Vacuum Assembler › Parts › CF 4.5″ nipple
Nipples and tubes
CF 4.5″ nipple
2 × CF 4.5″ (DN63CF) ConFlat flanges, 603.8 cm³ of internal volume and 437.5 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 | Nipple |
|---|---|
| Flanges | 2 × CF 4.5″ (DN63CF) ConFlat (CF), knife-edge, copper gasket |
| Ports | 2 |
| Internal gas volume | 603.8 cm³ (0.604 L) |
| Wetted surface area | 437.5 cm² |
| Material | Stainless 304 |
| Overall size | 114 × 114 × 210 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.