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nEXT85D nEXT240 nEXT300 nEXT400 nEXT730 Front nEXT730 Left Angle nEXT730 Right Angle nEXT930 Front nEXT930 Left Angle nEXT930 Back Angle

Edwards EXT and nEXT Series

nEXT Features:

  • Patented bearing suspension system minimizes noise and vibration transmitted to the vacuum system.
  • Advanced simulation tool derived rotor design to give better speed and compression performance.
  • Multiple drag stages for higher compression ratios and greater backing pressure tolerance.
  • Permanent magnet upper bearing for a hydrocarbon free vacuum, reduced vibration and minimum wear.
  • Manual vent port with automatic valve accessories for rapid venting and quick cycle times
  • Purge port for safe pumping operation of specialized gases.
  • Automatic wide operating voltage range from 24V to 48V dc for versatility in system integration.

Applications:

  • Mass spectrometry
  • Electron microscopy
  • Research and development
  • High energy physics
  • Industrial

Charts

 
Edwards nEXT Models Imperial Edwards nEXT Models Metric Edwards nEXT85D Edwards nEXT240D Edwards nEXT300D Edwards nEXT400D Edwards nEXT730D Imperial Edwards nEXT730D Metric Edwards nEXT930D Imperial Edwards nEXT930D Metric

Videos

Edwards nEXT85 turbomolecular pump

With an increased customer choice of standard and higher compression variants, Edwards nEXT85 turbomolecular pump is able to offer superior performance for all needs, and yet is the smallest pump in its class on the market.

Runtime: 02:46

Specifications Table

Pump Model nEXT85D nEXT240D nEXT300D nEXT400D nEXT730D nEXT930D
Pumping Speeds
N2: 84.0 L/s
He: 78.0 L/s
H2: 54.0 L/s
Ar: 80.0 L/s
N2: 240 L/s
He: 230 L/s
H2: 165 L/s
N2: 300 L/s
He: 340 L/s
H2: 280 L/s
N2: 400 L/s
He: 390 L/s
H2: 325 L/s
N2: 730 L/s
He: 820 L/s
H2: 715 L/s
Ar: 665 L/s
N2: 925 L/s
He: 905 L/s
H2: 735 L/s
Ar: 865 L/s
Max Gas Throughput Ar: 21.0 mbar*L/s
He: 232 mbar*L/s
N2: 60.0 mbar*L/s
Ar: 15.0 mbar*L/s
H2: 15.0 mbar*L/s
He: 21.0 mbar*L/s
N2: 14.0 mbar*L/s
Ar: 15.0 mbar*L/s
H2: 14.0 mbar*L/s
He: 21.0 mbar*L/s
N2: 14.0 mbar*L/s
Ultimate Pressure
ConFlat Flange
5.00 x 10-10 hPA
5.00 x 10-10 mbar
5.00 x 10-8 Pa
3.75 x 10-10 Torr
ISO-K Flange
8.00 x 10-8 hPA
8.00 x 10-8 mbar
8.00 x 10-6 Pa
6.00 x 10-8 Torr
ConFlat Flange
5.00 x 10-10 hPA
5.00 x 10-10 mbar
5.00 x 10-8 Pa
3.75 x 10-10 Torr
ISO-K Flange
8.00 x 10-8 hPA
8.00 x 10-8 mbar
8.00 x 10-6 Pa
6.00 x 10-8 Torr
ConFlat Flange
5.00 x 10-10 hPA
5.00 x 10-10 mbar
5.00 x 10-8 Pa
3.75 x 10-10 Torr
ISO-K Flange
8.00 x 10-8 hPA
8.00 x 10-8 mbar
8.00 x 10-6 Pa
6.00 x 10-8 Torr
ConFlat Flange
2.00 x 10-10 hPA
2.00 x 10-10 mbar
2.00 x 10-8 Pa
1.50 x 10-10 Torr
ISO-K Flange
1.00 x 10-8 hPA
1.00 x 10-8 mbar
1.00 x 10-6 Pa
7.50 x 10-9 Torr
ConFlat Flange
3.00 x 10-10 hPA
3.00 x 10-10 mbar
3.00 x 10-8 Pa
2.25 x 10-10 Torr
ConFlat Flange
3.00 x 10-10 hPA
3.00 x 10-10 mbar
3.00 x 10-8 Pa
2.25 x 10-10 Torr
Cooling Method(s) Method
Forced Air
Water
Method
Forced Air
Water
Method
Forced Air
Water
Method
Forced Air
Water
Method
Forced Air
Water
Method
Forced Air
Water
Foreline Flange KF16
KF25
KF25
KF25
KF25
KF25
Inlet Flange KF40
ISO63-K
DN63CF (4.50" OD)
ISO100-K
DN100CF (6.00" OD)
ISO100-K
DN100CF (6.00" OD)
ISO160-K
DN160CF (8.00" OD)
ISO160-K
DN160CF (8.00" OD)
ISO200-K
DN200CF (10.00" OD)
Compression Ratio(s) N2: 1.00 x 1011
Ar: 1.00 x 109
He: 8.50 x 106
H2: 2.10 x 105
N2: 1.00 x 1011
He: 3.00 x 105
H2: 1.00 x 104
N2: 1.00 x 1011
He: 1.00 x 106
H2: 5.00 x 104
N2: 1.00 x 1011
He: 1.00 x 108
H2: 5.00 x 105
Ar: 1.00 x 1011
He: 1.20 x 108
H2: 4.00 x 106
N2: 1.00 x 1011
Ar: 1.00 x 1011
H2: 4.00 x 106
He: 1.20 x 108
N2: 1.00 x 1011
Weight Lbs (kg) 6.38 - 9.68 ( 2.90 - 4.40 ) 12.6 - 19.4 ( 5.70 - 8.80 ) 12.6 - 18.7 ( 5.70 - 8.50 ) 14.3 - 21.6 ( 6.50 - 9.80 ) 32.2 - 43.2 ( 14.6 - 19.6 ) 34.0 - 47.8 ( 15.4 - 21.7 )
Lubrication Type Dry
Dry
Dry
Dry
Dry
Dry
Technology Type Turbomolecular
Turbomolecular
Turbomolecular
Turbomolecular
Turbomolecular
Turbomolecular
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* Natural convection (30-35°C Ambient). Other cooling methods differ.

