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CF 2.125″ blank flange 3D model
Blank flanges

CF 2.125″ blank flange

1 × CF 2.125″ (DN25CF) ConFlat flange and 8.6 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

TypeBlank flange
Flanges1 × CF 2.125″ (DN25CF) ConFlat (CF), knife-edge, copper gasket
Ports1
Internal gas volume—
Wetted surface area8.6 cm²
MaterialStainless 316L
Overall size53 × 53 × 12 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 2.125″ flanges

CF 2.125″ blank flange CF 2.125″ blank flangeCF 2.125″CF 2.125″ zero-length reducer CF 2.125″ zero-length reducerCF 2.125″ · 6 cm³CF 2.125″ to CF 1.33″ reducer CF 2.125″ to CF 1.33″ reducerCF 2.125″ / CF 1.33″ · 15 cm³CF 2.125″ to CF 1.33″ zero-length reducer CF 2.125″ to CF 1.33″ zero-length reducerCF 2.125″ / CF 1.33″ · 3 cm³CF 2.75″ to CF 2.125″ reducer CF 2.75″ to CF 2.125″ reducerCF 2.75″ / CF 2.125″ · 47 cm³CF 2.75″ to CF 2.125″ zero-length reducer CF 2.75″ to CF 2.125″ zero-length reducerCF 2.75″ / CF 2.125″ · 7 cm³CF 3.375″ to CF 2.125″ reducer CF 3.375″ to CF 2.125″ reducerCF 3.375″ / CF 2.125″ · 75 cm³CF 3.375″ to CF 2.125″ zero-length reducer CF 3.375″ to CF 2.125″ zero-length reducerCF 3.375″ / CF 2.125″ · 10 cm³