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NW/KF 25, Style A Viewport (left) and NW/KF 40, Style B Viewport (right)
The NW/KF Viewports consist of a one piece assembly. The viewport assembly replaces a blanking plate and uses a standard NW/KF Centring Assembly and Clamp for sealing (not included). The window size for NW16 and NW25 is 16mm. For NW40 and NW50, the window has a diameter of 38mm. The body is made of stainless steel, the window is made of 7056 borosilicate glass, see transmission curve below. Useful for observing inside vacuum lines or chambers. Temperature range -20C to 200C. Viton seal. Vacuum range down to 1×10-9 Torr.
VVP-KF16-B Viewport with 7056 glass, KF16, style B, A=16mm, B=10mm
VVP-KF25-A Viewport with 7056 glass, KF25, style A, A=16mm, B=10mm
VVP-KF40-B Viewport with 7056 glass, KF40, style B, A=38mm, B=14mm
VVP-KF50-A Viewport with 7056 glass, KF50, style A, A=38mm, B=14mm
Style A
Style B
Glass Transmission Curve. No. 7056 Borosilicate glass, 1mm thick reflection losses included.
Технические характеристики
VVP-KF16-B
