Johnson Electric Launches Valve Actuators for Engine Management - Actuators Classified by Temperature and Vibration

Hong Kong, 21 Sept, 2012 -- Johnson Electric today announced a valve actuator product line for engine coolant circuits and cabin refrigerant circuits. Marketed under the Saia-Burgess brand, the actuator product line is designed to improve fuel efficiency, reduce emissions, and increase driving range for electric and hybrid cars. These new valve actuators provide a wide range of speed and torque performance for custom designs used in all power-train types. The product line is organized into three classes of actuators based on temperature, vibration and mounting requirements.

  • Class 1 actuators are for chassis mounted valves with operating temperatures up to 105°C.
  • Class 2 actuators are for transmission mounted valves with operating temperatures up to 125°C.
  • Class 3 actuators are for engine mounted valves with operating temperatures up to 140°C.

“Replacement of thermostats and adding precision valves improves engine thermal management for better fuel economy and reduced emissions,” said Jim Dick, Johnson Electric senior vice president of Strategic Marketing.

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