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Edwards EXT70 Turbo Vacuum Pump, DN 63 ISO, B722 01 000, B722-01-000
Edwards EXT70 Overview:
The Edwards EXT70H B72201000, EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the Edwards EXT70 B722 -01-000 therefore rotates at up to 90000 r min-1, and the rotor of the Edwards EXT250 therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The Edwards EXT B72201000 pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The Edwards EXT250Hi pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70 pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT250H and EXT250Hi pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Edwards EXT70 Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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 EXT 70 Turbo Vacuum Pump, DN 63 ISO, B72205000 / HPG 1946 80002
Edwards EXT70 Overview:
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.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
Edwards EXT70 Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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.
General Overview:
The Edwards EXT70H B72225000, Agilent G2589-80061 is a standard turbo pump for Agilent 5973N. Agilent G2589-80061 was replaced with new part # G2589-89061. EXT 70H
EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the EXT70H/Hi therefore rotates at up to 90000 r min-1, and the rotor of the EXT250H/Hi therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The EXT pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The EXT250Hi pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70H B722 25 000, Agilent G258980061 pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT250H and EXT250Hi pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Unit is fully rebuilt and comes with a FULL 6-MONTH WARRANTY!
Edwards EXT70 Turbo Vacuum Pump, DN 63 CF Conflat, B722 02 000, B722-02-000
Edwards EXT70 Overview:
The Edwards EXT70H B72202000, EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the Edwards EXT70 B722 -01-000 therefore rotates at up to 90000 r min-1, and the rotor of the Edwards EXT250 therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The Edwards EXT B72202000 pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The Edwards EXT250Hi pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70 pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT250H and EXT250Hi pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Edwards EXT70 Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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 EXT-70HI Turbo Pump, DN 63 ISO-K with KF-25 Intermediate Port, EXT 70 HI, B722-29-000 / B72229000
Edwards EXT70 HI / B722 29 000 Overview:
The Edwards EXT70H B72229000, EXT 70 Hi, pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the Edwards EXT70 B722-29-000 therefore rotates at up to 90000 r min-1, and the rotor of the Edwards EXT250 therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The Edwards EXT B72229000 pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The Edwards EXT 70 HI pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70 HI pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT 70HI pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Edwards EXT70 HI Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards EXT 70 HI Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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 EXT70H CF63 Turbo Pump, DN63CF, B722-22-000
Edwards EXT70H Overview:
The Edwards EXT70H B72222000, EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the Edwards EXT70 B722 -22-000 therefore rotates at up to 90000 r min-1, and the rotor of the Edwards EXT250 therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The Edwards EXT B72222000 pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The Edwards EXT250Hi pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70 pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT250H and EXT250Hi pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Edwards EXT70H Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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 EXT70H Turbo Pump with ISO63 Inlet Flange, KF16 Outlet Flange, B72221000
Edwards EXT70 Overview:
The Edwards EXT70H B72221000, EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
The turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings. The rotor and stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas. The rotor of the Edwards EXT70 B722 -01-000 therefore rotates at up to 90000 r min-1, and the rotor of the Edwards EXT250 therefore rotates at up to 60000 r min-1.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
The rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
The Edwards EXT B72202000 pump is supplied with an inlet-screen fitted in the bore of the inlet-flange. The Edwards EXT250Hi pump is also supplied with an inlet-strainer which fits in the interstage-port. The inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The Edwards EXT70 pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
The EXT250H and EXT250Hi pumps have a purge-port in the motor and bearing housing chamber. In order to protect the bearing lubricant from the effects of high oxygen concentrations, you can introduce an inert purge gas through the purge-port. You can fit an optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
Edwards EXT70 Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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 EXT 70H Turbo Pump with DN-100 ISO Inlet Flange, KF16 Outlet Flange, 24 V, B72226991, EXT-70, EXT70H, B722-26-991
General Overview:
The Edwards EXT 70H, EXT70Hi, EXT250H and EXT250Hi pumps are compound vacuum pumps that combine a turbomolecular pump and a drag pump on a single shaft.
