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SCHOTT Eternaloc™ glass-to-metal-sealed (GTMS) penetrations are also used in other special applications, which secure the energy supply in compressors and pumps for fermentation gas, methane and other critical gases.

We deliver the most reliable, service-free containment penetrators, particularly when highly critical media are involved.

We have the capability to design and manufacture penetrations according to the customer's specifications, in small lots as well as large series:
  • Housing material can be made from stainless steel or other alloys
  • Thermo-couple, coax and triax penetrations can be produced upon request
We use the compression-seal technique for the steel flange with sealed-in nickel-iron or copper conductors. Sealing between the penetration and the counter surface of the electrical device is usually accomplished by an o-ring or a metal seal and can be bolted, screwed or welded.