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Since 1963 VACGEN have been supplying the Research and Scientific community with ultra-high vacuum equipment. With our long history of designing and developing core UHV components, we have been the partners of choice for leading institutes around the world. If you cannot find the product you are looking for in our catalogue components then please contact us on sales@vacgen.com and we will be happy to assist.

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  1. 11 Way 5A DN38CF Feedthrough
    SKU: ZEFT16
    4 to 6 weeks delivery
    £359.35
    Instrumentation feedthroughs are used to carry electrical signals (Including Thermocouple) which are normally low current and/or voltage. These feedthroughs are available in multi pin versions on either 34mm or 70mm OD flanges. These also come with the option of a European voltage compliant connectors
  2. 11 Way Insulated Centre Pin 5A DN38CF Feedthrough
    SKU: ZEFT17
    4 to 6 weeks delivery
    £401.63
    Instrumentation feedthroughs are used to carry electrical signals (Including Thermocouple) which are normally low current and/or voltage. These feedthroughs are available in multi pin versions on either 34mm or 70mm OD flanges. These also come with the option of a European voltage compliant connectors
  3. 3 Way 40A 15Kv DN38CF Feedthrough
    SKU: ZEFT3A
    £510.13
    Instrumentation feedthroughs are used to carry electrical signals (Including Thermocouple) which are normally low current and/or voltage. These feedthroughs are available in multi pin versions on either 34mm or 70mm OD flanges. These also come with the option of a European voltage compliant connectors
  4. 4 Way 40A 15Kv DN38CF Feedthrough
    SKU: ZEFT34A
    £691.48
    Instrumentation feedthroughs are used to carry electrical signals (Including Thermocouple) which are normally low current and/or voltage. These feedthroughs are available in multi pin versions on either 34mm or 70mm OD flanges. These also come with the option of a European voltage compliant connectors
  5. 70mm OD - 304L Fixed Blank CF Flange
    SKU: CF70
    £11.06
    Fixed blank Conflat flange (CF) are available in the full range of sizes. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  6. 70mm OD - 304L Rotable Blank CF Flange
    SKU: CFR70
    £15.72
    Rotatable blank Conflat flange (CF) consists of two parts, the inner knife edge detail and the outer bolt hole retaining ring which rotates around the inner part. This allows the boltholes to align to mating flanges in any orientation. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  7. 70mm OD - 304L Tapped Fixed Blank CF Flange
    SKU: CF70T
    £15.72
    Fixed blank Conflat flange (CF) are available in the full range of sizes. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  8. 70mm OD - 316LN (2D) Fixed Blank CF Flange
    SKU: CF70-LN
    £23.49
    Fixed blank Conflat flange (CF) are available in the full range of sizes. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  9. 70mm OD - 316LN (2D) Rotable Blank CF Flange
    SKU: CFR70-LN
    4 to 6 weeks delivery
    £64.08
    Rotatable blank Conflat flange (CF) consists of two parts, the inner knife edge detail and the outer bolt hole retaining ring which rotates around the inner part. This allows the boltholes to align to mating flanges in any orientation. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  10. 70mm OD - 316LN (2D) Tapped Fixed Blank CF Flange
    SKU: CF70T-LN
    £69.67
    Fixed blank Conflat flange (CF) are available in the full range of sizes. These are used to blank off unused chamber ports for leak-tight assembly, also allowing End User machining for non standard tube sizes or components.
  11. 70mm OD 41mm ID - 304L Fixed Bored CF Flange
    SKU: CF70-41
    £11.07
    Fixed bored Conflat flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components.
  12. 70mm OD 41mm ID - 304L Rotable Bored CF Flange
    SKU: CFR70-41
    £21.14
    Rotatable bored Conflat Flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components. The rotatable flange consists of two parts, the inner knife edge detail and the outer bolt hole retaining ring which rotates around the inner part.
  13. 70mm OD 41mm ID - 304L Tapped Bored CF Flange
    SKU: CFR70T-41
    £23.30
    Rotatable bored Conflat Flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components. The rotatable flange consists of two parts, the inner knife edge detail and the outer bolt hole retaining ring which rotates around the inner part.
  14. 70mm OD 41mm ID - 304L Tapped Fixed Bored CF Flange
    SKU: CF70T-41
    £15.99
    Fixed bored Conflat flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components.
  15. 70mm OD 41mm ID - 316LN (2D) Fixed Bored CF Flange
    SKU: CF70-41-LN
    £29.65
    Fixed bored Conflat flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components.
