Safe and cost-effective solution for indoor applications

The Q-Rohr®, with its patented system of flame absorbing and dust retaining materials, guarantees hazard-free indoor explosion venting. Difficult to access machines or facilities located amidst production halls can be quickly, simply and safely vented, without cost-intensive, space issues and time-consuming reconstruction. When deploying this maintenance-free protection system: A purely passive solution; no additional operating costs are incurred. Q-Rohr® is the only system worldwide that is approved for deployment in Zone 22 according to VDI-3673, EN 14797, EN 16009 and NFPA 68 and certified by FM Global. Insurance companies across the globe recognize the Q-Rohr® as a safe system for flameless explosion venting

Safety and operating efficiency go hand in hand. The Q-Rohr® enables you to implement flame arresting and particulate retention explosion venting in closed rooms. No complicated ducts for outdoor venting or associated restructuring of production equipment are required. With the Q-Rohr® there is now nothing to prevent you from using the optimum layout for your production plant while guaranteeing the best possible explosion safety. In addition, Q-Rohr® is unrivaled in terms of running costs. Eliminating vent ducts saves you money not only on installation but also on servicing and maintenance.


The Q-Rohr® is ideal for indoor plants that are at risk of dust and gas explosions. Many new plants are equipped directly with the Q-Rohr® as it offers a wide range of flexible installation options. Retrofitting is also simplicity itself. The Q-Rohr® can be used to protect filters, dryers, cyclones and can be used with gases, hybrid mixtures, metal dusts, melting dusts or fibres.

Optional sanitary cover prevents accumulation / contamination of the Q-Rohr® flame trap mesh in dusty areas..