Swing Piston Pumps NPK 25
Installation and connection
Translation of original Operating and Installation Instructions, english, KNF 121581-121584 08/16
11
6.3. Pneumatic connection
Only connect components to the pump which are designed for
the pneumatic data of the pump (see Chapter 4, Technical da-
ta).
If the pump is used as a vacuum pump, safely discharge the
pump exhaust.
Connecting pump
A marking on the pump head shows the direction of flow.
4.
Remove the protective plugs from the hose connection
threads.
5.
The accessory silencer/filter (where applicable) is screwed
into the port thread.
If the pump is used as a vacuum pump, mount the silencer at
the pressure side if necessary. If the pump is used a compres-
sor, mount the filter at the suction side if necessary.
6.
Connect the suction line and pressure line (threadsize G ¼``).
7.
Lay the suction and pressure line at a downward angle to
prevent condensate from running into the pump.
Connected
components
Pump exhaust