  16. 70mm OD 41mm ID - 316LN (2D) Rotable Bored CF Flange
    SKU: CFR70-41-LN
    £55.31
    Rotatable bored Conflat Flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components. The rotatable flange consists of two parts, the inner knife edge detail and the outer bolt hole retaining ring which rotates around the inner part.
  17. 70mm OD 41mm ID - 316LN (2D) Tapped Fixed Bored CF Flange
    SKU: CF70T-41-LN
    4 to 6 weeks delivery
    £26.04
    Fixed bored Conflat flange (CF) are available in the full range of sizes. The smaller range of flange can accept a number of different standard tube sizes. These are prepared ready for welding onto chamber tubulations or components.
  18. 70mm to 34mm OD 304L Zero Length Bored Adaptors
    SKU: CFZL70-34
    £44.15
    Zero Length Adaptor conflat Flange (CF) are used to adapt from one flange size to another. The larger flange OD has through bolt holes enabling ordinary nut and bolt to be used. The smaller flange OD has metric tapped holes. This connects different sizes of flanges where there is limited space and does not increase the chamber volume.
  19. 70mm to 34mm OD 316LN (2D) Zero Length Bored Adaptors
    SKU: CFZL70-34-LN
    £114.91
    Zero Length Adaptor conflat Flange (CF) are used to adapt from one flange size to another. The larger flange OD has through bolt holes enabling ordinary nut and bolt to be used. The smaller flange OD has metric tapped holes. This connects different sizes of flanges where there is limited space and does not increase the chamber volume.
  20. All Metal Body Right Angled Viton® Sealed Valve - 2 x Rotatable DN41
    SKU: ZVR40R
    £475.61
    The VR valves are right angled general purpose UHV valves with a cycle usage minimum of 100,000 activations. The bonnet (top) seal of the valve is welded on the VR series.
  21. All Metal Manual Right Angle Valve - 2 x Rotatable DN41CF
    SKU: ZCR40R
    4 to 6 weeks delivery
    £615.62
    Right angle all metal valve, offering good conductance. The CR series comes with two body types, fully welded CR series or demountable CRD series.
  22. All Metal Manual Right Angle Valve Demountable - 2 x Rotatable DN41CF
    SKU: ZCRD40R
    £666.15
    Right angle all metal valve, offering good conductance. The CR series comes with two body types, fully welded CR series or demountable CRD series.
  23. Bearing Cage Sets MLRM/MLRV 2 Series Front & Rear
    SKU: MLRMBRK
    4 to 6 weeks delivery
    £490.09
    Spares for Mag Probes
  24. Bearing Replacement Set DPRF25 (New Style) - 2 Bearings
    SKU: ZDPRF25B
    4 to 6 weeks delivery
    £38.20
    DPRF Spares
  25. Cross 4 Way DN38 1 Fixed (Inline) & 1 Rot Per Axis
    SKU: ZBX441RI
    4 to 6 weeks delivery
    £187.71
    Four way cross with flanges equally spaced at 90° to each other. On each axis, one of the flanges is fixed and the other is rotatable. The fixed flange comes in two versions of bolt hole orientation, inline or straddled configuration, enabling the connection in any orientation of the vacuum equipment.
  26. Cross 4 Way DN38 1 Fixed (Straddled) & 1 Rot/Axis
    SKU: ZBX441RS
    4 to 6 weeks delivery
    £227.84
    Four way cross with flanges equally spaced at 90° to each other. On each axis, one of the flanges is fixed and the other is rotatable. The fixed flange comes in two versions of bolt hole orientation, inline or straddled configuration, enabling the connection in any orientation of the vacuum equipment.
  27. Cross 6 Way DN38 1 Fixed (Inline) & 1 Rot/Axis
    SKU: ZBX641RI
    4 to 6 weeks delivery
    £427.63
    Six way cross with flanges equally spaced at 90° to each other. On each axis, one of the flanges is fixed and the other is rotatable. The fixed flange comes in two versions of bolt hole orientation, inline or straddled configuration, enabling the connection in any orientation of the vacuum equipment.
  28. Cross 6 Way DN38 1 Fixed (Straddled) & 1 Rot/Axis
    SKU: ZBX641RS
    4 to 6 weeks delivery
    £427.63
    Six way cross with flanges equally spaced at 90° to each other. On each axis, one of the flanges is fixed and the other is rotatable. The fixed flange comes in two versions of bolt hole orientation, inline or straddled configuration, enabling the connection in any orientation of the vacuum equipment.
