Butterfly valve operation
For the actuation of the butterfly valves, you can choose from a manual operation via handwheel, lever or gearbox or an automatic operation with a pneumatic, electric or hydraulic actuator.
Handwheel or lever
- For fast, manuel operation
- Lift and turn operation with spring-operated locking
- Lever parallel to valve disc
- For butterfly valves upt to DN 250
- Optional: locking plate in stainless steel, with lock holes or with 10 positions
Worm gear
- For smooth, manuel operation
- Available in left or right handed versions
- Self-breaking worm gearbox with handwheel
- Adjustable limit stop and position indicator
Pneumatic (available in different types)
- Single acting (spring to open or close)
- Double acting
- Mechanical position indicator included
- Optional among others: solenoid valve, position indicator (inductive), positioner, long stroke limiter
Electrical
- Electric AC or DC motor, self-breaking
- Various options available for local and remote control and signaling
- Bernard Controls: AQ series
- Auma: SQ, SA, Auma Matic and Aumatic
- Others brands on request