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parts plus spares.
Edwards plus other manufacturers

Edwards full parts and spares list
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Edwards 3000 vacuum pump
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Edwards 1900 vacuum pump
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Edwards GV400 vacuum pump
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Edwards Blowers (Rootes pumps)
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Full parts and spares list
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Edwards Blowers (Rootes pumps):
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Edwards e2m2 vacuum pump
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Edwards e1m5 vacuum pump
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Edwards e2m5 vacuum pump
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Edwards e1m8 vacuum pump
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Edwards e2m8 vacuum pump
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Edwards e2m12 vacuum pump
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Edwards e1m18 vacuum pump
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Edwards e2m18 vacuum pump
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Edwards e2m28 vacuum pump
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Edwards e2m30 vacuum pump
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Edwards e1m40 vacuum pump
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Edwards e2m40 vacuum pump
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Edwards e1m80 vacuum pump
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Edwards e2m80 vacuum pump
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Edwards e1m175 vacuum pump
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Edwards e2m175 vacuum pump
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Edwards e1m275 vacuum pump
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Edwards e2m275 vacuum pump
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EH250 blower
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EH500A blower
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EH1200 blower
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EH2600 blower
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EH4200 blower
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Edwards Turbo pumps
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Edwards Speedivalves
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Edwards Vacuum pumps:
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RV3 Vacuum pump
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RV5 Vacuum pump
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RV8 Vacuum pump
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RV12 Vacuum pump
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Edwards Hook and claw pumps
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Edwards scroll pumps
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Edwards GV Series
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Edwards GVM Series
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Edwards EM Series Oil pumps
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Edwards drystar pumps
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Edwards vacuum oils:
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edwards 8A oil
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edwards supergrade A
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edwards 17 oil
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edwards 20 oil
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edwards 16 oil
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edwards 18 oil
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edwards ultragrade 15
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edwards ultragrade 19
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edwards ultragrade 20
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edwards ultragrade 70
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edwards 45 grade oil
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  Absolute Vacuum present:
Edwards® vacuum Turbomolecular pumps: Edwards® Vacuum EXT Accessories - for Edwards® EXT turbo pumps

Edwards® Vacuum - Turbo pumps and accessories


EXT turbomolecular pumps

EXT75DX compound turbomolecular pump
EXT255DX compound turbomolecular pump
EXT255H compound turbomolecular pump
EXT406PX compound turbomolecular pump
EXT556H compound turbomolecular pump


Turbomolecular pump controllers

Edwards Vacuum: EXC controllers
Edwards Vacuum: TIC turbo controller
Edwards: TIC turbo & instrument controller


EXT accessories

Edwards ® EXT accessories
EXT pump to controller cable
EXT ACX air-cooler
EXT BX bakeout band
EXT PRX10 purge-restrictor
EXT TAV vent-valve
EXT Vent-port adaptor
EXT Vibration isolator
EXT VRX vent-restrictor
EXT turbo pump spares


EXPT combined outfits

Edwards EXPT 1 &2 pumping stations


STP magnetically levitated turbomolecular pumps and accessories

Edwards Vacuum - STP turbo pumps
STP-XA4503C turbomolecular pump
STP-iX455 turbomolecular pump
STP301/STP301C turbomolecular pump
STP-L301/STP-L301C turbomolecular pump
STP603/STP603C turbomolecular pump
STP1003/STP1003C turbomolecular pump
STPH301C high performance turbo pump
STPH451C high performance turbo pump
STPA803C "advantage" turbo pump
STPA1303C "advantage" turbo pump
STPA1603C turbomolecular pump
STPA2203C "advantage" turbo pump
STP-XA2703C turbo pump
STP-XA3203C turbo pump


Edwards turbo molecular pumps (turbo vacuum pumps) overview, information and definitions

A turbomolecular pump (TMP)
A compound molecular pump (CMP)
Turbo vacuum pumps - pumping speed
Turbo vacuum pumps - quiescent electrical power
Turbo vacuum pumps - compression ratio
Turbo vacuum pumps - ultimate pressure
Turbo vacuum pumps - bearing and suspension
Turbo vacuum pumps - rotor
Turbo vacuum pumps - motor
Turbo vacuum pumps - corrosive applications
Turbo vacuum pumps - purge port
Turbo vacuum pumps - venting
Turbo vacuum pumps - inlet screen
Turbo vacuum pumps - cooling
Turbo vacuum pumps - scope of supply

Absolute Vacuum present the Edwards® Vacuum EXT range of accessories and spares, for Edwards® EXT turbo pumps


Edwards® EXT accessories and spares, for Edwards®EXT turbo pumps: Absolute Vacuum offer a complete range of Edwards® accessories and spares for the Edwards ® EXT turbo pumps, as detailed below.

Edwards® Vacuum EXT accessories and spares - dimensions

Edwards Vacuum EXT accessories and spares, for Edwards EXT turbo pumps

1 Vibration isolator
2 BX Bakeout band
3 Inlet-flange seal
(supplied with pump)
4 Inlet-screen (supplied with pump)
5 EXT pump
6 Purge port (NW10 adaptor fitted) vent-valve)
7 PRX10 purge-restrictor 13 Bakeout band position
8 Water-cooler (supplied with pump
9 ACX air-cooler (design varies with pump)
10 NW10 vent-port adaptor
11 TAV vent-valve
12 Vent-port (pump supplied with manual

Edwards® Vacuum EXT: Pump-to-controller cable


A pump-to-controller cable  for the Edwards EXC100E & Edwards EXC250E

Product description Part No.
1 m cable D39618010
3 m cable D39618030
5 m cable D39618050

  Edwards® Vacuum EXT: ACX air-cooler

An enclosed electrical fan with fixing bracket

ACX air-cooler carries a 24 V d.c. motor
ACX air-coolr can be powered/controlled EXC/TIC Controller or DX pump.

