Get the MADAS Electric Gas Valve DN15 Normally Closed (NC), designed for automatic gas flow shut-off upon power failure or when receiving a signal from a gas leak detector, providing the highest levels of safety and protection for central gas systems. Features: 🇮🇹 Original Italian manufacturing. Normally Closed (NC) – automatically closed. Instantaneous shut-off of gas flow during emergencies or power outages. Works with gas leak detectors and alarm systems. Size DN15 (½ inch). Robust design and European certifications for gas systems. 📍 Available at Al-Muttahida Company for Central Gas Systems 🚚 We provide all central gas supplies with supply, installation, and maintenance services.