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Atlas Technologies
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Bimetal Face Seal Fittings

Aluminum tube fittings with stainless-steel face-seals

Atlas ATCR™ Bimetal Face-Seal Fittings feature a durable stainless steel sealing face metallurgically bonded to an aluminum body. Swagelok VCR® and Parker-Hannifin VacuSeal® compatible. 


Product Specifications

Atlas ATCR™ Bimetal Face-Seal Fittings enable robust, demountable use of aluminum tubing in cryogenic, physics, and semiconductor applications worldwide. They are offered in socket weld, butt weld, male weld, and chamber mount configurations. While fully compatible with Swagelok VCR® and Parker-Hannifin VacuSeal® fittings, our fittings are especially well suited for use in applications where high thermal conductivity and high chemical resistance is required, or where any of the advantageous physical properties of aluminum are desired. 

Applications

  • Cryogenics systems
  • Physics research
  • Semiconductor manufacturing

Specifications

  • Fully compatible with Swagelok VCR® and Parker-Hannifin VacuSeal® fittings
  • Socket, butt, male, and chamber mount geometries are available in 0.25”, 0.375”, 0.5”, 0,75” and 1” tube diameters
  • Standard chamber mount fittings are 1.25” long, making them suitable for chamber wall thicknesses up to 1.25”
  • Chamber mount fittings can be cut to fit thinner walls

Materials

  • Body/Weld Interface: aluminum 6061-T6
  • Seal-Face: stainless steel 316L
    • commercially pure titanium (custom )
  • Rotatable Nut: stainless Steel 316

Environmental

  • Vacuum: Leak tested to <1 x 10-9 cc/sec of He

Thermal

  • Temperature, Peak: 300ºC (During weld-up)
  • Temperature, Operational: -200ºC to 250ºC

Mechanical - Bonded Interface

  • Tensile: 15,00psi (103MPa)
  • Shear: 10,000psi (69MPa)
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