Product description   | To fit pumps   | Part No.
ACX75   |  EXT75DX   |  B58053075
ACX250H   |  EXT255H, EXT255DX   |  B58053160
ACX555H |  EXT556H B58053561

Edwards® Vacuum EXT: BX bakeout band


Used to increase the rate of degassing of the pump body to achieve faster pump down and lower ultimate pressure. Bakeout bands should only be fitted to CF flanged pumps/intended for use in ultra high vacuum systems.

Product description | To fit pumps | Part No.
BX70, 110 V, 30 W | EXT75DX | B58052040
BX70, 240 V, 30 W | EXT75DX | B58052060
BX250, 110 V, 60 W | EXT255H, EXT255DX | B58052041
BX250, 240 V, 60 W | EXT255H, EXT255DX | B58052061
BX501, 110 V, 100 W | EXT556H | B58052044
BX501, 240 V, 100 W | EXT556H | B58052064

Edwards® Vacuum EXT: PRX10 purge-restrictor

The PRX10 purge-restrictor allows the user to set the flow-rate of purge gas into the EXT pump.

Product description | Part No.
PRX10 purge-restrictor | B58065001

  Edwards® Vacuum EXT: TAV vent-valve

  • 24 V d.c. solenoid operated TAV vent-valves
  • used to vent vacuum system with atmospheric air or dry nitrogen when EXT pump is switched off.
  • TAV vent-valves  supplied with a sintered bronze inlet-filter
  • TAV vent-valves supplied with a riffled hose connector
  • TAV vent-valves supplied with 3 m of electrical cable
  • TAV vent-valves  supplied with DN10NW adaptor.
  • TAV vent-valves  can be powered/controlled  via EXC Controller.

Edwards® vacuum EXT: TAV vent valve dimensions

Edwards Vacuum EXT: TAV vent-valve

Product description | Part No.
TAV5 vent-valve | B58066010
TAV6 vent-valve | B58066020

Edwards® Vacuum EXT: Vent-port adaptor

  • 1/8 inch BSP male to DN10NW adaptor. Intended as replacement for the TAV5 vent-valve or the manual vent-valve fitted to the EXT pumps.
  • Allows the threaded vent-port on the pump (and purge-port of EXT255H and EXT556H) to be converted to a DN10NW flange.
  • Supplied with a removable flow-restrictor
  • Supplied with O-ring to seal the adaptor to the pump.

Product description Part No.
Vent-port adaptor B58066011

Edwards® Vacuum EXT: VIbration isolator

  • Reduces the transmission of vibration generated by the pump to your vacuum system.
  • Vibration isolator has two flanges separated by a flexible stainless steel bellows
  • Vibration isolator has an outer rubber anti-vibration collar
  • Vibration isolator designed for vertically mounted pumps

To fit pump |  Part No.
DN63CF | B58101000
DN63ISO-K | B58115000
DN100ISO-K | B58120000
DN160ISO-K | B58125000
DN100CF | B58105000
DN160CF | B58110000

Edwards® Vacuum EXT: VRX vent-restrictor

  • VRX vent-restrictor used if pump is vented when pump speed is above 50%.
  • Vent-restrictor restricts the flow-rate of the vent gas into the EXT pump.
  • To obtain a different purge rate, the VRX can be used to replace the standard restrictor
  • Vent-restrictor can be fitted to the TAV vent-valve
  • Vent-restrictor can be fitted to the vent-port adaptor
  • Vent-restrictor can be fitted directly to the vent or purge port of the EXT255H and EXT255DX pumps.
VRX vent-restrictor Orifice diameter (mm) Part No.
VRX10 0.1 B58066021
VRX20 0.2 B58066022
VRX30 0.3 B58066023
VRX50 0.5 B58066024
VRX70 0.7 B58066025

Edwards® vacuum EXT turbo pump spares


 Edwards® EXT turbo pump spare

Product Description Turbo pump typeTo fit inlet flange size Part No.
Inlet flange seals
DN40NW Co-Seal, fluoroelastomer
DN50NW Co-Seal, fluoroelastomer
ISO63 Trapped O-ring, fluoroelastomer
ISO100 Trapped O-ring, fluoroelastomer
ISO160 Co-Seal, fluoroelastomer
63CF copper compression gasket (pack of 10)
100CF copper compression gasket (pack of 10)
160CF copper compression gasket (pack of 5)

B27158453
B27158466
B27158170
B27158171
B27158074
C10007490
C10009290
C10011290
ISX inlet-screen
ISX100/6
ISDX63/4
ISHX160/8C
ISHX160/8F

EXT255H, EXT255DX
EXT75DX
EXT556H (coarse)
EXT556H (fine)

DN100ISO-K, DN100CF
DN63ISO-K, DN63CF
DN160ISO-K, DN160CF
DN160ISO-K, DN160CF

B58051001
B72240860
B58051007
B58051008
WCX water-cooler
WCX250M
WCX250
WCX555H

EXT255H, EXT75DX,
EXT255DX
EXT556H
 
B73501164
B73600121
B58067003