Technical Data
Vacuum Pump System SC 920G
8
Translation of original Operating Instructions, English, KNF 121308-121311 07/18
4. Technical Data
4.1. Vacuum pump system
Materials for parts contacting the medium
Pump head
PPS
Diaphragms
PTFE-coated
Valves
FFPM
Sealings
FPM
Hose connectors
PVDF
Tubing
Norprene
®
Pressure sensor
Ceramics
Venting valve
FFPM
Valve block
PP
Gas ballast valve
PVDF
Pneumatic performance
Max. permissible operating
pressure [bar g]
0
Ultimate vacuum [mbar abs.]
≤ 2
≤ 5 with open gas ballast
Delivery rate at atm. pressure
[l/min]*
0-21 (controllable)
Max. permissible pressure at
inert gas connection [bar g]
0.1
Ambient and media temperature
Permissible
ambient temperature
+ 10 °C to + 40 °C
Permissible media temperature + 10 °C to + 40 °C
Other parameters
Vacuum connection and gas
outlet
For tube ID 10 mm
Ventilation connection
For tube ID 6 mm
Weight of vacuum pump
system, including hand
terminal [kg]
15.2
Dimensions:
width x height x length [mm]
366 x 423 x 294
Maximum permissible ambient
relative humidity
80 % for temperatures up to
31°C, decreasing linearly to
50 % at 40°C
Maximum altitude of site
[m above sea level]
2000
Tab. 2 (part 1)
*
Liters in standard state (1,013 mbar at 0 °C)