This Edwards EXT70H / B72226991 turbomolecular pump is made from a multi-stage axial-flow turbine which is optimised for operation in molecular flow conditions. The drag pump is made from pumping channels formed by plane rotating disks. The drag pump is designed for operation at higher pressures than conventional turbomolecular pumps.
The light alloy rotor is machined from one piece to form the angled blades of the turbomolecular pump and the disks of the drag pump. The rotor blades rotate between angled stator blades which are supported by spacer rings.
The Edwards Rotor and Stator blades have an open structure at the pump inlet, and a more closed structure at the outlet. This configuration gives an optimum combination of pumping speed and compression when pumping gases of both high and low molecular weight. For the blades to be effective, their speed must be close to the thermal velocity of the gas.
The Rotor of the EXT70H therefore rotates at up to 90000 r min-1, and the rotor of the EXT250H/Hi therefore rotates at up to 60000 r min-1.
Process Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
EXT 70H DN100ISO-K Technical Data:
- Inlet Flange, DN100 ISO-K (No Groove)
- Outlet FLange DN25 KF-F
- Ultimate Pressure 5 x 10-9 mbar
- Puming Speed for N2 65 l/sec
- Minimum backing pump requirement 0.6 m3h
- Recomended backing pump Edwards E2M0.7
- Nominal Rotational Speed: 90000 r min
- Backing pressure > 10 mbar (1000 Pa) and interstage flow 20sccm (0.3mbar l s-1, 30 Pa l s-1)
- Backing pressure > 8 mbar (800 Pa) and interstage flow 30sccm (0.5mbar l s-1, 50 Pa l s-1)
Please refer to EXT70 Operating Instructions for more details
The EXT 70H rotating assembly is supported at the inlet end by a frictionless magnetic bearing and by a precision ceramic ball bearing at the outlet end. The ball bearing is lubricated from an oil reservoir and wick mechanism.
It is recomended to use inlet-screen and inlet-strainer protect the pump against damage which would be caused by debris which enters the pump. The inlet-screen also protects you from the sharp blades in the pump.
The EXT pump has a vent-port that you can use to vent the pump and your vacuum system to atmospheric pressure. The vent-port introduces vent gas part way up the pump rotor; this ensures maximum cleanliness. The pump is supplied with a manual vent-valve fitted to the vent-port.
Edwards EXT pump can fited with optional vent-port adaptor and purge restrictor to the purge-port to control the flow rate of the purge gas and to filter the gas supply.
A&J Vacuum also repair / rebuild and service all Edwards EXT 70H / B72226991 with Edwards Scroll Vacuum Pumps Edwards Turbo Pump repair, Edwards Vane Pumps and all other Edwards Vacuum Rotary Vane pumps. Please contact us for information on service program or click here http://www.ajvs.com/service.php to go to our Service page. We also offer Emergency service upon request. For more information Please contact A&J Vacuum Services at 973-249-0854
Overview:
The Edwards EXT Turbomolecular and compound molecular pumps provide a reliable, hydrocarbon-free and ultra high vacuum.
Utilizing mulit-stage axial flow turbines combined with magnetic and ceramic bearings, the EXT design provides oil and vibration free operation with minimal maintenance on high foreline pressure processes.
Edwards EXT70 Turbo Vacuum Pump, B722-05-000, G1946-80002 AGILENT
Edwards EXT70 Overview:
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.
Gas from the inlet is compressed through each of the bladed stages of the turbomolecular pump and transferred to the drag pump. In the drag pump stages, the gas is further compressed as it is pumped around the channels formed by the separation of the disks. The inlet and outlet of each channel is separated by a close-running seal which diverts the gas through a port to the next channel, or to the pump outlet.
Edwards EXT70 Dimensions (mm):
A&J Vacuum Services offers full repair/service of Edwards Pumps, along with all other brands offered on our website. AJVS also services Edwards Turbo Pumps. 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.
