Bardiani Valvole BBZS5, Инструкция по эксплуатации и обслуживанию

Страница: 11 / 54

5 Installation
EN-IST-BBZS5-0420
5 Installation
1. ELECTRICAL AND PNEUMATIC ENERGY SUPPLY
- Use expert personnel for installation/uninstallation operations;
- Check that the air pressure and quality are correct (see
"Technical Data");
A = Upward movement of the valve member
2. REDUCING THE STRESS TO WHICH THE VALVE IS SUBJECTED:
- Vibrations;
-
Thermal expansion of the piping;
-
Excessive welding;
-
Overload.
CAUTION!
The seal seats may become deformed or cause valve malfunctioning.
3. CORRECT DIRECTION OF FLOW:
Flow in the opposite direction to valve closure minimizes water
hammer.
CAUTION!
Bardiani Valvole S.p.A. declines all liability for any damage to things
and/or injuries to persons caused by any failure to correctly follow the
installation procedures.
11
A