- B81200101
- Edwards nEXT240D
- Pumping Speed: N2: 240 ls-1
- Compression Ratio: N2: > 1 x 1011
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Edwards nEXT240D Turbo Pump, ISO100, 80 W, B81200101
Condition:
New
Item#:PN15998
Mfr Part#:B81200101
Manufacturer:Edwards Vacuum
Features:
Edwards nEXT240D Turbo Pump, ISO100, 80 W, B81200101
Edwards nEXT240D Features:
- Multiple drag stages for higher compression ratios and greater backing pressure tolerance
- Sensorless drive for high efficiency and compactness with reduced stray magnetic fields
- Patented bearing suspension system minimises noise and vibration transmitted to vacuum system.
- User replaceable oil cartridge for a speedy interim service
- Regenerative stage ‘Boost’ port option for reduced pump numbers in differentially pumped systems for maximum system rationalisation
- Permanent magnet upper bearing for a hydrocarbon free vacuum, reduced vibration and minimum wear
- Advanced simulation tool derived rotor design to give better speed and compression performance
- Manual vent port with automatic valve accessories for rapid venting and quick cycle times
- Purge port for safe operation of pump with specialised gases
- Manual as well as serial setting of standby speed for flexible system tuning
- Simple parallel operation or more sophisticated serial control in both RS232 and RS485 protocols
- Automatic Wide operating voltage range from 24 V to 48 V dc for versatility in system integration
nEXT240D / B81200101 Overview:
The nEXT 240D pumps consist of the turbomolecular pump with a permanently attached controller containing drive electronics.
The controller controls the electrical supply to the pump with the exception of standby speed control. It has no manual controls and can only be operated through the logic interface. To operate the nEXT-240 D pump you must connect it to your own control equipment and power supply or alternatively use the Edwards TIC Turbo Instrument Controller or TIC Turbo Controller.
nEXT 240D pumps are supllied with an inlet-screen fitted into the centering O-ring for ISO version pumps and into envelope for CF version pumps. nEXT240 (B81200101) pumps with an NW 25 interstage-port are supplied with an inlet-strainer that fits into the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage that would be caused by debris entering the pump.
The nEXT 240 pumps have a vent-port for venting the pump and vacuum system to atmospheric pressure. The pump is supplied with a manual vent-vavle fitted; this can be replaced with a TAV5 or TAV6 solenoid-operated vent-valve. The TAV valve can be directly controlled by the on-board controller.
The nEXT B81200101 pumps have a purge-port: an inert purge gas can be introduced protect the bearing and motor from corrosion. An optional vent-port adapter and purge restrictor can be fitted to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Duplex - “D” - variants with both turbomolecular and drag stages for improved tolerance to higher backing line pressures.
Triplex - “T” - variants with turbo, drag and Edwards unique fluid dynamic stages for the ultimate in compression ratio and Boost technology for maximum vacuum system rationalisation.
Air-coolers and a water-cooling block are available.
A&J Vacuum Services offers full repair/service of Edwards nEXT Turbo Pumps, along with all other brands offered on our website. AJVS also services Edwards Vacuum Pump. Please contact us for information about our service and repair program or click http://www.ajvs.com/service.php to access our services page. We also offer emergency service upon request. For more information, please email A&J Vacuum Services at info@ajvs.com or call (973) 249-0854. Thank you for choosing AJVS as your supplier.
