KNF PJ25481-950.50.18, Original Installation Instructions

Page: 16 / 41

Technical Data Diaphragm pump PJ25481-950.50.18
8 Translation of original Installation Instructions, english, KNF 125530-316634 06/18
4. Technical Data
Pump materials
Assembly Material
Diaphragm PTFE coated
Valve plates FFPM
O-ring FPM (head 1-3)
FFPM (head 4)
Head plate PPS
Intermediate plate PPS
Tab. 2
Pneumatic values
Parameter Value
Max. permissible operating
pressure [bar g] -
Ultimate vacuum [mbar abs.]
with closed gas ballast 2.0
Delivery rate at atm. pressure
and 5V control voltage [l/min]* 55.0
Tab. 3 *Liters in standard state (1013 mbar)
Pneumatic Connections
Pump type Value
PJ25481-950.50.18 Hose ID 10
Tab. 4
Electrical data
Parameter Value
Automatic voltage selection 100-240 V
50 – 60 Hz
Max. current consumption [A] 1.9
Max. power consumption [W] 140
Maximum permitted mains
voltage fluctuations ± 10%
Protection class Motor IP 20
Protection class Pump IP 20
Tab. 5
The pump is supplied by a universal power supply with inte-
grated overload protection.
They are protected against overheating by a temperature sen-
sor on the motor board and equipped with overcurrent protec-
tion.
If one of these safety functions is triggered, the pump will be
shut down and must be manually reset, as follows:

Separate pump from mains.

Remove the cause(s) of the fault before restarting.