Diaphragm liquid pump NF 25, NFB 25
Operation
KNF Flodos AG BA_NF25_NFB25_EN_07_159615
Translated from the Original Operating and Installation Instructions
15
7. Operation
Operate the pumps only under the operating parameters and
conditions described in Chapter 4, Technical data.
Make sure that the pumps are being used properly (see Chap-
ter 2.1).
Avoid improper use of the pumps (see Chapter 2.2).
Observe the safety precautions (see Chapter 3).
The pumps are components that are intended to be incorpo-
rated into another machine. Before putting them into service it
must be established that the machinery or systems in which
they are installed meet the relevant regulations.
CAUTION
Risk of burning
The drive heats up.
Avoid contact with the pump drive.
Avoid contact with flammable materials.
Excessive pressure and the inherent dangers thereof can be
prevented by placing a bypass line with a pressure relief valve
between the pressure and suction side of the pump. Please
contact your local KNF partner for further information
(www.knf.com).
If the pump stops running, restore the system to normal at-
mospheric pressure.
For pumps with thermal switch or electronic overload protection:
WARNING
Risk of physical injury and damage to the pump
due to automatic start
If the pump overheats and pump operation is
stopped by the thermal switch / electronics, the
pumps will restart automatically as soon as they have
had time to cool down.
Take steps to ensure that this cannot produce a
hazardous situation.
CAUTION
Risk of burns when transferring hot media
Do not touch the pump or the media transfer
system.
Avoid contact with flammable materials.
Pump standstill
