CF133 (1.33" O.D.) Titanium Flange

1.33” CF / DN16 Blank Titanium Flanges for UHV/XHV applications. Bored flanges available with weld neck.


  • UHV/XHV rated to 1×10-13 Torr
  • Rotatable and fixed geometries
  • Tapped or clearance bolt holes
  • Conflat® compatible design
  • Custom flanges also available


  • Materials
    • Flange Body / Rotatable Housing: Grade 2 Titanium
    • Ti Flange Gaskets: 1100 or 1050 Aluminum
    • Bolts: 300 SS silver plated or Titanium
  • Fastening
    • Bolt Type: Socket head screws
    • Nut Type: Hexagonal or two hole plate nuts
  • Vacuum Range: 1×10-13 Torr
  • Temperature Range: -200°C to 150°C

Titanium Benefits

  • Titanium is magnetically invisible.
  • Grade 2 Ti has 25% more yield strength than 6061-T6 aluminum.
  • The Young’s modulus of grade 2 Ti is approximately ½ that of stainless steel. This means better vibration dampening.
  • The thermal conductivity of Ti is 40% better than stainless.
  • Ti has at least 7 orders of magnitude less Hydrogen than stainless steel.
  • Low-z number is advantageous for installation and maintenance under high-radiation levels, compared to stainless steel.
  • High corrosion resistance since the surface oxide layer is chemically stable. Titanium’s corrosion resistance and lack of reactivity makes it the most biocompatible metal.

*Dimensions are in inches unless otherwise specified

Part IDReference NumberA B C D E F Bolt Hole Style Bolt Hole Size/Thread Flange Style Figure 3D CADUnit PriceIn StockQty, Add To Cart
Part IDLOS5023000Reference NumberCF133-000-TIA 1.33B -C -D 0.3E -F 1.06Bolt Hole Style ClearanceBolt Hole Size/Thread 0.17Flange Style FixedFigure 13D CADLoginUnit PriceRequest a QuoteContact
Part IDLOS5023005Reference NumberCF133T-000-TIA 1.33B -C -D 0.3E -F 1.06Bolt Hole Style ThreadedBolt Hole Size/Thread 8-32Flange Style FixedFigure 13D CADLoginUnit PriceRequest a QuoteContact