Bardiani Valvole BBZO Instruction, Use And Maintenance Manual page 20

9 General maintenance
2. CLEANING AWAY DEPOSITS:
- Thoroughly wash and clean all the valve parts before disassembly;
- Pay attention to any possible detergent or other aggressive fluid
deposits (see "Cleaning");
- Always use protective safety glasses and gloves when required.
WARNING!
Hand crushing hazard. During operation there is a risk of crushing
inside the valve body in the area between the actuator and the valve
body.
3. REPLACEMENT OF WORN VALVE PARTS:
Always use original spare parts
20 EN-IST-BBZO-0420