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CF 2.75″ blank flange (F0275X000N) 3D model
Blank flanges

CF 2.75″ blank flange

F0275X000N: 1 × CF 2.75″ (DN40CF) ConFlat flanges and 18.3 cm² of wetted surface.

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Blanks seal a port; their inside face still counts as surface area for outgassing in the pumpdown simulation.

Specifications

TypeBlank flange
Catalog IDF0275X000N
Flanges1 × CF 2.75″ (DN40CF) ConFlat (CF), knife-edge, copper gasket
Ports1
Internal gas volume—
Wetted surface area18.3 cm²
MaterialStainless 304
Overall size69 × 69 × 13 mm
Outgassing (unbaked, 1 h)6.0e-9 Torr·L/s/cm²
Molecular transmission dataNot yet

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″ 6-port chamber CF 2.75″ 6-port chamberCU6-0275M · CF 2.75″ · 172 cm³