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UK Office

Elmac Technologies
Greenfield
Holywell
Flintshire
North Wales
CH8 9DP

Phone: +44 1352 717600
Fax: +44 1352 717642
info@elmactechnologies.com
Products
In-Line Deflagration & Detonation Flame Arresters

Home » Products » In-Line Arresters
sketch of an in-line arrestorSelecting The Right Product

In-Line Deflagration & Detonation Flame Arresters

Elmac Technologies® can supply different types of in-line deflagration and unstable detonation arresters, suitable for a wide variety of industries and applications. CE-IB unstable detonation arresters are suitable for gas groups up to IIB3. DFB and SGE-IB deflagration arresters are also suitable for use up to gas group IIB3. MB-IB microbore deflagration arresters are specifically designed for use in process and instrumentation lines. CE-IB, DFB, and SGE-IB arresters all have replaceable elements.

The tables below show which products are suitable for which gas groups, as well as the connection sizes available. Follow the product links for detailed product information for each series.

ce-ib detonation arrestor dfb deflagration arrestor dfc deflagration arrestor mb-ib microbore flame arrestor sge-ib in-line flame arrestor
CE-IB Unstable
Detonation Arresters		 DFB Deflagration
Flame Arresters		 DFC Deflagration
Flame Arresters		 MB-IB Microbore
Arresters		 SGE-IB Deflagration
Flame Arresters


sge-ib deflagration arrestorIn-Line Deflagration and Detonation Arresters

In-line deflagration 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.

Unstable detonation arresters* are designed to prevent propagation of detonations in gas or vapour mixtures. Detonation arresters are specifically designed for pipelines with a significant distance between the ignition source and the arrester, or for use where the pipe is rough, bent, obstructed or has section changes.

* For more information regarding Elmac's policy on stable and unstable detonation arresters, please see the Guidance Notes in the Elmac Data Centre.

Table 1a. In-Line Arrester Gas Group & Service Suitability
Gas GroupIIIAIIB3IIBIICDeflagrationDetonation
CE-IB   --  
DFB   -- -
DFC---   -
MB-IB   -- -
SGE-IB   -- -

Table 1b. In-Line Arrester Size Ranges
Nominal Bore (mm)1520253240506580100125150200250300350400
CE-IB            ----
DFB-- -  -  - -----
DFC-- -  -  - -----
MB-IB  --------------
SGE-IB                


Still not sure?

Our Customer Services team is just a phone call away.

If you are still not sure which flame arrester product you need, or have a query about specific options or requirements, or would like some more advice, please do not hesitate to get in touch with our Customer Services team. Details are shown on the left of this page.

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Elmac Technologies specialises in the manufacture of Flame Arresters and supply of Pressure Relief Equipment.
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