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CF 4.5″ viewport 3D model
Viewports and feedthroughs

CF 4.5″ viewport

1 × CF 4.5″ (DN63CF) ConFlat flange and 36.7 cm² of wetted surface.

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Blanks seal a port; their inside face still counts as surface area for outgassing in the pumpdown simulation.

Specifications

TypeViewport
Flanges1 × CF 4.5″ (DN63CF) ConFlat (CF), knife-edge, copper gasket
Ports1
Internal gas volume—
Wetted surface area36.7 cm²
MaterialStainless 304
Overall size113 × 17 × 113 mm
Outgassing (unbaked, 1 h)6.0e-9 Torr·L/s/cm²
Simulation-readyNot yet

Volume and surface area are computed from the CAD model's enclosed gas space. Material outgassing values are typical published figures.

Parts that mate with CF 4.5″ flanges

CF 4.5″ 6-port box chamber CF 4.5″ 6-port box chamberCF 4.5″ · 737 cm³CF 4.5″ blank flange CF 4.5″ blank flangeCF 4.5″CF 4.5″ to CF 2.75″ reducer CF 4.5″ to CF 2.75″ reducerCF 4.5″ / CF 2.75″ · 143 cm³CF 6.0″ to CF 4.5″ reducer CF 6.0″ to CF 4.5″ reducerCF 6.0″ / CF 4.5″ · 556 cm³CF 10.0″ to CF 4.5″ reducer CF 10.0″ to CF 4.5″ reducerCF 10.0″ / CF 4.5″ · 406 cm³CF 10.0″ to CF 4.5″ zero-length reducer CF 10.0″ to CF 4.5″ zero-length reducerCF 10.0″ / CF 4.5″ · 119 cm³CF 4.5″ zero-length reducer CF 4.5″ zero-length reducerCF 4.5″ · 58 cm³CF 4.5″ to CF 2.125″ zero-length reducer CF 4.5″ to CF 2.125″ zero-length reducerCF 4.5″ / CF 2.125″ · 14 cm³