Edwards® Vacuum - Turbo pumps and accessories
EXT turbomolecular pumps
EXT75DX compound turbomolecular pump
EXT255DX compound turbomolecular pump
EXT255H compound turbomolecular pump
EXT406PX compound turbomolecular pump
EXT556H compound turbomolecular pump
Turbomolecular pump controllers
Edwards Vacuum: EXC controllers
Edwards Vacuum: TIC turbo controller
Edwards: TIC turbo & instrument controller
EXT accessories
Edwards EXT accessories
EXT pump to controller cable
EXT ACX air-cooler
EXT BX bakeout band
EXT PRX10 purge-restrictor
EXT TAV vent-valve
EXT Vent-port adaptor
EXT Vibration isolator
EXT VRX vent-restrictor
EXT turbo pump spares
EXPT combined outfits
Edwards EXPT 1 &2 pumping stations
STP magnetically levitated turbomolecular pumps and accessories
Edwards Vacuum - STP turbo pumps
STP-XA4503C turbomolecular pump
STP-iX455 turbomolecular pump
STP301/STP301C turbomolecular pump
STP-L301/STP-L301C turbomolecular pump
STP603/STP603C turbomolecular pump
STP1003/STP1003C turbomolecular pump
STPH301C high performance turbo pump
STPH451C high performance turbo pump
STPA803C "advantage" turbo pump
STPA1303C "advantage" turbo pump
STPA1603C turbomolecular pump
STPA2203C "advantage" turbo pump
STP-XA2703C turbo pump
STP-XA3203C turbo pump
Edwards turbo molecular pumps (turbo vacuum pumps) overview, information and definitions
A turbomolecular pump (TMP)
A compound molecular pump (CMP)
Turbo vacuum pumps - pumping speed
Turbo vacuum pumps - quiescent electrical power
Turbo vacuum pumps - compression ratio
Turbo vacuum pumps - ultimate pressure
Turbo vacuum pumps - bearing and suspension
Turbo vacuum pumps - rotor
Turbo vacuum pumps - motor
Turbo vacuum pumps - corrosive applications
Turbo vacuum pumps - purge port
Turbo vacuum pumps - venting
Turbo vacuum pumps - inlet screen
Turbo vacuum pumps - cooling
Turbo vacuum pumps - scope of supply | Absolute Vacuum present the Edwards® range of EXT turbomolecular and compound molecular pumps and EXC Controllers, for high and ultra high vacuum.
Edwards® EXT255DX compound turbomolecular pump
Edwards® EXT255DX compound turbomolecular pump - Specification- Compatible with TIC Turbo and Instrument Controller
- Vent valve control settings
- Programmable power settings
- Enhanced monitoring capability including pump speed, power and temperature
Edwards® EXT255DX compound turbomolecular pump - Technical data Inlet flange: DN100ISO-K, DN100CF
Compression ratio
N2: >1 × 108
He: 4 x 105
H2: 1.6 x 104
Outlet flange: DN25NW
Interstage port (Hi variants): DN25NW
Recommended backing pump*: RV3
Vent port: 1/8 inch BSP female
Purge port: 1/8 inch BSP female
Maximum continuous inlet pressure (light gas pumping)**
water cooling (water at 15 °C, ambient temp at 40 °C): 5 × 10-3 mbar
forced air cooled, 35 °C ambient: 5 × 10-3 mbar
Nominal rotational speed: 60000 rpm
Standby rotational speed: Variable from 33000 to 60000 rpm (42000 rpm default)
Start time 90% speed:*** 80 s
Cooling method: Forced air / water
Ambient air temperature for forced air cooling: 5-35 °C
Minimum cooling water flow rate (water 15 °C): 15 l h-1
Water temperature range: 10-20 °C
Maximum inlet flange temperature: 100 °C (CF version)
Operating attitude: Vertical and upright, through to horizontal
Noise level at 1 metre: <50 dB(A)
Maximum magnetic field: 5 mT
Recommended controller: TIC200 turbo or turbo and instrument controlled
Quiescent electrical power: 25 W
Interstage pumping speed (Hi variants): 10 L s-1
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Inlet flange
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DN100ISO-K
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DN100CF
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Pumping speed (l
s-1)3
N2
He
H2
Ultimate
pressure (mbar)
With rotary vane
backing pump
With diaphragm
backing pump
Weight (kg)
|
220
230
180 <5 × 10-9
<5 × 10-8
6.25
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220
230
180
<5 × 10-10
<5 × 10-9
8.6
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Edwards® EXT255DX compound turbomolecular pump – Pumping speedEXT255DX turbo pump - pumping speed vs inlet pressure
Edwards® EXT255DX compound turbomolecular pump – ThroughputExt255DX turbo pump - throughput vs inlet pressure
Edwards® EXT255DX compound turbomolecular pump – Dimensions
A Manual vent valve in vent port
B Podule
C Logic interface connector
D Backing Port
E Podule connector socket
F Allowance for right-angle cable connector
G Earth bond point
Edwards® EXT255DX compound turbomolecular pump - Ordering information
Product description Part No.
PumpInlet flange
EXT2555DX ISO100 DN100ISO-K B75311000
EXT255DX CF100 DN100CF B75312000
EXT2555iDX ISO100 (interstage) DN100ISO-K (main) B75313000
DN25NW (interstage)
Accessories Part No.
ACX250H air cooling accessory B58053160
WCX250 water cooling accessory B73600121
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