The SV/E-1-0 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 engineeri...

The deflagration-proof SV/E type PROTEGO® valve is a state-of-the-art vacuum relief valve with an integrated flame arrester unit. It is primarily used as a device for flame transmission-proof in-breathing ...