110
REV
AL 182
EN
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR
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COMMISSIONING
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REV. 00
8.10 - COMMISSIONING PROCEDURE FOR THE REVAL 182 REGULATOR WITH BUILT-IN
SLAM-SHUT VALVE SB/82
8.10.1 - CHECKING THE SB/82 SLAM-SHUT VALVE TIGHTNESS DURING SHUT-OFF
Fig. 8.38.
Sealing of the SB/82 slam-shut valve during shut-off
Step
Action
1
Check that the slam-shut valve is in the shut-off position.
2
Open the drain cock (6) and drain the downstream section completely.
3
Slowly open upstream valve V1.
4
Check the tightness of the slam-shut valve through the pilot circuit supply connection located under the regu-
lator head, disconnecting the connection from the regulator.
NOTICE!
•
Check the seal with a foaming substance;
•
If the connection is leaking, refer to chapter 10 “Fault search and troubleshooting” to re
-
move the causes of the malfunction.
5
Reconnect the power connection of the drive circuit.
NOTICE!
Check whether to replace the fitting by referring to the fitting manufacturer’s instructions.
Tab. 8.79.
Summary of Contents for REVAL 182
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