Technical Data; General Technical Data Valid For All Pumps/Pumping Units; Gas Inlet Temperatures - vacuubrand ME 4C NT VARIO Instructions For Use Manual

Technical data

General technical data valid for all pumps/pumping units

Maximum permissible inlet pressure
(absolute)
Maximum permissible outlet pressure
(absolute)
Maximum pressure difference between
inlet and outlet
Maximum permissible pressure (abso-
lute) at gas ballast valve
Permissible ambient temperature
storage / operation
Permissible relative atmospheric mois-
ture during operation (no condensation)
Rated motor power
No-load speed 50/60 Hz
Maximum permissible range of supply
voltage ( ±10% )
Attention: Observe specifications of rat-
ing plate!
Motor protection
Coolant connection
(waste vapor condenser)
Maximum permissible pressure of
coolant at waste vapor condenser
Permissible range of coolant temperature
(waste vapor condenser)

Gas inlet temperatures

Operating condition
Continuous operation
Continuous operation
Short-time
(< 5 minutes)
* if pumping potentially explosive atmospheres: 50 °F to 104 °F (+10°C to +40°C)
page 26 of 129
Inlet pressure
> 75 Torr (100 mbar)
(high gas load)
< 75 Torr (100 mbar)
(low gas load)
< 75 Torr (100 mbar)
(low gas load)
psi
(bar)
psi
(bar)
psi
(bar)
psi
(bar)
°F 14 to 140 / 50 to 104
(°C) (-10 to +60 / +10 to +40)
% 30 to 85
hp
(kW) (0.575)
rpm 30 - 2400
100-120 V~ 50/60 Hz,
200-230 V~ 50/60 Hz
thermal cutout, manual reset
hose nozzle for tubing
I.D. 1/4" - 5/16"
(hose nozzle DN 6-8 mm)
psi 87 (absolute)
(bar) (6 (absolute))
°F 5 to 68
(°C) (-15 to +20)
Permitted range of gas
temperatures at inlet
➨ 50 °F to 104 °F
(+10°C to +40°C)
➨ 32 °F to 140 °F*
(0°C to +60°C*)
➨ 14 °F to 176 °F*
(-10°C to +80°C*)
16
(1.1)
16
(1.1)
16
(1.1)
17.5
(1.2)
0.77