PROPORTIONALVALVES-BASICPRINCIPLESBASICSYSTEMBASICSYSTEMBASICSYSTEMBASICSYSTEMBASICSYSTEM因此电磁阀的动作非常象一个电路中的开关在此位置灯是关闭状态....在另外一个位置是开启状态，而没有中间状态。andintheotherpositionitisswitchedonbuttherearenointermediatestates.在这个例子中，这个开关能够被转到全开和全关的任一位置，来调整灯泡的亮度Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.在这个例子中，这个开关能够被转到全开和全关的任一位置，来调整灯泡的亮度。Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.Inthiscase,theswitchcanbeturnedtoanypositionbetweenfullyoffandfullyontovarythebrightnessofthebulb.BASICSYSTEMBASICSYSTEMSWITCHINGSOLENOIDVALVESWITCHINGSOLENOIDVALVESWITCHINGSOLENOIDVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALVALVEPROPORTIONALSOLENOIDPROPORTIONALSOLENOIDPROPORTIONALSOLENOIDPROPORTIONALSOLENOIDPROPORTIONALSOLENOIDPROPORTIONALSOLENOIDPROPORTIONALSOLENOID开关电磁阀阀芯SSSS直动式比例溢流阀DIRECTACTINGPROPORTIONALRELIEFVALVE两-级比例溢流阀TWO-STAGEPROPORTIONALRELIEFVALVEBENEFITSOFPROPORTIONALSYSTEMS远程控制–传统系统远程控制–比例系统PLC远程控制–比例系统比例压力控制0.0150.0401.0002.0003.000顶升举例-传统系统LIFTEXAMPLE-CONVENTIONALSYSTEM顶升举例-传统系统LIFTEXAMPLE-CONVENTIONALSYSTEM顶升举例-传统系统LIFTEXAMPLE-CONVENTIONALSYSTEM顶升举例-比例系统PROPORTIONALSYSTEM顶升举例-比例系统LIFTEXAMPLE-PROPORTIONALSYSTEM顶升举例-比例系统LIFTEXAMPLE-PROPORTIONALSYSTEMtimetimetimetimetimetimetimetimetimeFORCECONTROLELECTRONICCONTROL阀输入信号VALVEINPUTSIGNAL阀输入信号VALVEINPUTSIGNAL24VDC24VDC24VDC24VDC24VDC24VDC24VDC24VDC