MS51-7203 Spring Return DuraDrive Proportional Valve Actuator


MS51-7203Actuator 2-10 Vdc$545.18
MS51-7203-40Actuator 6-9 Vdc$499.95
MS51-7203-50Actuator 0-10 Vdc$499.95


TAC DuraDrive Linear Actuators are designed to mount directly onto two-way or three-way globe valves without the use of linkages. They provide linear travel to operate globe valves 1/2″ to 2″ VB-7000 valves, discontinued 1/2″ to 1 1/4″ VB-9000 valves, 2 1/2″ to 4″ VB-9000 valves, and 2 1/2″ to 5″ VB-8000 valves in chilled water, hot water and steam applications up to 366° F. Linear spring return actuators provide control of valves in HVAC systems.


  • Proportional
  • Spring Return operation to valve stem up position
  • 24 Vac
  • 105 with 1/2 in. nominal linear stroke
  • Manual override
  • Accessories are listed on the spec sheet

Download Product Spec Sheet

Additional information


Barber Colman


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