Metal housing/flange for electrical feedthroughs providing structural support, sealing, and electrical insulation in industrial applications.
A precision-engineered metal component designed as part of an electrical feedthrough system, serving as the primary structural interface between electrical conductors and the surrounding environment. It provides mechanical support for electrical terminals, ensures hermetic sealing to prevent fluid/gas ingress, maintains electrical insulation between conductors and the housing, and facilitates secure mounting to equipment or enclosures. The flange portion typically includes bolt patterns for attachment while the housing section contains insulated passages for conductor routing.
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The primary functions are: providing structural support for electrical terminals, ensuring hermetic sealing between different environments, maintaining electrical insulation between conductors and housing, and enabling secure mounting to equipment.
For high-temperature applications (>500°C), nickel alloys like Inconel or Hastelloy are used with alumina ceramics (99.5% Al2O3) for insulation, capable of withstanding temperatures up to 800°C.
Leak tightness is verified through helium mass spectrometry testing per ISO 15848 standards, typically requiring leak rates below 1×10⁻⁹ mbar·L/s for hermetic applications.
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