Elmac Technologies - Model DFC Series - In-Line Deflagration Arrester
From Elmac - In-Line Deflagration & Detonation Flame Arresters
The Elmac Technologies DFC in-line deflagration flame arresters are designed to prevent propagation of flames in gas or vapour mixtures. By locating the arrester in close proximity to the potential source of ignition, any flame or explosion is confined to the immediate area. DFC arresters are supplied as complete units ready for direct installation into piping systems. In the context of the Pressure Equipment Directive (PED), Elmac flame arresters are classified as a piping assembly.
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Principle of Operation
A flame arrester uses an element with small apertures which allows gas or vapour to pass. If the apertures are smaller than the maximum experimental safe gap (MESG) for the gas or vapour then a flame cannot pass through the arrester, and is subsequently contained or extinguished.
Benefits
- Variety of sizes and materials to suit a wide range of applications
- Suitable for hydrogen use with explosion groups IIB and IIC
- Replaceable elements
- Bi-directional
- The Elmac technical team can advise on specific location queries
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