Regulation valve with variable Kv
The ERFI automatic control valves allow you to adjust the flow factor with an complementary adjustement dissociated from the regulating control . It is possible to vary this adjustment according to the process without modifying the opening stroke of the valve .
The valves can be equipped with an electric or pneumatic servo-motor with an option of manual breakdown service.
These valves allow you to regulate air flows or to control air/gas mixture .
Sizes (naked valve without servomotor)