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New LCA and LEA in-line flame arresters from Elmac Technologies

Elmac Technologies Ltd News and PR from Elmac Technologies Ltd - Published 03 February 2015 Elmac Technologies launch two new series of in-line flame arresters, for explosion groups IIA1 and IIA, suited for use in anaerobic digestion, biogas, and flare stack applications.
Elmac invest heavily in new product development and as a result recently developed their enhanced flow (E-Flow™) flame arrester element technology which is now used in their EVA, EVB, EHB and ESA series of end-of-line arresters.

The next step was to take the lessons learned from the development of the end-of-line arresters and transfer the technology to in-line deflagration flame arresters. This has successfully been achieved in Elmac's new LCA and LEA series of flame arresters.

These new products are suitable for use with gases in explosion groups IIA1 and IIA and have model variants which include:

- Operating pressures up to 1.5bara
- Operating temperatures up to 160°C
- Short-time-burn capability of 10 minutes
- High flow, low pressure drop characteristics
- Size range of 15mm to 300mm nominal bore
- Concentric or eccentric reducers
- Material options to satisfy NORSOK requirements

In-line deflagration flame arresters are designed to prevent the propagation of pipeline explosions in their initial stages when flame velocities and associated pressures are at their lowest. As such these units are utilised in venting applications and where the proximity of the flame arrester to an ignition source is relatively close.

One common application of in-line deflagration arresters is flares. The flame arresters are installed in the gas feed lines to the flare to protect the rest of the plant from potential flashback. The use of a flame arrester in this application is essential as there is always a significant risk of flash back when operating within the explosive limits of a fuel gas.

The new LCA and LEA flame arrester ranges minimise the impact of using a flame arrester on the process, meaning higher flow rates are achievable with smaller flame arresters. Not to mention the fact that E-Flow™ in-line arresters are smaller, lighter and easier to maintain with significantly reduced fouling in the element.

All of Elmac's flame arresters are manufactured in the UK, and supplied in accordance with the latest internationally recognised standards, giving its customers the peace of mind that comes from knowing you are not compromising on safety.
Elmac invested heavily in new product development to develop their enhanced flow (E-Flow™) flame arrester element technology.

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