Product Downloads
For a datasheet download of the nEXT Series 730D-930D, click here.
For a brochure download of the nEXT Series 85D-400D, click here.
For a brochure download of the nEXT Series 730D-930D, click here.
Vacuum Pump Repair
& Services
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Request a Service Quote
Request a Pump RMA
Remanufactured Vacuum
Pumps
Click here to view a list of remanufactured vacuum pumps available from The KJLC's Remanufactured Vacuum Pump Division.
Pumps FAQ
Click here for answers to some of the most common questions we are asked.
Contact Us
Contact Us
To contact someone directly, please click here, or call +1 412 387 9200 to get in contact with your dedicated sales team.
Note:
  • All pumps require a Controller and Power Cord for proper operation. An Inlet Screen, Vent Valve, and Air Cooling Fan may be required for select applications.

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Ordering Table

(Click column headers to sort data)

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Pump Model Inlet Flange Foreline Flange Manual Description Part Number Price In Stock Add To Cart Accessories
Pump Model Inlet Flange Foreline Flange Manual Description Part Number Price In Stock Add To Cart Accessories
nEXT240D ISO100-K KF25 Download PDF PUMP, TURBO, nEXT 240D, IOS100-K INLET FLANGE, 160W B81200100 P.O.R. Contact KJLC for Availability
nEXT240D DN100CF (6.00" OD) KF25 Download PDF PUMP, TURBO, nEXT240D, 6" CF FLANGE B81200200 $12,482.00 Contact KJLC for Availability
nEXT300D ISO100-K KF25 Download PDF PUMP,TURBO,nEXT300D,100 ISO-K INLET,QF25 BACKING PORT B82200100 $10,852.00 Contact KJLC for Availability
nEXT300D DN100CF (6.00" OD) KF25 Download PDF PUMP,TURBO,nEXT300D,6"CF INLET, QF25 BACKING PORT B82200200 $13,857.00 Contact KJLC for Availability
nEXT400D ISO160-K KF25 Download PDF PUMP, TURBO, nEXT400D, ISO160 160W B83200300 P.O.R. Contact KJLC for Availability
nEXT400D DN160CF (8.00" OD) KF25 Download PDF PUMP,TURBO,nEXT400D,160CF INLET, QF25 BACKING PORT B83200400 $15,073.00 Contact KJLC for Availability
nEXT85D KF40 KF16 Download PDF TURBO PUMP, nEXT85D, NW40, 80W B8G210A01 P.O.R. Contact KJLC for Availability
nEXT85D ISO63-K KF16 Download PDF TURBO PUMP, nEXT85D, ISO63, 80W B8G210B01 P.O.R. Contact KJLC for Availability
nEXT85D DN63CF (4.50" OD) KF16 Download PDF TURBO PUMP, nEXT85D, CF63, 80W B8G210C01 P.O.R. Contact KJLC for Availability
nEXT730D ISO160-K KF25 Download PDF EDWARDS NEXT730D CERAMIC BEARING TURBOMOLECULAR DRAG PUMP WITH ISO160-K INLET FLANGE, AND KF25 FORELINE FLANGE, 730 L/S N2 PUMPING SPEED. B8J200300 P.O.R. Contact KJLC for Availability
nEXT730D DN160CF (8.00" OD) KF25 Download PDF EDWARDS NEXT730D CERAMIC BEARING TURBOMOLECULAR DRAG PUMP WITH CF160 INLET FLANGE, AND KF25 FORELINE FLANGE, 730 L/S N2 PUMPING SPEED. B8J200400 P.O.R. Contact KJLC for Availability
nEXT930D ISO200-K KF25 Download PDF EDWARDS NEXT930D CERAMIC BEARING TURBOMOLECULAR DRAG PUMP WITH ISO200-K INLET FLANGE, AND KF25 FORELINE FLANGE, 925 L/S N2 PUMPING SPEED. B8K200D00 P.O.R. Contact KJLC for Availability
nEXT930D DN200CF (10.00" OD) KF25 Download PDF EDWARDS NEXT930D CERAMIC BEARING TURBOMOLECULAR DRAG PUMP WITH CF200 INLET FLANGE, AND KF25 FORELINE FLANGE, 925 L/S N2 PUMPING SPEED. B8K200F00 P.O.R. Contact KJLC for Availability
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Accessories Table

