Safe systems in practice PROTEGO® devices are used in a wide range of industrial applications. A safe process requires reliable protection for every conceivable operating parameter. Practical examples show how systmes can be made safe and how PROTEGO®

Protection of flameproof radial-flow fans with integrated flame arresters FLAMEFILTER®, flame arrester units or flame arresters as OEM components are product variants, that are integrated by qualified and approved manufacturers in their branded products.

Imprint Braunschweiger Flammenfilter GmbH Industriestr. 11 D-38110 Braunschweig phone: +49 (0) 5307 / 809-0 fax: +49 (0) 5307 / 7824 e-mail: office@protego.com Trade Register Braunschweig HRB 1983 VAT-No. DE 811188775  Managing Director: Dr.-Ing.

Protection of Propylene Storage Tanks Pilot-Operated Pressure Relief Valve PROTEGO® VN-A-PCPF-NV In-Tank Valve PROTEGO® ITV-S In-line Detonation Flame Arrester PROTEGO® DA-SB Vacuum Relief Valve PROTEGO® V/SV and V/SV-XXL Emergency Pressure

Protection of flares Equipping elevated flares or ground flares with DA-SB detonation flame arresters. Equipping the emergency vent stack with VD/SV-HRL deflagration-proof endurance burning-proof pressure and vacuum relief valve. Gasholders with DR/SBW

Excellence in Safety and Environment Since 1954, PROTEGO® has built and provided flame arresters, valves and tank equipment, now with the help of more than 750 employees worldwide. We are the technology leader within our area of expertise. We provide global

Protection of floating-roof storage tanks Floating-roof storage tank with floating-roof drainage system SE/K, roof valve D/SR, stem-actuated valve AL/DK with deflagration flame arresters EB, rim vent P/EB. Protection of fixed-roof storage tanks

Protection of Processing Facilities Tank farms for flammable liquids with pressure and vacuum relief diaphragm valve UB/SF, connection to gas vent header system with detonation flame arrester DR/ES-V or DR/ES and pressure or vacuum relief valve DZ/T.

Pressure and Vacuum Relief Valves for Cryogenic Storage Tanks Decades of experience in manufacturing pilot-operated pressure/vacuum relief valves, our expertise in computer-optimized design, and our extensive test facilities form the basis for the development of

Working principle of Flame Arresters A Flame Arrester is designed to allow the safe flow of gases and liquids while preventing flame transmission. Flame Arresters are composed of spirally wound metal bands with precisely reproducible flame-quenching gaps.