Bimetal Al/SS Wire Seal Flanges

Atlas Wire-Seal Flanges are made from large-area Atlas bonded material. A male and female flange compresses an 0.080 inch diameter OFHC copper wire to effect a seal. A back bevel on the knife-edge improves the seal by making it more tolerant to thermal cycles, as well as enhancing its durability.

These flanges utilize a 316L stainless steel sealing surface to crush a wire gasket and a 6061-T6 aluminum flange body for weld-up to Atlas aluminum chambers. All Wire-Seal Flanges are vacuum tested and guaranteed leak tight to a rate of 1 x 10-9 cc/sec of He prior to shipping.

Applications

• Large vacuum chambers, bell jars and similar systems
• Particle research
• Energy and climate research

Features & Specifications

• Demountable flanges for large sealing surfaces
• Back bevel on knife edge improves tolerance for thermal cycles

Materials

• Standard: aluminum 6061 T6 bonded to 316L stainless steel
• Custom options include aluminum 6061 T6 bonded to titanium grade 2 or all-titanium grade 5 

Features

• Aluminum to stainless bimetallic construction
• 1/3 the weight of stainless steel flanges
• UHV/XHV rated to 1 x 10-13 Torr.
• 100% compatible with third-party stainless wire-seal hardware

Environmental

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

Thermal

• Peak temperature (during weld-up) 300°C
• Operational temperature from -200°C to 250°C

Mechanical - Bonded Interface

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