SRFA series is electric-return rotary actuator for ball valves. It has been designed for use in HVAC system. The running time is about 75s.

Available for ball valve size : 2 1/2″ – 3″
Nominal Torque : 20 Nm
Nominal Voltage : 24VAC/VDC, 230VAC/50Hz
Control Signal : Open-Close, Proportional (0-10VDC)

Belimo Rotary Actuator, SRFA Series, 20Nm

Model: SRFAPower Supply: 24VAC/VDC, 230VACNominal Torque: 20NmControl Signal: On/Off or Proportional with Spring ReturnManual Operation: YesAngle of Operation: 90 degreeRunning Time: 75S / 90 DegreeApplication: Opening/Closing Valve