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CF 2.75″ 6-port chamber (CU6-0275M) 3D model
Chambers

CF 2.75″ 6-port chamber

CU6-0275M: 6 × CF 2.75″ (DN40CF) ConFlat flanges, 172 cm³ of internal volume and 127.6 cm² of wetted surface.

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Its internal volume and surface area feed the pumpdown simulation, and its measured transmission probabilities set its molecular conductance in the pumping-speed simulation.

Specifications

Type6-port chamber
Catalog IDCU6-0275M
Flanges6 × CF 2.75″ (DN40CF) ConFlat (CF), knife-edge, copper gasket
Ports6
Internal gas volume172 cm³ (0.172 L)
Wetted surface area127.6 cm²
MaterialStainless 304
Overall size70 × 70 × 70 mm
Outgassing (unbaked, 1 h)6.0e-9 Torr·L/s/cm²
Molecular transmission dataYes: Monte Carlo port-to-port transmission probabilities

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 2.75″ flanges

CF 2.75″ 4-way cross CF 2.75″ 4-way crossC-0275 · CF 2.75″ · 210 cm³CF 2.75″ × CF 1.33″ reducing 4-way cross CF 2.75″ × CF 1.33″ reducing 4-way crossC-0275-133 · CF 2.75″ / CF 1.33″ · 133 cm³CF 2.75″ 5-way cross CF 2.75″ 5-way crossC5-0275 · CF 2.75″ · 253 cm³CF 2.75″ 6-way cross CF 2.75″ 6-way crossC6-0275 · CF 2.75″ · 297 cm³CF 2.75″ vacuum gauge CF 2.75″ vacuum gaugeCCPG-H2-3 · CF 2.75″CF 2.75″ to CF 1.33″ reducer CF 2.75″ to CF 1.33″ reducerCRN275X133 · CF 2.75″ / CF 1.33″ · 40 cm³CF 4.5″ to CF 2.75″ reducer CF 4.5″ to CF 2.75″ reducerCRN450X275 · CF 4.5″ / CF 2.75″ · 143 cm³CF 2.75″ blank flange CF 2.75″ blank flangeF0275X000N · CF 2.75″