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CF 6.75″ nipple 3D model
Nipples and tubes

CF 6.75″ nipple

2 × CF 6.75″ ConFlat flanges, 2,980.2 cm³ of internal volume and 1,030.3 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

TypeNipple
Flanges2 × CF 6.75″ ConFlat (CF), knife-edge, copper gasket
Ports2
Internal gas volume2,980.2 cm³ (2.98 L)
Wetted surface area1,030.3 cm²
MaterialStainless 304
Overall size171 × 171 × 251 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″ zero-length reducer CF 6.75″ zero-length reducerCF 6.75″ · 275 cm³CF 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″