flow switch Are suitable for sensing flow of liquids like oil, chemical or in Water lines. These switches can either be supplied in weather Proof housing.

Principle of Operation

The flapper is magnetically linked to pivoted micro switch which is Isolated from the process by a non magnetic enclosing tube. As the Flapper moves with an increase in flow, it drives attraction sleeve Into the fields of a permanent magnet located outside the enclosing Tube which actuates the switch. As flow decrease, the flapper returns To a vertical position allowing the magnet and switch assembly to Return to the ‘No flow’ position.


Service condensate, oil, liquids
Process Connection 2” NPT
Process Connection Material carbon steel/SS304/SS316
Temperature 150⁰C
Operating Pressure Upto25kg/cm²
Enclosure Weather proof
Enclosing Tube SS316
Attraction sleeve SS410
Flapper & linkage SS316
Body carbon steel/SS304/SS316
Electric Connection ½” NPT
Setting accuracy ±25mm
Call 92111 11554