The type PROTEGO^® DA-UB in-line detonation flame arresters are the newest generation of flame arresters. Based on fluid dynamic and explosion-dynamic calculations, as well as decades of field tests, a line...

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^® 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...

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^® roof drain valves D/SR or D/SR-W have the function of an inlet cup, which collects the rainwater from the floating roof through the scissor pipes of a PROTEGO^® floating roof draina...

The PROTEGO^® LDA-WF(W) series of liquid detonation flame arresters was developed for storage container filling lines that are not continuously filled with product and sometimes contain a combustible mixtur...

The PM/(D)S pilot-operated PROTEGO^® diaphragm valve is a highly developed valve for pressure and vacuum relief. It is primarily used as a device for out-breathing in tanks, containers, and process equipmen...

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 PROTEGO^® valve VD/KSM is a state-of-the-art pressure and vacuum relief valve with excellent flow performance made of high-grade synthetic material. Typically, the valve is installed in the in-breathing...

The PROTEGO^® BE/HR-E-IIB consists of a housing (1), a weather hood (2) and the PROTEGO^® flame arrester unit (3). During normal operation, the metal weather hood is in a closed position. If a fl...