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

General Terms and Conditions of Sale of PROTEGO Middle East FZE Version 1.0 | PROTEGO Middle East FZE | JAFZA | UAE Effective: 01.08.2025 1. Scope and Applicability 1.1 These General Terms and Conditions of Sale ("GTCS") shall apply to all quotations,

Protecting the digester or the collecting basin with a UB/SF frost-proof pressure and vacuum relief valve and with DR/ES detonation flame arresters in the gas or vapour manifold. Protecting the desulphurisation unit (e.g. activated carbon

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.