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Products
FE-IE Series - End Of Line Deflagration Flame Arresters

Home » Products » End of Line Arresters » FE-IE Arrester for Pressure Relief Valve

feie arrester pngFE-IE Series

End of Line Deflagration Arrester with Replaceable Element
for use with Pressure/Vacuum Relief Valves

Application

The Elmac Technologies® FE-IE series end-of-line deflagration arresters are designed to be used in conjunction with pressure/vacuum relief valves, to prevent propagation of flames in gas or vapour mixtures. FE-IE arresters are specifically designed to be located below the inlet of a pressure/vacuum relief valve, thereby providing an extra layer of tank protection. FE-IE arresters are supplied as complete units ready for direct installation into piping systems.

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
  • For use in conjunction with pressure/vacuum relief valves
  • Options available for sour environments
  • Replaceable elements
  • The Elmac technical team can advise on specific location queries

Gas Groups

Elmac flame arresters in the FE-IE range are for use with gases in Groups I, IIA, IIB1, IIB2 and IIB3.

General Layout

end of line in-line generic png
  1. Fixing Flanges
  2. Body
  3. Element Flanges
  4. Gaskets
  5. Fasteners
  6. Element
  7. Jacking Screws

Material Specifications

Table 1. FE-IE Series Material Specifications
RefDescriptionCarbon Steel ModelsLow Temp Carbon Steel ModelsStainless Steel ModelsHastelloy Models
1Fixing FlangesCarbon SteelLow Temp Carbon SteelStainless SteelHastelloy
2BodyCarbon SteelLow Temp Carbon SteelStainless SteelHastelloy
3Element FlangesCarbon SteelLow Temp Carbon SteelStainless SteelHastelloy
4GasketsKlingersil C4400Klingersil C4400Klingersil C4400Klingersil C4400
5FastenersCarbon SteelStainless SteelStainless SteelHastelloy
6Element HousingCarbon SteelLow Temp Carbon SteelStainless SteelHastelloy
6Element CoreCarbon SteelStainless SteelStainless SteelHastelloy
6Element PeripheryCarbon SteelStainless SteelStainless SteelHastelloy
7Jacking ScrewsCarbon SteelStainless SteelStainless SteelHastelloy

Dimensions

Table 2. FE-IE Series Unit Dimensions
NB (mm)1520253240506580100125150200250300
Ø Element (mm)939393124124156189215270326381490599709
Ø A (mm)152152152190190229254279343406483597698813
B (mm)24024423226626629837638842448454487911971226
Approx Wt (kg)8.79.710.716182329385688110200380450

Operating Limits

Table 3. FE-IE Series Operating Limits
NB (mm)Gas GroupMin Service Temp (°C)Max Service Temp (°C)
15 to 300IIB3-20+60

Flow Curves

Please contact the Customer Services team for more information regarding pressure drops for FE-IE arresters.

Variations

The FE-IE series of end of line flame arresters has the following options:

  • Flange fixing (ANSI 150, or PN16)
  • Female fixing (BSP/NPT)
  • Male fixing (BSP/NPT)

Standards Compliance

All flame arresters have been tested and certified in accordance with national or international standards. Actual device performance is verified in the Elmac Technologies "state of the art" in-house test facility.

Elmac Technologies has been independently assessed by a notified body against the requirements of the ATEX Directive 94/9/EC. Elmac flame arresters meet the criteria and are supplied with CE and EX markings, an EC Declaration of Conformity and an EC Type Examination Certificate.

standards jpg

Quick Links:

FE-IE Series Data Sheet (in data centre)
End of Line Flame Arresters
Elmac Expertise
Customer Services
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