… valve is a worldwide unique vacuum relief valve combining the function of a…

PROTEGO® WV/T change-over valves are mainly used together with other valves or devices (e.g., PROTEGO® flame arresters) on cryogenic storage tanks and on tanks in process plants in the chemical...

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 deflagration proof and endurance burning proof PROTEGO® DE/S -MK VI type device is a state of the art high velocity vent valve working on the principle of a dynamic flame arrester. It is primarily use...

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...

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...

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...

… It is a highly developed combined pressure and vacuum valve with dynamic…

… It is a highly developed combined pressure and vacuum valve with dynamic and…

The PROTEGO® LDA series of liquid detonation arresters was developed for storage tank filling lines that are not continuously filled with product and sometimes contain a combustible mixture. The dev...