The PROTEGO® in-line valve DV/ZT-F is a state-of-the-art pressure and vacuum relief valve. Typically, the valve is installed in the in-breathing and out-breathing lines of tanks, vessels, and process equip...

The PROTEGO® valve V/KSM is a state-of-the-art vacuum relief valve with excellent flow performance made of high-grade synthetic material. It is used as a device to relieve vacuum in tanks, containers, and ...

The deflagration- 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 device...

PROTEGO® NB/AP in-tank valves are used in storage tanks for cryogenic liquids in order to seal off discharge lines in the event of an accident or emergency (pipe bursting). These devices meet the requireme...

PROTEGO® SI/DP  Internal Safety Valves  (in-tank valves) are used as additional Shut-off Valves for double-walled containers, e.g., for storing liquefied gases, cryogenic gases, or other low...

The PROTEGO® Type PM-HF pilot-controlled diaphragm valve is a highly developed valve for pressure and vacuum relief. Primarily used as a device for outbreathing in tanks, vessels, and process engineering e...

The PROTEGO® DA-G series is a compact in-line detonation flame arrester for installation in pipes with diameters up to 3“ and is used, for example, in industrial applications such as gas analysis lines. ...

The PROTEGO® BE/HK-E end-of-line deflagration flame arrester was specifically developed for vessels which are not pressurized and store ethanol or other alcohols. The combustion of alcohol requires a modified flame a...

The PROTEGO® LDA-W liquid detonation flame arrester was developed for storage container filling lines that are not continuously filled with product and sometimes contain a combustible mixture. The device i...

The PROTEGO® in-line valve DZ/T-F is a state-of-the-art pressure or vacuum relief valve for higher system pressures. Typically, the valve is installed in the in-breathing or outbreathing lines of tanks, ve...