About STIF – Vigilex
STIF (Société de Tôlerie Industrielle Française) was founded in 1984 and is headquartered near Angers in western France.
Operating from a modern 10,000 m² production facility, STIF has built a strong international presence in over 60 countries.
A policy of continuous investment in cutting-edge manufacturing ensures high performance and agility in meeting customer needs.
Their VIGILEX division specializes in explosion protection components, including vent panels, flameless devices, isolation valves, deflectors, and safety equipment for bulk material handling industries.
Industry-Leading Solutions
STIF’s VIGILEX brand offers a comprehensive portfolio of explosion protection solutions:
- Explosion Vent Panels: flat, curved, bent, or round panels tailored to diverse applications.
- Flameless Devices (VQ/VL): including the latest VQ models certified to EN16009 for safe flameless venting.
- Explosion Isolation Valve (VIGIFLAP): prevents propagation of flame and pressure between interconnected systems.
- Deflectors (VIGISPACE): channel vented pressure waves away safely.
- Diverters (V‑DEX) and Burst Sensors, plus other accessories like rupture detectors and protective housings.
Core Features of Their Products
- Full ATEX & INERIS Certification: compliant with EN14491, EN14994, EN14797, EN1127‑1 for vent panels and EN16009 for flameless devices.
- Superior Quality Control: rigorous material tracing, batch testing, and adherence to European standards before dispatch.
- Technical Flexibility: wide range of vent types and accessories, including sanitary options, weather protection, and explosion-resistant gaskets.
- Engineering Support: vent sizing software and expert technical support ensure optimal protection based on installation parameters (KST, Pmax, Pred, etc.).
Key Benefits for Clients
- Enhanced Operational Safety: effectively relieve overpressure, flames, and dust to protect personnel and equipment.
- Minimal Installation Footprint: VQ flameless devices eliminate need for costly ductwork, ideal for indoor setups.
- High Reliability & Traceability: each product is serial-numbered and tested to ensure consistent performance.
- Tailored Solutions: configurable for different hazards, materials, and operating conditions.
Markets Served
STIF–VIGILEX serves various sectors exposed to dust and explosion risks, such as:
- Cement, minerals, biomass, coal, and metal processing
- Food, pharmaceuticals, chemicals, and paints
- Energy applications including Battery Energy Storage Systems (BESS), where specialized products like ARC‑VENT, DUAL‑VENT, and VIGISPACE offer targeted protection.
Products Overview
Category | Examples & Highlights |
|---|---|
Vent Panels | Flat, domed, curved, and sanitary ATEX-certified panels |
Flameless Devices | VQ series (including lightweight VQ LW) certified to EN16009 |
Isolation Valves | VIGIFLAP for preventing flame and pressure propagation |
Deflectors | VIGISPACE for guiding explosion release safely |
Accessories | Diverters (V‑DEX), burst sensors, protective covers, and detectors |
BESS Solutions | ARC‑VENT, DUAL‑VENT, and other systems for energy storage applications |
Why STIF–Vigilex?
STIF offers a powerful combination of French engineering, global reach, and technical excellence. Their certified product range, backed by expert sizing, testing, and support, ensures customers receive highly effective, tailored explosion protection solutions.
With leadership in innovation, for example, being the first European company certified to EN16009 for rectangular flameless venting, STIF continues to set industry standards.



