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FLOW SWITCH TECHNOLOGY
 
Vane Actuated Operating Principle
Disc Actuated Operating Principle

VANE ACTUATED FLOW SWITCH BASIC OPERATING PRINCIPLE

Flow through the horizontal pipeline causes the pivoted mechanical flow switch vane assembly to swing in the direction of the flow, lifting an attraction sleeve to actuate the switch.

The O-ring sealed adjusting screw in the top of the enclosing tube compresses the range spring located above the attraction sleeve. Turning the adjusting screw clockwise increases the rate at which the flow switches actuate. Adjustments can be made while the flow switch is in service.

DISC ACTUATED FLOW SWITCH BASIC OPERATING PRINCIPLE

The rate of flow through the valve body raises or lowers the disc. This in turn raises or lowers the magnetic sleeve, within its sealed non-magnetic enclosing tube. On an increasing flow rate, the magnetic sleeve rises into the field of the permanent magnet, located outside the enclosing tube, actuating the attached switch mechanism. When the flow disc is calibrated, a reversal of this action occurs.

 
 




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