For Pump Model(s) Description Accessory Type Part Number Price In Stock Add To Cart
For Pump Model(s) Description Accessory Type Part Number Price In Stock Add To Cart
EXT75DX, nEXT85D Auto-Soft Flow Actuated Check Valve (KF40)
Hardware
225-0040
P.O.R.
Contact KJLC for Availability
nEXT400D Bolting Kit, For DN160CF (8.00" OD) Flange, Including Bolt, Nut, and Washer Set and Copper Gasket
CF Hardware Kit
DN160CF-HDKIT
P.O.R.
Contact KJLC for Availability
EXT75DX, nEXT85D Bolting Kit, For DN63CF (4.50" OD) Flange, Including Bolt, Nut, and Washer Set and Copper Gasket
CF Hardware Kit
DN63CF-HDKIT
P.O.R.
Contact KJLC for Availability
nEXT240D, nEXT300D Bolting Kit, For Dn100CF (6.00" OD) Flange, Including Bolt, Nut, and Washer Set and Copper Gasket
CF Hardware Kit
DN100CF-HDKIT
P.O.R.
Contact KJLC for Availability
EXT75DX, nEXT240D, nEXT300D Clamping Kit, For QF100 (ISO100-K) Flange, Including (8) Cold Steel (Zinc Plated) Clamp and FKM Centering Ring
ISO-K Hardware Kit
QF100K-HDKIT
P.O.R.
Contact KJLC for Availability
EXT75DX, nEXT85D Clamping Kit, For QF16 Flange, Including Aluminum Clamp and FKM Centering Ring
KF Hardware Kit
QF16-HDKIT
P.O.R.
Contact KJLC for Availability
nEXT400D Clamping Kit, For QF160 (ISO160-K) Flange, Including (8) Cold Steel (Zinc Plated) Clamp and FKM Centering Ring
ISO-K Hardware Kit
QF160K-HDKIT
P.O.R.
Contact KJLC for Availability
nEXT240D, nEXT300D, nEXT400D Clamping Kit, For QF25 Flange, Including Aluminum Clamp and FKM Centering Ring
KF Hardware Kit
QF25-HDKIT
P.O.R.
Contact KJLC for Availability
EXT75DX, nEXT85D Clamping Kit, For QF40 Flange, Including Aluminum Clamp and FKM Centering Ring
KF Hardware Kit
QF40-HDKIT
P.O.R.
Contact KJLC for Availability
EXT75DX, nEXT85D Clamping Kit, For QF63 (ISO63-K) Flange, Including (4) Cold Steel Zinc Plated) Clamp and FKM Centering Ring
ISO-K Hardware Kit
QF63K-HDKIT
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards 48VDC Cable to Connect EDS500 to nEXT730/930 Pumps, 1m Length
Interconnect Cable
B8J200821
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards 48VDC Cable to Connect Third Party Power Supplies to nEXT730/930 Pumps, 1m Length (Flying Leads)
Interconnect Cable
B8J200815
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards Air Cooling Kit for EXT Pumps
Turbo Accessory
B58053075
$359.00
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards EPS500 Power Supply for nEXT730/930 Turbo Pumps
Power Supply
B8J200811
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards Extension Cable for Connection to TAG/TIC Controllers to nEXT Pumps
Interconnect Cable
D39700835
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards Pump Extension Cable, 2m Length
Interconnect Cable
D39700836
$352.00
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards Radial Air Cooling Unit for nEXT730/930 Turbo Pumps
