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Technical Information
Technical Specification
Technical Specification
Tab. 2
Pumping speed
(without inlet screen)
N
:
2
He:
H
:
2
Compression ratio
N
:
2
He:
H
:
2
Base pressure with recommended
forepump
Inlet flange
Foreline flange
Nominal rotational speed
Start-up time without gas load and
with the recommended forepump
Minimum recommended forepump
Operating position
Operating ambient temperature
Bakeout temperature
Max rotor temperature
Altitude
Lubricant
Cooling requirements
Coolant water
242/262
Technical Specification
2050 l/s
1800 l/s
1500 l/s
> 8 10
8
8 x 10
5
4 x 10
4
10
mbar (7.5 x 10
-10
(According to standard DIN 28 428, the base pressure is that
measured in a leak-free test dome, 48 hours after the completion of
test dome bake-out, with a Turbopump fitted with a CFF flange and
using the recommended pre-vacuum pump)
ISO 250 F
CFF 12" O.D.
KF 40 NW
33300 rpm
< 6 minutes
TriScroll 600
Vertical and upside-down
+5 °C to +35 °C
80 °C max. at inlet flange (ISO flange)
120 °C max. at inlet flange (CF flange)
120 °C
2000 m
permanent lubrication
Water
Recommended flow: ≥ 200 l/h
Temperature: +15 °C to +30 °C
Pressure: 3 to 5 bar (45 to 75 psi)
Turbo-V 2300 TwisTorr Pumps User Manual / 87-901-017-01 (C)
Torr)
-11
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