阀的控制器控制当前位置e or damper. Low cost, weatherproof, and are used in industries like food, pulp and paper, chemical and pharmaceutical. The different type is Electro-Pneumatic.
- Electro-Penumatic controller controls the current position of a valve or damper with a pressure control output. Compact and low cost installation. Applications vary greatly. This controller has a traditional pneumatic process that quickly converts to a state-of-the-art electronic operation.