There are five models. RTAM-24, RTAOM-24, RTAM-230 and RTAOM-230 are intended for 2-point (On/off) control. RTAM-24A is intended for proportional
control with 0...10 V control signal.
The actuator uses a PTC resistor-heated elastic element and a compression spring. When the operating voltage is switched on, the wax element is heated and moves the integrated ram. The force generated by the movement is transferred to the valve lifter and opens and closes the valve.
Inquiry - RTA Thermal actuator
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