Bardiani Valvole BBZO Instruction, Use And Maintenance Manual page 13

5 Installation
4. VALVE CONNECTIONS/CONNECTORS:
If the valve is fitted with connectors, you may proceed with installation.
Correctly insert the gaskets and tighten the connectors.
5. WELDING THE VALVE BODY ONTO PIPING:
Remove the body from the rest of the valve before proceeding with
welding operations. Please refer to the following pages in this manual.
WARNING!
Hand crushing hazard. During operation there is a crushing hazard
caused by the washing pin or the guide pin (when present).
Weld it care/ try to make a stressless welding to avoid deformatin
on sealing areas. Check the valve for regular operation after
welding
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EN-IST-BBZO-0420