Belimo SY Actuator for Butterfly Valves

Belimo’s SY Series actuators were designed to work with their butterfly valves and other quarter turn valve applications.  The patentesy actuatord gear drive mechanism provides for efficient, smooth operation while allowing easy manual override at any time. All units have NEMA 4X ratings, and to make life a little easier, wiring diagrams are affixed to the outside of the housing on the permanently attached product label. Other features include:

  • Easily visible position indicators
  • International standard ISO5211 mounting systems
  • Internal thermal motor overload protection
  • Dual auxiliary Form C switches
  • Easily accessible wiring termination points

These actuators are great for new and retrofit HVAC and Industrial valve applications.  Belimo has excellent retrofit solutions for almost any existing valve type.  If you are in GA or FL contact Stromquist at 800-241-9471 for assistance with any of your Belimo needs. If you are outside of GA or FL, visit to find your area representative.

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