The  PROTEGO® VN-A-PCPM pilot-operated diaphragm valve is a highly developed valve for pressure and vacuum relief. It is primarily used as a safety device for out-breathing in tanks, containers, and proc...

The deflagration-proof and endurance burning-proof D-SVL-EB type PROTEGO® valve is a highly developed pressure relief valve for large flows with an integrated flame arrester PROTEGO® EB. It is ...

The SV/T-0-H type PROTEGO® valve is a highly developed vacuum relief valve with a valve housing that is equipped with a heating jacket that can be heated up to the flange. It is primarily used as a device ...

The PROTEGO® BE/HR-400 end-of-line deflagration flame arrester is designed to protect large vessels and process engineering apparatus which are not pressurized. The device provides protection against flame...

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 in-line detonation flame arresters type PROTEGO® DA-SB-EO are the newest generation of flame arresters. Based on flow and explosion dynamic calculations as well as decades of field tests, a product lin...

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...

The deflagration proof VD/SV-AD(L) type PROTEGO® valve is a highly developed combined pressure/vacuum relief valve for high flow capacities with an integrated flame arrester unit. It is primarily used as a...

The PROTEGO® in-line valve DV/ZT 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 equipmen...

For many years the PROTEGO® BE/HR end-of-line deflagration flame arrester has been successfully used to protect vessels and process engineering apparatus which are not pressurized. The device provides prot...