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Diffusion Pumps


Diffusion Vacuum Pumps are cleaned and decontaminated, all consumables such as 'o' rings and Heaters are replaced. After rebuild the pump is painted, leak tested and then test run to ensure correct performance is achieved.

Edwards Unused HT16

Edwards Unused HT16

OEM Part No: B31220440

Flanges: ANSI
Cooling: Water
Condition: Unused in Original Crate

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Edwards EO2 Air

Edwards EO2 Air

OEM Part No:B008 25 110
Pumping Speed Air : 150 lit/sec
Inlet Flange: 130mm bolted flange.
Cooling: Air
Accessories: Isolation Valve,water cooled baffle,nitrogen trap.
Condition:Recon

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Edwards EO2 Water

Edwards EO2 Water

OEM Part No:B304 09 210
Pumping Speed air : 150 lit/sec
'' C " Clamp backing connection or KF10. Please specify on order.
Inlet Flange:130.2mm o/d 
Cooling:Water
Accessories: Isolation valve,water cooled baffle,Nitrogen trap,spare parts. 
Condition:Recon

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Edwards E04

Edwards E04

Displacement: 600 lit/sec
'C' clamp Backing connection or KF10
Please specify on order.

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Edwards EO6

Edwards EO6


OEM Part No:B011 03 240
Pumping speed Air : 1350 lit/sec
Inlet flange:254mm (10") bolted flange
Cooling: Water
Accessories: Isolation Valve,Nitrogen trap,Backing pump
'C' clamp Backing connection or KF25
Please specify on order.
Condition:Recon

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Edwards EO20

Edwards EO20

OEM Part No: B045 2 380
Pumping Speed: 14,000 lit/sec
Inlet Flange: 610mm bolted flange
Cooling: Water
Condition: Recon

Fitted with cold trap

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Edwards 203D

Edwards 203D

Pumping speed  Air: 95 lit/sec
Inlet flange:130mm bolted flange
Cooling:Air
Accessories:Isolation valve,water cooled baffel,rotary backing pump.
Condition:Recon 

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Edwards SI100

Edwards SI100

OEM Part No: B344 50 090
Pumping Speed Air :60 Lit/Sec 
Inlet Flange: ISO100 Compatible
Cooling: Air
Condition: Unused in original box. 

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Edwards CR63-150M

Edwards CR63-150M

OEM Part Number Variable depending of valve operation and Voltage required
Pumping Speed: 120 lit/sec
Inlet Flange: ISO 63
Cooling:Water
Features: Cryo cooled with Manual valve.
Condition:Recon

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Edwards CR100/300M

Edwards CR100/300M

OEM Part Number: Variable depending on voltage set up and valve required
Pumping Speed Air : 230 lit/sec
Inlet Flange:ISO100
Cooling:Air
Features: Cryo cooled manual valve.
Condition: Recon

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Edwards 100/300P

Edwards 100/300P

OEM Part No: Variable Depending on Voltage and Valve required.
Pumping Speed:280 lit/sec
Inlet Flange:ISO100
Cooling:Water
Features: Pnumatic Valve
Condition:Unused 
Unused
Pneumatic Valve

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Edwards CR160/700M

Edwards CR160/700M

Oem Part No: Variable depending on Voltage on Valve required.
Pumping Speed : 600 lit/sec
Inlet Flange:ISO160
Cooling:Water
Features:Cryo Cooled
Condition:Recon

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Edwards 100/300C

Edwards 100/300C

OEM Part No: Variable Depending on Voltage set up. 
Pumping speed Air: 300 Lit/Sec
Inlet Flange:ISO100
Cooling:Water
Condition:Unused in original box.
Unused
Collar Version

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Edwards 100/300

OEM Part No: Variable Depending on Voltage required.
Pumping Speed Air: 280 lit/sec
Inlet flange: ISO 100  Collar
Cooling:Water
Condition:Recon

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Edwards 100/300M

Edwards 100/300M

OEM Part No: Varable Depending on Voltage and valve required.
Pumping Speed: 280 Lit/sec
Inlet Flange:ISO100
Cooling:Water
Features: Manual Valve
Condition:Recon 

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Edwards 160/700P

Edwards 160/700P

OEM Part No:Variable depending on Voltage set up.
Pumping Speed: 700 lit/sec
Inlet Flange:ISO160
Cooling: Water
Features:Pneumatic Valve
Accessories available:Backing Pump
Condition:Recon
Diffstack. Pneumatic valve

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Edwards 160/700C

Edwards 160/700C

OEM Part Number: B348 33 976,B34833977,B34833978. 
Pumping speed for Air : 600 lit/sec
Inlet Flange: ISO100 Collar
Cooling:Water
Condition:Recon

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Edwards 160/700M

Edwards 160/700M



OEM Part No:B348 31 976 or B348 31 977 or B348 31 978
Pumping Speed For Air : 700 lit/sec
Inlet Flange: ISO160
Cooling: Water
Features: Manual Valve
Condition:Recon

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Edwards 250/2000P

Edwards 250/2000P

OEM Part No: B350 31 976,B350 31 977,B350 31 978
Pumping Speed for Air: 2000 lit /sec
Inlet Flange:ISO250
Cooling:Water
Features:Pnumatic valve operation 
Condition:Recon

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Varian HS20

Varian HS20

Pumping Speed for Air:17,500 lit/sec
Inlet flange:ISO630
Cooling: Water
Accessories: Water cooled Baffle on ISO630 Flanges.
Condition:Recon

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Varian M6

Varian M6

Pumping Speed For Air : 1500 Lit/sec
Inlet Flange : 11 ASA Flange
Cooling:Water
Condition:Recon

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