130059, Flange, Del Seal, Conflat Flange, DN250CF, 304mm x 254mm (12" x 10"), Tapped, Non-Rotatable, 304ss

Part Number / SKU
Availability: 3 Weeks
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  • Complies with ISO 3669
  • UHV rated to 1x10-13 Torr or10-13 mbar
  • High temperature rated to 450°C
  • Rotatable and non-rotatable geometries
  • OFE Copper or optional Fluorocarbon-based fluoroelastomer (FKM / FPM) elastomer gaskets
  • Tapped or clearance bolt holes
  • There is widespread incompatibility between different manufacturers' larger sizes of the CF flange No DN International Standard notation exists for CF flange sizes 304mm ( 12") OD and above.


  • Flanges                304ss (1.430I) 
  • Gaskets               OFE copper 
  • Bolts                    Stainless steel 


  • Bolt Type              Hexagonal 
  • Nut Type               Hexagonal
  • Size                       M8 
  • Torque                  20 Nm 


Vacuum range               Below 10-13 mbar 


Temperature range       -200°C to 450°C 


Weight                               4.5 kg | 10 lbs


Dimensions                      304mm OD x 254mm ID | 12" OD x 10" ID

More Information


Weight (lb) 10.00
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