Removing The Plastic Ball Valve From The Pipeline - Burkert 2657 Instructions De Service

7.5. removing the plastic Ball Valve
from the pipeline
WARNING!
danger when using aggressive media!
Leaking medium may cause injuries.
• Ensure that the pipes have been connected correctly.
• Regularly check that the plastic ball valve is not leaking.
• Wear protective clothing.
procedure:
→
Turn off the pressure at a suitable location and vent the lines.
→
Unlock the union nuts by pressing on the Dual Block locking device
(Fig. 2: /16) according to Fig. 11:.
Fig. 11: Unlocking union nuts
Type 2657
Installation
The locking device can also be completely removed from the ball valve
housing (Fig. 2: /16).
→
Loosen the two union nuts (
from the line.
→
Before removing the valve, hold it vertically and open it by 45° to
remove any remaining liquid.
english
Fig. 2: /13) and remove the ball valve
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