  29. Drive Bearing Set All Versions RD1/RD2
    SKU: RD2BS
    4 to 6 weeks delivery
    £471.70
    RD Spares
  30. Drive Bellows Assembly RD1/RD6/RD7
    SKU: RD1BEL
    4 to 6 weeks delivery
    £542.21
    RD Spares
  31. Drive Bellows Assembly RD2
    SKU: RD2BEL
    4 to 6 weeks delivery
    £718.64
    RD Spares
  32. Drive Screw Assembly for LTM100
    SKU: ZLTM100DS
    4 to 6 weeks delivery
    £378.27
    Drive Screw Assembly for LTM100
  33. Drive Screw Assembly for LTM25
    SKU: ZLTM25DS
    4 to 6 weeks delivery
    £274.96
    Drive Screw Assembly for LTM25
  34. Drive Screw Assembly for LTM75
    SKU: ZLTM75DS
    4 to 6 weeks delivery
    £282.01
    Drive Screw Assembly for LTM75
  35. Elbow Curved 2 Rotatable DN38CF
    SKU: ZBE38R
    £74.69
    90° Radius elbows, on each axis, one of the flanges is fixed and the other is rotatable. The fixed flange comes in two versions of bolt hole orientation, inline or straddled configuration, enabling the connection in any orientation of the vacuum equipment.
  36. Flange Tubulated Fixed DN41CF
    SKU: ZBFT41
    4 to 6 weeks delivery
    £208.92
    Flange with tubulation enabling welding without risking conflat knife edge damage. Specifically designed and manufactured for vacuum system designers and manufacturers of vacuum components.
  37. Flange Tubulated Rotatable DN41CF
    SKU: ZBFT41R
    4 to 6 weeks delivery
    £173.36
    Flange with tubulation enabling welding without risking conflat knife edge damage. Specifically designed and manufactured for vacuum system designers and manufacturers of vacuum components.
  38. Flexible Hose Hydra Formed 1 Fix & 1 Rot DN25CF 1000mm OAL
    SKU: ZFX25F10
    4 to 6 weeks delivery
    £229.00
    Flexible connectors are used to compensate for any misalignment between flanges that have to be linked together. On each axis, one of the flanges is fixed and the other is rotatable, enabling the connection in any orientation of the vacuum equipment.
  39. Flexible Hose Hydra Formed 1 Fix & 1 Rot DN25CF 430mm OAL
    SKU: ZFX25F
    4 to 6 weeks delivery
    £259.82
    Flexible connectors are used to compensate for any misalignment between flanges that have to be linked together. On each axis, one of the flanges is fixed and the other is rotatable, enabling the connection in any orientation of the vacuum equipment.
  40. Flexible Hose Hydra Formed 1 Fix & 1 Rot DN25CF 750mm OAL
    SKU: ZFX25F7
    4 to 6 weeks delivery
    £212.50
    Flexible connectors are used to compensate for any misalignment between flanges that have to be linked together. On each axis, one of the flanges is fixed and the other is rotatable, enabling the connection in any orientation of the vacuum equipment.
  41. Flexible Hose Hydra Formed 1 Fix & 1 Rot DN38CF 1000mm OAL
    SKU: ZFX38F10
    4 to 6 weeks delivery
    £181.72
    Flexible connectors are used to compensate for any misalignment between flanges that have to be linked together. On each axis, one of the flanges is fixed and the other is rotatable, enabling the connection in any orientation of the vacuum equipment.
  42. Flexible Hose Hydra Formed FC38 450mm OAL
    SKU: ZFX38F
    4 to 6 weeks delivery
    £72.87
    Flexible connectors are used to compensate for any misalignment between flanges that have to be linked together. On each axis, one of the flanges is fixed and the other is rotatable, enabling the connection in any orientation of the vacuum equipment.
  43. Gasket OFHC Copper Pk 10 70 OD Flange Etched
    SKU: ZCU38
    Super clean ultra high quality oxygen free surface etched copper gaskets for use in UHV application where there are no compromises in quality. These are rumbled to remove all the burrs, etched to remove surface skin, UHV cleaned and individually packed.
  44. Gasket OFHC Copper Pk 10 70 OD Flange Silver Plated
    SKU: ZCUSP38
    Super clean ultra high quality oxygen free Silver plated gasket. These are rumbled to remove all the burrs, etched to remove surface skin prior to silver plating, UHV cleaned and individually packed. Completely free from any nickel flash base coat. Recommended for use in HV & UHV systems where the vacuum environment could oxidise a plain copper gasket.
