ST 5112


Electric actuator for modulating control and on/off valves                      
 operating by 3-term-step controllers or analogue signals 
0/4..20 mA, 0..10 V DC or field bus
 separate force switch and limit switch for both directions
 protection rating IP 65
 valve position indicator
 manual handwheel
 optional accessories available
 self locking and stall-proof stop-motor