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Diaphragm Pump N 035 E
Technical Data
KNF N 035 E e 08/09 Translation of the original Operating and installation instructions
8
Electrical data
Parameter
Value one-
headed pumps
Value two-
headed pumps
Voltage / Frequency of
AC motor
230 V / 50 Hz
230 V / 50 Hz
Voltage / Frequency of
3 phase motor
230/400 V
50 Hz
230/400 V
50 Hz
Power IP20 version
220 W
300 W
Power IP44 version capacitor
motor
230 W
320 W
Power IP 44 version 3 phase
motor
250 W
280 W
Operating current
IP20 version
1 A
1.55 A
Operating current
IP44 version
1.7 A
1.90 A
Operating current IP44 ver-
sion threephase motor
1.7 A/1.0 A
2.1 A / 1.05 A
Protection class*
IP20 / IP44
IP 20 / IP 44
Tab. 5
* see type plate
The pumps are fitted as standard with a thermal-switch to protect
against overloading.
Other parameters
Parameter
Values
Permissible
ambient temperature
+ 5 °C to + 40 °C
Permissible media temperature
+ 5 °C to + 40 °C
Gas-tightness of pump head
(leak rate)* for all pumps except
.9 versions (not tested)
ca. 6 x 10
-3
mbar l/s
Gas-tightness of pump head
(leak rate)* for N 035_ _.9 E
< 6 x 10
-3
mbar l/s
Tab. 6
*
After opening pump head or replacing the diaphragm and reed valves (or
valve plate) the gas tightness is no longer guaranteed. A leak test is able
to verify that the original standard of gas-tightness has been achieved.