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CF 2.75″ 6-port chamber 3D model
Chambers

CF 2.75″ 6-port chamber

6 × CF 2.75″ (DN40CF) ConFlat flanges, 172 cm³ of internal volume and 127.6 cm² of wetted surface.

Build a system with this part

Its internal volume and surface area feed the pumpdown simulation, and its 3D characterization sets how it affects pumping speed.

Specifications

Type6-port chamber
Flanges6 × CF 2.75″ (DN40CF) ConFlat (CF), knife-edge, copper gasket
Ports6
Internal gas volume172 cm³ (0.172 L)
Wetted surface area127.6 cm²
MaterialStainless 304
Overall size70 × 70 × 70 mm
Outgassing (unbaked, 1 h)6.0e-9 Torr·L/s/cm²
Simulation-readyYes, characterized from its 3D geometry

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 2.75″ flanges

CF 2.75″ feedthrough CF 2.75″ feedthroughCF 2.75″ · 2 cm³CF 2.75″ blank flange CF 2.75″ blank flangeCF 2.75″CF 2.75″ to CF 1.33″ reducer CF 2.75″ to CF 1.33″ reducerCF 2.75″ / CF 1.33″ · 40 cm³CF 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 2.75″ zero-length reducer CF 6.0″ to CF 2.75″ zero-length reducerCF 6.0″ / CF 2.75″ · 33 cm³CF 2.75″ zero-length reducer CF 2.75″ zero-length reducerCF 2.75″ · 15 cm³CF 2.75″ zero-length reducer CF 2.75″ zero-length reducerCF 2.75″ · 22 cm³CF 2.75″ zero-length reducer CF 2.75″ zero-length reducerCF 2.75″ · 30 cm³