32
20901544_E12C+16C_NT Vsel_V1.2_260922
Installation and connection
Connect the vacuum hose
1
2
(b)
(a)
1.
Take a vacuum hose
(a)
with a small flange connection
KF DN 25.
2.
Attach the vacuum hose to pump inlet
(b)
with a centering
ring and clamping ring.
Observe the following points for optimum results:
>
Keep the vacuum line as short as you can with as large a
cross‑section as possible.
>
Alternatively, you can connect a vacuum hose via an
adapter to the hose nozzle DN 15 mm
see accessories in
8 .2 Ordering information on page 83
8 .2 Ordering information on page 83
Example
Vacuum connection
at the inlet
