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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

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 mbarL/s He:* 232 mbarL/s N2:* 60.0 mbar*L/s				Ar: 15.0 mbarL/s H2:* 15.0 mbarL/s He:* 21.0 mbarL/s N2:* 14.0 mbar*L/s	Ar: 15.0 mbarL/s H2:* 14.0 mbarL/s He:* 21.0 mbarL/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.

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		PUMP, TURBO, nEXT 240D, IOS100-K INLET FLANGE, 160W	B81200100	P.O.R.
nEXT240D	DN100CF (6.00" OD)	KF25		PUMP, TURBO, nEXT240D, 6" CF FLANGE	B81200200	$12,482.00
nEXT300D	ISO100-K	KF25		PUMP,TURBO,nEXT300D,100 ISO-K INLET,QF25 BACKING PORT	B82200100	$10,852.00
nEXT300D	DN100CF (6.00" OD)	KF25		PUMP,TURBO,nEXT300D,6"CF INLET, QF25 BACKING PORT	B82200200	$13,857.00
nEXT400D	ISO160-K	KF25		PUMP, TURBO, nEXT400D, ISO160 160W	B83200300	P.O.R.
nEXT400D	DN160CF (8.00" OD)	KF25		PUMP,TURBO,nEXT400D,160CF INLET, QF25 BACKING PORT	B83200400	$15,073.00
nEXT85D	KF40	KF16		TURBO PUMP, nEXT85D, NW40, 80W	B8G210A01	P.O.R.
nEXT85D	ISO63-K	KF16		TURBO PUMP, nEXT85D, ISO63, 80W	B8G210B01	P.O.R.
nEXT85D	DN63CF (4.50" OD)	KF16		TURBO PUMP, nEXT85D, CF63, 80W	B8G210C01	P.O.R.
nEXT730D	ISO160-K	KF25		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.
nEXT730D	DN160CF (8.00" OD)	KF25		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.
nEXT930D	ISO200-K	KF25		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.
nEXT930D	DN200CF (10.00" OD)	KF25		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.

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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.
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.
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.
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.
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.
EXT75DX, nEXT85D	Clamping Kit, For QF16 Flange, Including Aluminum Clamp and FKM Centering Ring	KF Hardware Kit	QF16-HDKIT	P.O.R.
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.
nEXT240D, nEXT300D, nEXT400D	Clamping Kit, For QF25 Flange, Including Aluminum Clamp and FKM Centering Ring	KF Hardware Kit	QF25-HDKIT	P.O.R.
EXT75DX, nEXT85D	Clamping Kit, For QF40 Flange, Including Aluminum Clamp and FKM Centering Ring	KF Hardware Kit	QF40-HDKIT	P.O.R.
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.
nEXT730D, nEXT930D	Edwards 48VDC Cable to Connect EDS500 to nEXT730/930 Pumps, 1m Length	Interconnect Cable	B8J200821	P.O.R.
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.
All EXT and nEXT series pumps	Edwards Air Cooling Kit for EXT Pumps	Turbo Accessory	B58053075	$359.00
nEXT730D, nEXT930D	Edwards EPS500 Power Supply for nEXT730/930 Turbo Pumps	Power Supply	B8J200811	P.O.R.
nEXT730D, nEXT930D	Edwards Extension Cable for Connection to TAG/TIC Controllers to nEXT Pumps	Interconnect Cable	D39700835	P.O.R.
All EXT and nEXT series pumps	Edwards Pump Extension Cable, 2m Length	Interconnect Cable	D39700836	$352.00
nEXT730D, nEXT930D	Edwards Radial Air Cooling Unit for nEXT730/930 Turbo Pumps	Turbo Accessory	B8J200800	P.O.R.
All EXT and nEXT series pumps	Edwards TAG Turbo and Active Gauge Controller	Turbo Controller	D39592000	P.O.R.
nEXT730D, nEXT930D	Edwards TAV5 Vent Valve (Normally Open)	Turbo Accessory	B8G200834	P.O.R.
All EXT and nEXT series pumps	Edwards TAV5 Vent Valve, 24VDC	Turbo Accessory	B58066010	$519.00
nEXT series pumps	Edwards TIC 200 (200 Watt) Controller, RS232	Turbo Controller	D39712000	P.O.R.
All EXT and nEXT series pumps	Edwards TIC Logic Interface Cable (Controller - Relay Box), 2m Length	Interconnect Cable	D39700833	P.O.R.
All EXT and nEXT series pumps	Edwards TIC RS232 Communication Cable, 2m Length	Interconnect Cable	D39700834	$57.36
All EXT and nEXT series pumps	Edwards TIC Relay Box for Small Backing Pump	Turbo Accessory	D39711805	P.O.R.
All EXT and nEXT series pumps	Edwards TIC100 (100 Watt) Turbo and Instrument Controller, RS232	Interconnect Cable	D39721000	P.O.R.
nEXT730D, nEXT930D	Edwards Water Cooling Unit for nEXT730/930 Turbo Pumps	Turbo Accessory	B8J200820	P.O.R.
nEXT 240, 300, and 400 series pumps	Edwards nEXT (240 , 300, 400) Radial Air Cooler	Turbo Controller	B58053175	$404.00
nEXT series pumps	Edwards nEXT 240, 300, 400 Oil Cartridge Tool Kit	Turbo Accessory	B80000812	P.O.R.
nEXT series pumps	Edwards nEXT Bearing Tool Kit	Repair Kit	B80000805	P.O.R.
nEXT series pumps	Edwards nEXT Bearing and Oil Cartridge Kit	Repair Kit	B80000810	P.O.R.
nEXT85	Edwards nEXT Radial Fan for nEXT85D Pumps (AXC85)	Turbo Accessory	B8G200820	P.O.R.
nEXT series pumps	Edwards nEXT Water Cooling Block	Turbo Controller	B80000815	P.O.R.
nEXT series pumps	Exdwards nEXT Oil Cartridge Kit	Repair Kit	B80000811	P.O.R.
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.
nEXT730D, nEXT930D	Mains Cable with CEE 7/7 Plug (Northern Europe) for single phase pumps, 3m length	Mains Cable	B8J200812	P.O.R.
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
nEXT730D, nEXT930D	Mains Cable with NEMA 5-15 (N.A. / Japan) Plug for single phase, 3m length	Mains Cable	B8J200813	P.O.R.
nEXT730D, nEXT930D	Mains Cable with Type G (UK) Plug for single phase pumps, 3m length	Mains Cable	B8J200814	P.O.R.

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