Turbo Accessory
B8J200800
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TAG Turbo and Active Gauge Controller
Turbo Controller
D39592000
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Edwards TAV5 Vent Valve (Normally Open)
Turbo Accessory
B8G200834
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TAV5 Vent Valve, 24VDC
Turbo Accessory
B58066010
$519.00
Contact KJLC for Availability
nEXT series pumps Edwards TIC 200 (200 Watt) Controller, RS232
Turbo Controller
D39712000
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TIC Logic Interface Cable (Controller - Relay Box), 2m Length
Interconnect Cable
D39700833
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TIC RS232 Communication Cable, 2m Length
Interconnect Cable
D39700834
$57.36
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TIC Relay Box for Small Backing Pump
Turbo Accessory
D39711805
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Edwards TIC100 (100 Watt) Turbo and Instrument Controller, RS232
Interconnect Cable
D39721000
P.O.R.
In Stock
nEXT730D, nEXT930D Edwards Water Cooling Unit for nEXT730/930 Turbo Pumps
Turbo Accessory
B8J200820
P.O.R.
Contact KJLC for Availability
nEXT 240, 300, and 400 series pumps Edwards nEXT (240 , 300, 400) Radial Air Cooler
Turbo Controller
B58053175
$404.00
Contact KJLC for Availability
nEXT series pumps Edwards nEXT 240, 300, 400 Oil Cartridge Tool Kit
Turbo Accessory
B80000812
P.O.R.
Contact KJLC for Availability
nEXT series pumps Edwards nEXT Bearing Tool Kit
Repair Kit
B80000805
P.O.R.
Contact KJLC for Availability
nEXT series pumps Edwards nEXT Bearing and Oil Cartridge Kit
Repair Kit
B80000810
P.O.R.
Contact KJLC for Availability
nEXT85 Edwards nEXT Radial Fan for nEXT85D Pumps (AXC85)
Turbo Accessory
B8G200820
P.O.R.
Contact KJLC for Availability
nEXT series pumps Edwards nEXT Water Cooling Block
Turbo Controller
B80000815
P.O.R.
In Stock
nEXT series pumps Exdwards nEXT Oil Cartridge Kit
Repair Kit
B80000811
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Mains Cable with CEE 7.7 Plug (Northern Europe) for single phase pumps, 2m length
Mains Cable
D40013030
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Mains Cable with CEE 7/7 Plug (Northern Europe) for single phase pumps, 3m length
Mains Cable
B8J200812
P.O.R.
Contact KJLC for Availability
All EXT and nEXT series pumps Mains Cable with NEMA 5-15 (N.A. / Japan) Plug for single phase, 2m length
Mains Cable
D40013120
$15.71
Contact KJLC for Availability
nEXT730D, nEXT930D Mains Cable with NEMA 5-15 (N.A. / Japan) Plug for single phase, 3m length
Mains Cable
B8J200813
P.O.R.
Contact KJLC for Availability
nEXT730D, nEXT930D Mains Cable with Type G (UK) Plug for single phase pumps, 3m length
Mains Cable
B8J200814
P.O.R.
Contact KJLC for Availability
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