100000, 1.33" (DN16CF 34mm) Mini ConFlat Flange, Rotatable, Blank, Clearance, 304ss

$16.00
SKU
100000
Availability : In Stock

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More Information

More Information
Weight 0.250000
Bolt Hole Diameter 0.172 inch
Material 304SS (1.4301 | UNS S30400) Stainless Steel
Number of Bolt Holes 6
Bolt Hole Type Clearance
Flange Geometry Rotatable
Flange Size 1.33" (1 1/3") | DN16CF 34mm Mini
Flange Type Del-Seal CF ConFlat

The reliable sealing performance of MDC’s Del-Seal™ CF flanges is a result of a unique seal design and geometry which  “captures” a metal gasket material.  When a flat OFE copper gasket is pressed between the conical sealing edges of two Del-Seal™ CF flanges, a lateral cold flow of the gasket material occurs.  his cold flow is limited by a vertical flange wall or capture groove that is concentric to the sealing knife edge. Further material flow away from the seal area is severely limited and high interface pressures are developed. These pressures cause gasket material to fill minor surface imperfections and produce a highly reliable seal. At high temperatures, the “capturing” geometry maintains high pressures despite softening of the gaskets. Del-Seal™ CF flanges can be baked to 450°C and cooled to -200°C and are suitable for vacuum service levels of 1x10-13 Torr. They are ideally suited for the rigorous demands of ultrahigh vacuum environments and capable of maintaining seal integrity through high temperature excursions.  Del-Seal™ CF flanges are 100% compatible with the equivalent Varian Conflat® metal seal flanges.

Del-Seal™ CF flanges are classified as genderless flanges,  since the seal geometries on both mating flanges are identical. They are available in both rotatable and nonrotatable geometries with clearance or threaded bolt holes,  and for standard tube sizes from .250 to 14.0 inches in diameter. Male and female wire seal flange set www.mdcprecision.com MDC discourages resealing a Del-Seal™ CF flange with a previously used metal gasket and strongly recommends the installation of a new metal gasket every time a flange is fastened.  When flange fasteners are tightened to their specified sealing torques a gap will remain between the mating flanges, this is normal and desirable. Tightening the flanges metal-to-metal is not necessary to achieve a UHV hermetic seal.

OFE copper,  which stands for “Oxygen Free Electronic or Electrolytic grade Copper”, is the metal gasket material of choice for most UHV sealing applications. For special applications which preclude the use of pure copper,  various metal gasket materials including nickel, aluminum and silver plated copper are also available. MDC can also provide specialized elastomer gaskets made of DuPont Dow Elastomers Viton® material. These can be used within existing UHV systems fitted with MDC DelSeal™ CF flanges and allow frequent and repeated assembly and disassembly. These elastomer gaskets have rectangular cross sections and fit within the standard knife edge seal geometry of a Del-Seal™ CF metal seal flange. Note that the use of elastomer gasket seals in metal seal flanges will reduce the system’s minimum and maximum temperatures and its vacuum ratings to -20°C,  150°C and 1x10-8 Torr, respectively. The torque required to make a leak tight seal with an elastomer gasket will be reduced to 7-10 lb-ft.

  • UHV rated to 1x10-13 Torr or 10-13 mbar 
  • High temperature rated to 450°C 
  • ConFlat® compatible design

Material                            304 stainless steel (304ss | 1.4301)

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

Temperature Range      -200°C to 450°C

Weight                              1/4 lb or 0.1 kg maximum

Dimensions                     1.33" OD  (1 1/3" OD) | 33.8mm OD 

Reference                        F133000R

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