Non-invasive, ATEX approved, reusable burst detection

Vent-Tel is a non-invasive and fail-safe burst detection system. Operating via a simple N/O reed switch and magnet technology, the detector can trigger a safe and rapid shutdown of the process should an overpressure event occur.

Sanitary applications

Vent-Tel can be fitted to the full range of Elfab’s sanitary discs, including our innovative rupture disc solution, Pure-Gard. The detector is an independent, reusable solution mounted directly to the Tri-Clamp, making disc inspection and replacement quick and simple.

In addition, as Vent-Tel is non-invasive to the process, it does not need to be replaced after a pressure event: it remains in situ and connected to the control system. It can be reused with the new, replacement disc.

Vent-Tel is compatible with ferrule and NAC/PAD type connections.

Explosion vents

When fitted to explosion panels, Vent-Tel (previously known as Panel Flo-Tel) provides an instantaneous signal of panel actuation within any application. Being non-invasive, Vent-Tel is not susceptible to process change or false signals and does note affect the panel’s performance. Vent-Tel can also be retrofitted to our range of explosion panels.

Key features

  • Intriniscally safe
  • ATEX approved to category II 1 GD EEx ia IIC
  • EC-Type Examination Certificate ITS03 ATEX 11359
  • Temperature range of -100°C to 200°C
  • Non-invasive design: sensor is not in contact with the process medium.
  • Can be supplied integral to the vent or retro-fitted to an existing installation


Technical downloads (DET-FLO-TEL-VNT)

Technical information
Installation guide


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