This item is non-returnable/non-refundable
Edwards nEXT240D Turbo Pump, ISO100, 80 W, B81200101
Edwards nEXT240D Technical Data:
| nEXT240 | nEXT300 | nEXT400 | |
| Inlet flange | DN100 ISO-K or DN100CF | DN100 ISO-K or DN100CF | DN160 ISO-K or DN160-CF |
| Inlet pumping speed (l/s) | N2 - 240 He - 230 H2 - 165 |
N2 - 300 He - 340 H2 - 280 |
N2 - 400 He - 390 H2 - 325 |
| Compression ratio (D) | N2 - >1 x 10^11 He - 3 x 10^5 H2 - 1 x 10^4 |
N2 - >1 x 10^11 He - 1 x 10^6 H2 - 5 x 10^4 |
N2 - >1 x 10^11 He - 1 x 10^8 H2 - 5 x 10^5 |
| Compression ratio (T) | N2 - >1 x 10^11 He - 1 x 10^6 H2 - 1.5 x 10^4 |
N2 - >1 x 10^11 He - 3 x 10^6 H2 - 1 x 10^5 |
N2 - >1 x 10^11 He - >1 x 10^8 H2 - 1 x 10^6 |
| Interstage pumping speed (l/s) | N2 - 13 He - 13 H2 - 11 |
N2 - 13 He - 13 H2 - 11 |
N2 - 13 He - 13 H2 - 11 |
| Backing/interstage/boost ports | NW25 | NW25 | NW25 |
| Vent/purge port | 1/8" BSPP | 1/8" BSPP | 1/8" BSPP |
| Critical backing pressure D (mbar) | 9.5 | 9.5 | 10 |
| Critical backing pressure T (mbar) | 20 | 20 | 20 |
|
Maximum continuous inlet flow (nitrogen, sccm) |
Water cooling (40°C ambient) - 45 Forced air cooling (35°C ambient) - 30 Natural convection (30°C ambient) - 10 |
Water cooling (40°C ambient) - 95 Forced air cooling (35°C ambient) - 115 Natural convection (30°C ambient) - 35 |
Water cooling (40°C ambient) - 105 Forced air cooling (35°C ambient) - 90 Natural convection (30°C ambient) - 45 |
| Maximum continuous backing pressure (mbar) |
Water cooling (40°C ambient) - 6 Forced air cooling (35°C ambient) - 4.8 Natural convection (30°C ambient) - 1 |
Water cooling (40°C ambient) - 6.8 Forced air cooling (35°C ambient) - 7 Natural convection (30°C ambient) - 2.8 |
Water cooling (40°C ambient) - 7.5 Forced air cooling (35°C ambient) - 7.5 Natural convection (30°C ambient) - 4 |
| Recommended backing pump | RV12/XDS10 | RV12/XDS10 | RV12/XDS10 |
| Peak booster speed m3h-1 (T variants) | RV12 (N2) - 26 XDS10 (N2) - 24 |
RV12 (N2) - 26 XDS10 (N2) - 24 |
RV12 (N2) - 26 XDS10 (N2) - 24 |
| Normal rotational speed (rpm) | 60,000 | 60,000 | 60,000 |
| Start time to 90% speed (sec) D (T) | 115 (150) | 145 (190) | 180 (210) |
| Sound pressure level at 1 m (dBa) | <45 (+/-3) | <45 (+/-3) | <45 (+/-3) |
| Mass (kg) D (T) | ISO - 5.7 (6) CF - 8.8 (9.1) |
ISO - 5.7 (6) CF - 8.5 (8.8) |
ISO - 6.5 (6.8) CF - 9.5 (9.8) |
A&J Vacuum Services offers full repair/service of Edwards nEXT Turbo Pumps, along with all other brands offered on our website. AJVS also services Edwards Vacuum Pump. Please contact us for information about our service and repair program or click http://www.ajvs.com/service.php to access our services page. We also offer emergency service upon request. For more information, please email A&J Vacuum Services at info@ajvs.com or call (973) 249-0854. Thank you for choosing AJVS as your supplier.
Edwards nEXT240 nEXT300 nEXT400 Manual.pdf
Edwards_nEXT_Turbo_Pump_Accessories_Instruciton_Manual.pdf
AJVS_Vacuum_Pump_Turbo_Pump_Service_and_Repair.pdf
AJVS_Edwards_nEXT240D_Turbo_Pump_Sales_and_Service.pdf
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