- Plastic bonnet and plastic hand wheel
- Non rising hand wheel with optical indicator
- Flexible diaphragm suspension
- Encapsulated diaphragm
- CDSA sealing concept
- Locking device
The system can be engaged by simply lifting the handwheel
once the required position has been reached.
To release the operating mechanism, simply return the handwheel to its previous position by pushing it downwards.
When the system is in the locked position, u-lock can be installed to protect the plant against unwanted interference.