Gas inlet temperatures, Abbreviations, Pump parts – VACUUBRAND MD 1 VARIO-SP User Manual
Page 26: Pump parts gas inlet temperatures
Abbreviations
FPM: Fluoroelastomer
GND: Ground
PE: Polyethylene
PTFE: Polytetrafluoroethylene
PWM: Pulse width modulation
Position
Component
1
Power connection
2
ON/OFF switch
3
Voltage selection switch
4
Fuse holder
5
Pump rating plate
6
Inlet
7
Outlet
8
Fan
9
Handle (removable) / recessed grip
10
Control line
Pump parts
Gas inlet temperatures
* if pumping potentially explosive atmospheres: 50 °F to 104 °F (+10°C to +40°C)
Operating condition
Inlet pressure
Permitted range of gas
temperatures at inlet
Continuous operation
> 75 Torr (100 mbar)
(high gas load)
➨
50 °F to 104 °F
(+10°C to +40°C)
Continuous operation
< 75 Torr (100 mbar)
(low gas load)
➨
32 °F to 140 °F*
(0°C to +60°C*)
Short-time
(< 5 minutes)
< 75 Torr (100 mbar)
(low gas load)
➨
14 °F to 176 °F*
(-10°C to +80°C*)