价格:未填
供应:99999
发货:3天内
YoucanusetheactuatorsfromBergerLahrtopositionflaps,valvesorslideswithgreatprecision.Insidethecompactservodrivehousingthereisamotor,agearboxandacontrolunit.Thereisachoiceofthreeactuatortypestosolveyourpositioningproblems:STM,STAandSTE.ActuatorsoftypeSTAareavailablewith3,4or5cams.Twocamsservetodefinethelimits,andtheothersareavailableforcontrollingexternaldevices.Thecamsarecontinuouslyadjustable.ActuatorsoftypeSTAarealsofittedwith1or2relays.Switchingactionsforcontrollingthemotorarecontrolledviatheserelays.STAactuatorsareusedtomoveairflapsinoilandgasburners.Variouswiringarrangementsareavailableforconnectingtostandardburners.ActuatorsoftypeSTAcanbesuppliedtorunclockwiseoranti-clockwise.