Flange, 152mm x 108mm (6" x 4.25"), Blank, 304ss

In stock


  • 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 ( 1.430 I) 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                              5.5lb or 2.5kg maximum

Dimensions                     5.97”OD x 3.81” ID; 152mmOD x 104mmID maximum

More Information

More Information
Weight 0.600000
Material 304SS (UNS S30400) Stainless Steel
Number of Holes 18
Bolt Hole Type Clearance
Flange Geometry Non-Rotatable
Flange Size 6.00 Inch OD (DN100CF)
Flange Type Del-Seal CF
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