The Actuator Gruner 227-230-05-R5

Actuators for air dampers Gruner are used in conjunction with controllers ТРМ33, ТРМ133, ТРМ133М in control systems of General ventilation and air conditioning HVAC. When working with water heat exchanger it is recommended to use spring return actuators, which contributes to the protection from freezing of heat-exchange equipment and failure of the system. When a power failure actuator returns to its original Closed position due to the energy of internal springs.