Technical Data - KNF N 922 EX Betriebsanleitung

Diaphragm Pumps N 922 EX
Translation of Original Operating- and Installation Instructions, english, KNF N 922 EX 08/18
4.

Technical data

Pump materials
Assembly
Pump head
Diaphragm
Valve plate/sealing
O-ring (only .29-versions)
Tab. 8
Pneumatic values
Parameter
Max. permissible operating
pressure [bar g]
Ultimate vacuum
[mbar abs.]
Delivery rate at atm.
pressure [l/min]*
-open bypass
-closed bypass
Delivery rate at max.
permissible operating
pressure [l/min]*
Tab. 9
Other parameters
Parameter
Permissible
ambient temperature
Permissible media temperature
Electrical data
Gas tightness of pump head*
Start up against:
-Vacuum
-Pressure
Tab. 10
* After opening the pump head or replacing the diaphragm and valve plates
the gas tightness is no longer guaranteed. A leak test is able to verify that
the original standard of gas-tightness has been achieved.
Material
modified PTFE
PTFE-coated
FFPM
FFPM
Value
N 922 EX 16L
2.0
≤ 200
50Hz 60Hz
10 ± 10% 12 ± 10%
16 ± 10% 18 ± 10%
6.5 ± 10% 8 ± 10%
*Liters in standard state (1013 mbar)
Value
+ 5 °C to + 50 °C
+ 5 °C to + 50 °C
See drive-motor type plate
< 6 x 10 -3 mbar l/s
0.5 bar g
800 mbar absolute
Technical data
Value
N 922 EX 8L
1.5
≤ 350
50Hz 60Hz
3 ± 15% 4 ± 15%
7.5 ± 10% 9 ± 10%
0 0
12