Electric valve actuator SQ / SQR series

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Actuators of the SQ type range for open-close duty and positioning duty are rated for class A and B or types of duty S2 - 15 min. The modulating actuators of the SQR range are rated for class C or types of duty S4 - 25 %. Actuators of type range SQ/SQR can be combined with various controls from simple OPEN-CLOSE control to the micro-controlled version with logging of operating data or fieldbus interface. Design features SQ Handwheel for manual operation Mechanical Position indicator Design features SQR Modulating torque from 75 Nm to 1,200 Nm Max. number of starts 1,500 c/h Swing angles from 75° to 105° Operating time ranges for 90° from 8 s to 100 s Limit and torque seating 3-ph AC and 1-ph AC motors Handwheel for manual operation Ambient conditions High enclosure protection High quality corrosion protection Wide ambient temperature ranges Options Intermediate position switches Switches in tandem version Remote position transmitter Magnetic limit and torque Transmitter Functional safety: Up to SIL 2 in selected configurations