Burkert 2657, Руководство по эксплуатации, Страница: 21 / 75

21
Installation
removing the plastic Ball Valve 7.5.
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
The locking device can also be completely removed from the ball valve
housing (
Fig. 2: /16).
Loosen the two union nuts (
→
Fig. 2: /13) and remove the ball valve
from the line.
Before removing the valve, hold it vertically and open it by 45° to
→
remove any remaining liquid.
english
Type 2657