When the differential pressure switch is operated and controlled, it uses the pressure difference between two pressure pipes or other components to send the control electric signal. Its main components are generally composed of two capsule chambers, one of which is sealed by two sealed diaphragms, and the other is sealed by a differential pressure diaphragm. When the relevant properties of the high-pressure part and the low-pressure part, such as gas or liquid, enter the two chambers respectively, the film or other sensing parts on the chamber will be deformed, and the differential pressure difference will be generated according to the deformation information. At this time, they will pass through important internal mechanical structures, such as handrail spring, and when the differential pressure reaches a certain amount, the microswitch on the top will be touched, so the differential pressure switch will An electrical signal was sent. According to this electric signal, the differential pressure switch will react by closing or reducing the switch.
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