Explosion Protection – Thorwesten Vent

Thorwesten Vent logo – explosion protection

ROXX TECH is the representative of Thorwesten Vent GmbH in Poland. We supply constructional dust explosion protection systems, install and commission them, and carry out their annual inspections in explosion-hazard areas.

Thorwesten Vent products

  • Self-closing explosion vents – safely relieve explosion pressure and then close automatically. They are reusable, so the plant can quickly return to production.
  • Flameless venting systems – for equipment inside buildings where flames cannot be vented outside.
  • Venting ducts – safe discharge of the pressure wave out of the building.

Benefits of self-closing vents

  • After venting, no atmospheric oxygen enters the equipment – lower risk of secondary fire.
  • Inert extinguishing gas does not escape.
  • High venting efficiency.
  • Silo protection against implosion as well.
  • Optional trace heating against icing and snow load.
  • Little or no downtime.

Certificates and standards

  • Certified to ATEX 2014/34/EU.
  • Vent sizing according to EN 14491 and NFPA 68.

Applications

  • Asphalt plants – including pulverised coal systems.
  • Cement and lime plants – coal mills with filters, pulverised coal silos.
  • Sugar factories and the food industry – dryers, cyclones, process filters and silos.
  • Alternative fuel and biomass storage – enclosed silos with potentially explosive atmospheres.
  • Pipelines and interconnected equipment – limiting flame propagation.

Annual inspection

Regular inspection ensures the system will work when it matters. It includes:

  1. Simulation of the electronic system – testing sensors and signalling.
  2. Condition assessment of mechanical components – checking wear, corrosion and damage.
  3. Adjustment of function-critical components – restoring full functionality of the vents.
  4. Inspection report – documentation for the operator.

Our technicians are trained by TÜV NORD.

Full support

  • System design and selection.
  • Installation or installation supervision.
  • Commissioning.
  • Spare parts.
  • Annual inspections and service contracts.

Need an inspection or advice? Contact us.