The working principle of the pressure switch is✘≠> that if the pressure inside the syste✘σm is higher or lower than the initial s>↔​et safety pressure value, the disΩ c of the sensor inside ∞©<φthe pressure switch can be sensed in time a α‍₹nd an alarm is issued, whic←®♦h also occurs. The movement, throuε≠gh the interconnection with the guide rod, <£causes the connection of the pressure s₩₹ §witch to be powered on or disconnected from the ₩∞₹power source. It shoul∑"↕™d be noted here that when selec←±₹ting the pressure switch∞‍♥, Xiaobian suggests thaα€t you understand whether the pressure ofβ£" the pressure is pulsating or no♦∞€t, and you do not neπ >¶ed to use the throttle valve, which will lose t'£₹≈he instrument!