Flange, 10", DN200CF (254mm) Blank, Rotatable, Clearance, 304ss

Availability : 6 weeks
This is our estimated shipping timeline.

This product is currently on back order. Orders are still accepted, but the requested qty will be back ordered.


  • Complies with ISO 3669

  • UHV rated to 1x10-13 Torr mbar

  • High temperature rated to 450°C

  • Rotatable and non-rotatable geometries

  • OFE Copper or optional Viton® elastomer gaskets

  • Tapped or clearance bolt holes

  • Compatible with other manufacturers' Conflat® knife-edge flanges



  • Flanges               304ss (1.4301) or 316EFR (1.4429 ESU)

  • Gaskets                OFE Copper

  • Bolts                  300 stainless steel and 300ss silver Plated


  • Bolt type              Hexagonal or 12-point head

  • Nut type              Hexagonal or two-hole plate nuts

  • Size                  .312-24 UNF or M8

  • Torque                  15 lb-ft or 20 Nm

Vacuum Range                 1x10-13 Torr or below 10-13 mbar

Temperature Range            -2000C to 4500C

Weight                      20lb or 9kg maximum

Dimensions                    9.97” OD x 7.812” ID; 253.3mm OD x 204.7mm ID maximum

More Information

More Information
Weight 20.000000
Bolt Hole Diameter 0.332 inch
Material 304SS (1.4301 | UNS S30400) Stainless Steel
Number of Bolt Holes 24
Bolt Hole Type Clearance
Flange Geometry Rotatable
Flange Size 10" | DN200CF 254mm
Flange Type Del-Seal CF ConFlat
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100032.stp (233.03 kB)
Flange, 10", DN200CF (254mm) Blank, Rotatable, Clearance, 304ss
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