- Temperature Range–40…176° F
- DisplayMultilingual Graphical LCD with full-text display LEDs
- Range0.3…10.2 in with standard lever
The top-mounted SRD991 digital positioner is integral with the Type 766 actuator, spring opposed diaphragm actuator designed specifically to fit the Research Control Valve body-bonnet assembly. The unique positioner is compatible for both the 1/4 in. and 1/2 in. actuator.