Description

The SAX Non-spring Return (NSR), Electronic Valve Actuator requires a 24 Vac supply and receives a 0 to 10 Vdc or a 4 to 20 mA control signal to proportionally control a valve. This actuator is designed to work with Flow rite 599 Series 2-way and 3-way valves or Siemens flanged, Pressure Independent Control Valves with a 3/4-inch (20 mm) stroke. Description: For use in connection with Siemens 2-port or 3-port valves with 20 mm stroke, as control or shutoff valves for HVAC plants. For use in connection with Siemens butterfly or slipper valves, as control or shutoff valves for HVAC plants. When replacing actuators consider positioning force, torque and positioning times. Adjust in the controller the parameter “Running time” respectively “Positioning time”, to ensure stable control. The replacement of accessory items needs to be taken into consideration also. In that case, compatibility is not necessarily ensured.