KNF N920 AP.18, Operating Instructions Manual

Page: 9 / 32

Diaphragm Vacuum Pumps N 920__.18 and N 920 KT.29.18G Technical Data
Translation of original Operating Instructions, English, KNF 121416-121419 07/18 9
N 920 KT.29.18G
Pneumatic performance
Max. permissible operating
pressure [bar g] 0.5
Ultimate vacuum [mbar abs.] 2.0
≤ 5 with open gas ballast
Delivery rate at atm. pressure
[l/min]* max. 21
Pneumatic connections
Hose connection [mm] ID 10
Ambient and media temperature
Permissible ambient
temperature + 10 °C to + 40 °C
Permissible media
temperature + 5 °C to + 40 °C
Other parameters
Weight [kg] 8.5
Dimensions : L x H x W [mm] 324 x 226 x 158
Maximum permissible ambient
relative humidity 80 % for temperatures up to
31 °C, decreasing linearly to
50 % at 40 °C
Max. altitude of site [m above
sea level] 2000
Electrical Data
Automatic mains power ad-
justment 100-240 V
50/60 Hz
Max. operating current [A] 1.4
Power consumption pump [W] 135
Maximum permitted mains
voltage fluctuations +/- 10 %
Protection class motor IP20
Tab. 5 * Liters in standard state (1,013 mbar)