Vacuum Assembler Open the assembler
Vacuum Assembler › Parts › CF 2.125″ 4-way cross
CF 2.125″ 4-way cross 3D model
Crosses

CF 2.125″ 4-way cross

4 × CF 2.125″ (DN25CF) ConFlat flanges, 74.4 cm³ of internal volume and 136.5 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

Type4-way cross
Flanges4 × CF 2.125″ (DN25CF) ConFlat (CF), knife-edge, copper gasket
Ports4
Internal gas volume74.4 cm³ (0.074 L)
Wetted surface area136.5 cm²
MaterialStainless 304
Overall size104 × 104 × 53 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 2.125″ 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