78
DIV
AL 600
EN
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR
|
COMMISSIONING
|
REV. A
8.7 - COMMISSIONING PROCEDURE OF DIVAL 600 REGULATOR WITH LA SLAM-SHUT
VALVE
8.7.1 - INTERNAL TIGHTNESS CHECK OF LA SLAM-SHUT VALVE
6
4
Fig. 8.19. Commissioning of the DIVAL 600 regulator with LA slam-shut valve
Step
Action
1
Check that the slam-shut valve is in the shut-off position.
2
Open the bleed cock (6) to fully discharge the downstream section.
3
Slowly open the upstream shut-off valve (V1).
4
Check the internal tightness of the slam-shut valve by means of the bleed cock (6).
NOTICE!
•
Check the seal with a foaming substance;
•
In case of leaks, please refer to the chapter “10 - Ricerca guasti e troubleshooting”
the causes of malfunctions.
Tab. 8.46
Summary of Contents for Dival 600
Page 156: ...TM0023ENG...
