KF25 Vacuum Viewport

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KF Vacuum Viewports are used to view the interior of the vacuum chamber and view the process and/or manipulation.

Manufactured from: 304L stainless steel. Helium Leak tested to 10-10 mbar. KF Vacuum Viewports are supplied in a sealed plastic bag with protective plastic caps.

The KF Vacuum Viewports are manufactured to the KF Standard and are compatible with other supplier’s product.

Bakeable up to 150°C at not greater than 2-3 °C per minute
Wide range of KF Elbows, KF Crosses, KF Tees, KF Flanges & KF Adapters are available
Tubulated Vacuum Flanges are available for welding to a stainless steel tube
Vacuum rating 1×10-8 mbar

Not Available For Sale

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  • Material
  • Viewport Optic

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SKU: VPZ25K
KF Vacuum Viewports
FlangeSize: KF25
Material: 304L
Viewport Optic: Corning 7056 glass Kodial

Terms and Conditions
Shipping: Standard off-the-shelf stock items will be delivered within 3-5 working days. Non-stock and bespoke products will be advised on an individual basis.


If you require any additional information regarding this product please contact us via the form below or call us on +44 (0) 1424 447726