219
REV
AL 182
Use, maintenance and warning instructions
MEDIUM PRESSURE REGULATOR
|
MAINTENANCE AND FUNCTIONAL CHECKS
|
REV. 00
EN
Step Action
18
APPLICABLE TO DN 10” ONLY
Remove the O-ring (92, 94) from the lower flange (82) and replace it, taking care to lubricate it with synthetic
grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
19
WARNING!
Support the flange or any accessory to prevent it from falling
20
Undo and remove the screws (64).
21
Remove the blind flange (4) or any built-in accessory (monitor PM/182 or built-in slam-shut valve SA, SB/82,
HB/97).
22
Remove the O-ring (37) from the blind flange (4) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
23
WARNING!
Support the sleeve (79) during the next steps to prevent it from falling.
24
Undo and remove the screws (30), the locking ring (8) and the conical seat (63).
NOTICE!
As an alternative to the conical seat (63), a reinforced gasket may be installed, based on the
built-in accessory.
25
Remove the sleeve (79) from the top downwards.
26
Remove and replace the O-rings (91, 97) from the sleeve (79) by lubricating it with synthetic grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
27
Remove the O-ring (93) from the valve seat (63) and replace it, taking care to lubricate it with synthetic grease.
NOTICE!
Before inserting the replacement O-ring, clean the retaining slots with a cleaning solution.
28
Clean the upper and lower bearing surfaces of the body (1) and the flanges (72, 82), the contact surfaces be-
tween the sleeve (79), conical seat (63) and the body.
29
Put the sleeve (79) back in place into the body from the bottom upwards.
30
Put the conical seat (63) back in place together with the O-ring (93) and the locking ring (8).
NOTICE!
As an alternative to the conical seat (63), a reinforced gasket may be installed, based on the
built-in accessory.
Содержание REVAL 182
Страница 2: ...2 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...
Страница 4: ...4 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...
Страница 12: ...12 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR INTRODUCTION REV 00 ...
Страница 22: ...22 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR GENERAL INFORMATION REV 00 ...
Страница 32: ...32 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR SAFETY REV 00 ...
Страница 107: ...107 REVAL 182 Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR COMMISSIONING REV 00 EN ...
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Страница 398: ...398 REVAL 182 EN Use maintenance and warning instructions MEDIUM PRESSURE REGULATOR RECOMMENDED SPARE PARTS REV 00 ...
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