自動復位壓力開關 automatic reset pressure switch 用途: 主要用于家用、商用、汽車制冷系統的高、低壓力保護控制,也可適用于各種設備工具的高、低壓力保護控制。 usage these switches are mainly used in high/low pressure protection control for the refrigerating system of household,commercial and auto as well as for various kinds of equuipments and tools. 特點: 采用英制管螺紋快速接頭或銅管焊接式安裝結構,安裝靈活,使用方便,無需特殊的安裝固定。 插片式導線式連接方可供用戶任意選定。 單極單置或單極雙置,常開式或常閉式開關接點結構可供任意選擇。 密封式不銹鋼感應器安全可靠。 在3~650psi(0.02~4.5mpa)壓力范圍內可根據用戶任意選定的壓力值進行制造。 characteristics: adopting bsp screw quick connector of brass pipe-welded structure,they are flexible to be mounted and easy to be used without special installation and fixation. the in-sert-style and wire-connected styles are avaailable for choice. single-pole-single-throw or single-pole-double-throw,normal-open or normal-close contacts of switch are available for choice. airtight stainless steel sensor is safe and reliable. any pressure within the range of 3-650psi(0.02-4.5mpa)can be se-lected to customize according to customer’s choice. 工作原理: 當系統內壓力高于或低于額定的安全壓力時,感應器內碟片瞬時發(fā)生移動,通過連接導桿推動開關接頭接通或斷開,當壓力降至或升額定的恢復值時,碟片瞬復位,開關自動復位。 working principle: when the pressure inside the system is over or below the related safe pressure the disc in the sensor will start to move ionstantly,and this works together wit the connecting rod and pustes the switch connector to open or close.when pressure reduces or rises to the rated point,the disc will be reset and the switch will be reset automatically.