…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…
…The deflagration proof V/SV-AD type PROTEGO® valve is a highly developed vacuum relief valve for high flow capacities with an integrated flame arrester…
…The PROTEGO® UB/DF diaphragm valve is a worldwide unique deflagration-proof and endurance burning-proof pressure relief valve combining the function of…