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CF 6.75″ zero-length reducer 3D model
Reducers and adapters

CF 6.75″ zero-length reducer

2 × CF 6.75″ ConFlat flanges, 275.5 cm³ of internal volume and 128 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

TypeZero-length reducer
Flanges2 × CF 6.75″ ConFlat (CF), knife-edge, copper gasket
Ports2
Internal gas volume275.5 cm³ (0.275 L)
Wetted surface area128 cm²
MaterialStainless 304
Overall size171 × 170 × 21 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 6.75″ flanges

CF 6.75″ to CF 2.75″ zero-length reducer CF 6.75″ to CF 2.75″ zero-length reducerCF 6.75″ / CF 2.75″ · 40 cm³CF 6.75″ to CF 3.375″ zero-length reducer CF 6.75″ to CF 3.375″ zero-length reducerCF 6.75″ / CF 3.375″ · 58 cm³CF 6.75″ to CF 4.5″ zero-length reducer CF 6.75″ to CF 4.5″ zero-length reducerCF 6.75″ / CF 4.5″ · 82 cm³CF 6.75″ to CF 6.0″ zero-length reducer CF 6.75″ to CF 6.0″ zero-length reducerCF 6.75″ / CF 6.0″ · 183 cm³CF 6.75″ blank flange CF 6.75″ blank flangeCF 6.75″CF 6.75″ blank flange CF 6.75″ blank flangeCF 6.75″CF 6.75″ blank flange CF 6.75″ blank flangeCF 6.75″CF 6.75″ 4-way cross CF 6.75″ 4-way crossCF 6.75″ · 4,456 cm³