Vacuum Assembler › Parts › CF 4.625″ × CF 3.375″ reducing 4-way cross
Crosses
CF 4.625″ × CF 3.375″ reducing 4-way cross
2 × CF 3.375″ (DN50CF), 2 × CF 4.625″ ConFlat flanges, 988.8 cm³ of internal volume and 621.1 cm² of wetted surface.
Its internal volume and surface area feed the pumpdown simulation, and its 3D characterization sets how it affects pumping speed.
Specifications
| Type | × CF 3.375″ reducing 4-way cross |
|---|---|
| Flanges | 2 × CF 3.375″ (DN50CF), 2 × CF 4.625″ ConFlat (CF), knife-edge, copper gasket |
| Ports | 4 |
| Internal gas volume | 988.8 cm³ (0.989 L) |
| Wetted surface area | 621.1 cm² |
| Material | Stainless 304 |
| Overall size | 117 × 184 × 189 mm |
| Outgassing (unbaked, 1 h) | 6.0e-9 Torr·L/s/cm² |
| Simulation-ready | Yes, 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.