Series 90 with 3-point (open/close) signal is suitable for mixing operations with valves such as 3F.
In these applications, can any position of the actuator operating range be used to get the desired mix level. The actuator is designed for operating 3F rotary valves from DN 15-150 and has adjustable cam discs to obtain an operating range of 30°-180°.
The series can easily be manually operated by a disconnection button and lever.