Edwards EXT70H - REBUILT
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| Weight | 15 lbs |
|---|---|
| Pumping Speed | 52-67 l/s-1 |
| Ultimate Pressure | 5 x 10-9 mbar |
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.
Questions? Please call our toll free number at 866-332-0500 or send an email to our sales team!
| Inlet flange | DN 63 ISO-K / DN 63 CF / DN 40 NW / DN 100 ISO-K |
| Pumping Speed | |
| N2 ISO-63 / 63 CF (DN 40 NW) (ISO-100) | 61 l/s (42 l/s) (66 l/s) |
| He ISO-63 / 63 CF (DN 40 NW) (ISO-100) | 57 l/s (49 l/s) (59 l/s) |
| H2 ISO-63 / 63 CF (DN 40 NW) (ISO-100) | 53 l/s (48 l/s) (54 l/s) |
| Compression ratio | |
| N2 | > 1 × 1011 |
| He | 1 x 106 |
| H2 | 5 x 104 |
| Ultimate Pressure (mbar) | |
| w/ RV backing pump ISO / CF | < 5 x 10-9 / 5 x 10-10 |
| w/ diaphragm backing pump ISO/CF | < 5 x 10-8 / 5 x 10-9 |
| Outlet flange | DN 16 NW |
| 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 | TIC 100 turbo and instrument controller |
| Quiescent electrical power | 10 W |
* A smaller backing pump may be used depending on application. A suitable diaphragm pump with ultimate < 5 mbar may also be used e.g. XDD1.
† Above this inlet pressure
| Type | Label | Description | Download |
|---|---|---|---|
|
BOC Edwards EXT Series - REBUILT | User's Manual | Download |
Need modifications to this item? PTB Sales' expert team of engineers can configure products to your specific needs.
Edwards MODEL EXT70H Turbomolecular Vacuum Pump - REBUILT
CODE B722-23-000 / B72223000 EXT70H DN 40 NW
CODE B722-22-000 / B72222000 EXT70H DN 63 CF
CODE B722-21-000 / B72221000 EXT70H DN 63 ISO-K
B722-28-000 / B72228000 EXT70HI DN 63 CF
B722-29-000 / B72229000 EXT70HI DN 63 ISO-K
B722-26-991 / B72226991 EXT70H ISO-100 24V
B722-01-000 / B72201000 EXT70 DN 63 ISO-K 
