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934-BM End-of-Line Deflagration and Endurance Burning Flame Arrester

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The BS&B FlameSaf® Model 934-BM end-of-line deflagration arrester was developed to prevent flame transmission caused by endurance burning or atmospheric deflagration.
• Protection against atmospheric deflagration and endurance burning
• Endurance burning protection for hydrocarbons and alcohols up to and
including explosion group IIB
• Type-approved in accordance with ATEX Directive 2014/34/EU and EN ISO
• Certified to IMO MSC/Circular 677 & 1009 (as amended by IMO MSC.1/
Circular 1324 & 1325)
• Available in nominal sizes DN40 (1.5”) to DN 80 (3”)
• The standard design can be used for operating temperatures up to +60°C / 140°F
Gas/Air or Vapour/Air mixtures for hydrocarbons and alcohols for Explosion
Groups up to and including IIB (MESG ≥ 0.5 mm)
Flange Connection Type
EN or DIN: ISO 7005 – PN10
ANSI: ANSI B.16.5 – 150 RF