This control valve positioner package is engineered for large valves. It facilitates exact positioning with fast response times over the entire operating range.
The package comprises positioner and special hookup of several volume boosters with different air output capacities. Closing and opening times of less than 2 sec can be achieved over the entire operating range, declares the manufacturer.
This control valve positioner package, on which you may request free information, has been successfully employed for compressor bypass valves (anti-surge) as well as in petrochemical applications involving adsorption processes in moving-bed adsorbers.
Samson Controls (London) Ltd.
Redhill, Surrey RH1 5JQ United Kingdom