Mounting instructions VacuStar W900 / W1300 / W1600
Installation and assembly
26
6.8.4 Non-return valve
The non-return valve prevents a backflow of air into the
VacuStar W while the VacuStar W is standing still.
Assembly
Install the non-return valve horizontally between two flanges on the
pressure stub of the VacuStar W. Observe the flow direction.
Fig. 4: Non-return valve
6.8.5 Vacuum suction filter
A suitable filtering device is required to prevent suctioning in liquids
and solids.
Assembly
Install the vacuum filter into the suction line upstream from the
VacuStar W. Observe the flow direction.
ATEX note
For explosion-proof VacuStar W, use only filters
that are resistant to the explosion pressure shock.
Such filters can be purchased from CVS.
