Differential Pressure Flow Switch

The WFS1 Series differential pressure flow switch was designed to be compact, cost-effective differential pressure switch for application such as proof-of-low, filter monitoring, etc. It is one of the most important applications in HVAC controlling system. It depends two opposing diagrams to sense pressure on the "High" and "Low" pressure output of a system. The resulting pressure differential is transmitted through a linkage to a snap-action electrical switch, providing an output when a pre-set difference is exceeded. It is the substitute for the target flow switch.

Application

Typical applications include flow controlling and monitoring for pump and filter in air-cooled water chiller\water-cooled chiller those use plate-type heat exchanger\double-pipe heat exchanger and shell-and-tube heat exchanger

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