  45. Gasket OFHC Copper Pk 5 70 OD Flange Annealed Etched
    SKU: ZCUA38
    Super clean ultra high quality oxygen free annealed copper gaskets for lower tightening torque to make a UHV leak tight seal. These are rumbled to remove all the burrs, UHV cleaned and individually packed. Recommended for use where you are using zero length viewports and fragile ceramic feedthroughs.
  46. Gasket OFHC Copper Pk 50 70 OD Flange Unetched
    SKU: ZCUC38
    High quality oxygen-free copper gaskets for university and commercial use. These are rumbled to remove all the burrs, UHV cleaned and individually packed. Designed for UHV applications where high usage or bulk purchase pricing is required.
  47. Gasket Viton® Pk 2 70 OD Flange
    SKU: ZVIT38
    Viton® gaskets are used in HV applications with low bakeout temperatures (
  48. Head Sublimation Pump - 3 Filament DN38CF
    SKU: ZST22
    £685.24
    The Titanium Sublimation Pump is a true UHV pump. It is used to supplement the pumping action of other UHV pumps, (normally Ion Pumps) as it can be more effective at pumping certain gases. The main advantages of this type of pump is, it is a simple, low cost solution, that gives you high pumping speeds.
  49. Kodial 304L DN38CF Viewport
    SKU: ZVPZ38
    £78.56
    A zero length viewport has a thickness no larger than that of its mounting flange. This makes it easier to protect from accidental damage. It provides the best angle of view as there are no tubulation walls to restrict observation. Kodial viewports are offered in CF flange styles. The viewports comprise borosilicate glass optic which is sealed to a Kovar weld ring using an induction heater process. The optic assemblies are helium leak tested and cleaned for ultra high vacuum (UHV) conditions.
  50. Kodial 316LN DN38CF Viewport
    SKU: ZVPZL38
    4 to 6 weeks delivery
    £198.27
    A zero length viewport has a thickness no larger than that of its mounting flange. This makes it easier to protect from accidental damage. It provides the best angle of view as there are no tubulation walls to restrict observation. Kodial viewports are offered in CF flange styles. The viewports comprise borosilicate glass optic which is sealed to a Kovar weld ring using an induction heater process. The optic assemblies are helium leak tested and cleaned for ultra high vacuum (UHV) conditions.
  51. Linear Drive 100mm Travel Step Motor+Lim Switch Wired DN38CF
    SKU: ZLD210MM
    4 to 6 weeks delivery
    £1,738.28
    Linear Drive 100mm Travel Step Motor+Lim Switch Wired DN38CF
  52. Linear Drive 70mm OD 25mm Z M6 DN38CF Manual
    SKU: ZLTM25
    4 to 6 weeks delivery
    £947.74
    Linear Drive 70mm OD 25mm Z M6 DN38CF Manual
  53. Linear Drive 70mm OD 75mm Z M6 DN38CF Manual
    SKU: ZLTM75
    £991.85
    Linear Drive 70mm OD 75mm Z M6 DN38CF Manual
  54. Linear Drive Manual Push Pull 100 mm Movement DN38CF
    SKU: ZLDP210
    4 to 6 weeks delivery
    £787.98
    Linear Drive Manual Push Pull 100 mm Movement DN38CF
  55. Linear Drive Manual Push Pull 150 mm Movement DN38CF
    SKU: ZLDP215
    4 to 6 weeks delivery
    £826.74
    Linear Drive Manual Push Pull 150 mm Movement DN38CF
  56. Linear Drive Manual Push Pull 25mm Movement DN38CF
    SKU: ZLDP225
    4 to 6 weeks delivery
    £569.56
    Linear Drive Manual Push Pull 25mm Movement DN38CF
  57. Linear Drive Manual Push Pull 50 mm Movement DN38CF
    SKU: ZLDP250
    4 to 6 weeks delivery
    £614.77
    Linear Drive Manual Push Pull 50 mm Movement DN38CF
  58. Linear Drive Manual Screw 25 mm Movement DN38CFLVMPSK
    SKU: ZLDS225
    £816.32
    Linear Drive Manual Screw 25 mm Movement DN38CFLVMPSK
  59. Linear Drive Manual Screw 50 mm Movement DN38CF
    SKU: ZLDS250
    4 to 6 weeks delivery
    £762.35
    Linear Drive Manual Screw 50 mm Movement DN38CF
  60. Linear Drive Pneumatic Push Pull 100 mm Movement DN38CF
    SKU: ZLDP210P
    4 to 6 weeks delivery
    £909.55
    Linear Drive Pneumatic Push Pull 100 mm Movement DN38CF
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