9 REMOVAL / STORE / REUSE VALVE
Revision status: 03/05/2022 18 Index number: D0-116
8 REMOVAL
When removing the valve from the pipeline, all previously mentioned warnings and
instructions apply. Pay special attention to chapter 6 Installation and chapter 7
Commissioning, decommissioning, maintenance.
8.1 Prepare removal
Before removal, the following steps must be observed:
Pipelines must be emptied and cleaned if necessary.
Provide collection container if there is a residue of the medium in the pipeline.
Observe applicable warnings and instructions to ensure safe and successful work.
8.2 Removal instructions
The following aspects must be observed during removal:
Loosen nuts of all flange screws.
Completely remove all nuts and washers from the flange screws.
Pull the flange screws out of the flange holes.
For horizontal flow, the lower flange screws can remain inserted to facilitate removal.
Secure valve against falling down.
Remove the valve from the flange using the eyebolt. For large valves, use a hoist and
suitable sling.
Remove the remaining flange screws from the flange holes.
Place the valve on a suitable surface.
9 STORE / REUSE VALVE
After the removal, the valve can be stored or used in another system.
The following guidelines must be observed:
There must be no residues of the medium in the valve.
Make sure that the valve is in perfect condition before reusing it.
Valve must be designed for the given operating conditions when reused.
In case of storage, the information in chapter 5 Storage and transport must be taken
into account.
Environmental pollution due to residues
Ensure that the valve is free of residues of the medium
before disposal or storage.
All materials are to be disposed of properly in
accordance with applicable regulations.