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名称:71L/71H 高通或低通气动选定继动器型号
品牌:ControlAir 71L/71H 高通或低通气动选定继动器 超级 Mite 71L/71H 高通或低通气动选定继动器 高通或低通气动选定继动器 :型号超级Mite71系列继动器能自动选定两路气压输入中的高压或低压信号,让选定的一路信号通过,另一路关闭。信号选定瞬间完成,压差辨别率低至0.1psig。虽然是高通或低通下令,它能轻易从一个范围转变到另一个。当信号压力超过设定值下降或上升时,可依靠超级Mite 71可开启或关闭阀门,康气通它们也可以用于防止阀门超过临界点的打开或关闭
Mite Series 70/71/73 74/85Snap-acting, Pneumatic Relays Compact, rugged and precise "decision-making" switchesThe Mite Series of pneumatic relays offer precise control of air or gas service. Their snap-acting design automatically trips on either an increasing or decreasing signal.Mites are rugged, compact units engineered for high density applications. They are constructed to last and "make decisions" with crisp precision, cycle after cycle.Mite 70 Snap-acting control relay with manual reset Will either lock-up or vent control pressure to a valve when tripped Super Mite 71L/71H High pass or low pass pneumatic selecting relay Automatically selects the higher or lower of two input signals Mite 73 Snap-acting air signal monitor Accepts up to four inputs and can be reset automatically Mite 74 Snap-acting control relay with integral 3-way or 2-way valve Combines a Mite 70 with a precision 3-way or 2-way valve Mite 85 Snap-acting 3-way valve with two trip points Automatically activates back up controller if primary failsThe Mite series of pneumatic relays are engineered to switch, lock or vent various ports based on either an increasing or decreasing pneumatic signal. Their passive design, as well as precise, unerring and immediate decision making abilities make them the ideal solution to critical safety and emergency process controls found in the petroleum, chemical,gas-field or pharmaceutical industries. Their rugged,simple construction provides uncompromising reliability and long term performance with either air or gas service. Close an on-off valve in a gas line when line pressure drops below a set point. Supply pressure at "A" is transmitted to valve from "C" when Mite is operating. When gas line pressure –monitored at "E"–drops below set point, trip occurs, and valve operator is vented to atmosphere.

 

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