Scientific glass blowing
Tubular glass to metal seals
Manufacturing of filaments and grids
Ball levels indicators for the Aircraft turn
Experts in technical glass sealing

about ctvm

CTVM is the French company specialized in technical glass blowing, the manufacturing of glass to metal seals and hermetic feedthroughs, as well as filaments, filament assemblies and Bayard Alpert gauges.

CTVM : your partner of choice

  • Genuine technical expertise
  • A high level of quality
  • A business size that offers speed of completion
  • The deep experience of its team

CTVM : your partner of trust

  • Leading OEM’s and laboratories trust us
  • Our ability to manage your projects
  • A link of sustainable trust between CTVM and its customers


A new web site for CTVM

Welcome on CTVM new website which is designed to meet your expectations. We have introduced an online catalogue for our standard products...

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A new manufacturing site for CTVM

CTVM is moving into new premises at Collégien - nearby Euro Disney - with two other companies Microcertec and PNL Innotech in a...

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Application Markets

Scientifc research

laboratories, scientific glass blowing...

Analytical & sensors

mass spectrometry, particle accelerators...


high-vacuum, surface and particle physics...


avionics, electron guns...