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Edwards EXT70H Turbo Vacuum Pump - REBUILT

Manufacturer Part Number: B72223000
Price: $2,800.00
Quantity:
Edwards EXT70H Turbo Vacuum Pump - REBUILT
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Edwards EXT70H Turbomolecular Vacuum Pump - REBUILT

The Edwards EXT turbomolecular and compound molecular pumps provide a reliable, hydrocarbon-free high and ultra high vacuum. Utilizing multi-stage axial flow turbines combined with magnetic and ceramic bearings, the EXT design provides oil and vibration free operation with minimal maintenance on high critical foreline pressure processes.

Inlet flange DN63ISO-K, DN63CF, DN40NW or DN100ISO-K
Pumping Speed  
  N2 ISO63/63CF (DN40NW)(ISO100) 61 ls-1 (42 ls-1) (66 ls-1)
  He ISO63/63CF (DN40NW)(ISO100) 57 ls-1  (49 ls-1) (59 ls-1)
  H2 ISO63/63CF (DN40NW)(ISO100) 53 ls-1  (48 ls-1) (54 ls-1)
Compression ratio  
  N2 > 1 × 1011
  He 1 x 106
  H2 5 x 104
Ultimate Pressure (mbar)  
With RV backing pump ISO/CF < 5 x 10-9 / 5 x 10-10
With diaphragm backing pump ISO/CF < 5 x 10-8 / 5 x 10-9
Outlet flange DN16NW
Recommended backing pump* RV5/nXDS6i
Vent port 1/8 inch BSP
Purge port 1/8 inch BSP
Max continuous inlet pressure (light gas pumping)  
Water cooling (water at 15°C, ambient temp at 40°C) 2 × 10-2 mbar
Forced air cooled, 35°C ambient 1 × 10-2 mbar
Pump rotational speed  
Nominal rotational speed 90,000 rpm
Standby rotational speed Variable from 49,500 to 90,000 rpm
(63,000 rpm default)
Programmable power limit settings Variable from 50-120W (80W default)
Start time to 90% speed 110 s ‡
Analogue outputs Rotational speed;
Power consumption; Pump temp; Controller temp
Cooling method# Forced air / water
Ambient air temperature for forced air cooling 5 - 35°C
Min cooling water flow rate (water 15 °C) 15 l h-1
Water temp range 10 - 20°C
Max inlet flange temp 100°C
Operating attitude Vertical and upright, through to
Horizontal
Noise level at 1 metre < 50 dB(A)
Max magnetic field pump can tolerate 5 mT
Recommended controller TIC100 turbo and instrument controller
Quiescent electrical power 10 W

Request for Quote

Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs. Please follow the above link, and fill out the quote form.

Edwards EXT70H Turbomolecular Vacuum Pump - REBUILT

EXT70H  DN40NW
B72223000

EXT70H  DN63CF
B72222000

EXT70H  DN63ISO-K
B72221000

EXT70Hi  DN63CF
B72228000

EXT70Hi  DN63ISO-K
B72229000
	
EXT70H  ISO100 TURBO 24V
B72226991

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