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Diaphragm Valves
PROTEGO® Diaphragm Valves function as pressure vacuum relief valves. The flexible diaphragm allows them to work as a dynamic flame arrester which provides endurance burning protection. For additional safety, these devices are equipped with a
The VN-VU type PROTEGO® valve is a highly developed vacuum relief valve with excellent flow performance. It is primarily used as a device for relieving vacuum in tanks, containers, and process engineering ...
The VN-VL-L type PROTEGO® valve is a highly developed vacuum relief valve with excellent flow performance. It is primarily used as a device for relieving vacuum in tanks, containers, and process engineerin...
…Protection of roofed storage tanks for ethanol and other alcohols
Deflagration-proof Vacuum Relief Valve PROTEGO® SV/E Detonation Flame Arrester PROTEGO® DR/ES or PROTEGO® DR/ES-V with integrated Check Valve The venting line is designed to provide venting to a safe…
The deflagration proof and endurance burning proof PROTEGO® DE-S type device is a state of the art high velocity vent valve working on the principle of a dynamic flame arrester. It is primarily used as a d...
The PROTEGO® EF/V-IIB3 detonation-safe foot valve protects the suction line in a storage tank. The virtually maintenancefree device is installed at the end of the emptying line within the tank. During suct...
… of the fuel tank with a high velocity Pressure Relief Valve PROTEGO® DE/S in combination with Vacuum Relief Valve PROTEGO® SV/E-S The vapor-return-line to the bunkering station is protected with a Detonation Flame Arrester PROTEGO® DR/ES PROTEGO® Valves are…
The deflagration-proof and endurance burning-proof PV/EB-E type PROTEGO® valve is a highly developed combined pressure/vacuum relief valve for high flow capacities with an integrated flame arrester unit th...
The ER/VH type PROTEGO® valve is a highly developed emergency pressure relief valve with high flow capacity. It is primarily used as a device for emergency pressure relief for storage tanks, containers, si...
The deflagration- and endurance burning-proof PROTEGO® UB/SF-IIA1 type diaphragm valve is a state of the art pressure and vacuum- relief valve combining the function of a dynamic flame arrester. Worldwide ...