Protego BE/HK-E-IIB3 Deflagration Flame Arrester, Endurance Burning Proof, End Of Line, ATEX

Function and Description

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 flame arrester element design to provide protection against endurance burning. In addition, the device provides protection against atmospheric deflagration. It is typically installed on in - breathing and out-breathing vent lines to prevent flame transmission into the vessel or plant caused by endurance burning or atmospheric deflagration.

The PROTEGO BE/HK-E consists of the 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 stabilized flame burns on the flame arrester element surface, the melting element (5), located in a center position, will melt, and the spring-loaded weather hood will open. The PROTEGO flame arrester unit consists of two FLAMEFILTER discs (4) which are installed in a FLAMEFILTER® casing. The PROTEGO BE/HK-E end-of-line deflagration flame arrester is available for alcohols and other substances with MESG ≥ 0,85mm. 

The standard design can be used for operating temperatures up 2 to +60°C / 140°F.

EU conformity according to the currently valid ATEX directive. 3 Approvals according to other national/international regulations on request.

Special Features and Advantages

• Endurance burning protection for alcohols and hydrocarbons with MESG ≥ 0,85mm.

• Weather hood protects the PROTEGO® flame arrester unit against environmental impact, such as nesting animals and weather conditions.

• In case of fire, the weather hood opens, allowing the flame to be seen from a far distance.

• Centrally aligned melting element is resistant to chemicals.

• Modular design enables replacement of individual FLAME- FILTER discs.

• Trouble-free maintenance.

• Provides protection against atmospheric deflagrations and endurance burning b 4 1 Function and Description.

• Cost-effective spare parts.

Design Types And Specifications

There are two different designs:

BE/HK-E- End of line deflagration flame arrester, basic design.

BE/HK-E-H End of line deflagration flame arrester with heating jacket.

Dimensions in mm/ inches

*To select the nominal size (DN) refer to the flow capacity charts.