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FLAME ARRESTERS
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• Purpose: to prevent the spread of an explosion
• Standards: Directive 94/9/EC & ATEX 95 & EN12874
• Fluids: Groups: I / IIA / IIB1 / IIB3 / II C
• Notified bodies: IBExU & BAM
• Selection of explosion group :
- I (Methane) MESG ≥ 1,14 mm
- IIA (D) MESG > 0,90 mm
- IIB3 (C) MESG ≥ 0, 65 mm
- IIC (B) MESG < 0,50 mm
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Breather valve with integrated flame arrester
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• Protection on pressure and vacuum sides with a deflagration-proof flame arrester
• Materials : ductile iron / Stainless steel AISI 316 - gaskets : FPM / FEP
• DN 50 / 80 / 100 / 150
• Flange ISO PN16 / PN20 (150 Lbs)
• Settings : +/- 2,5 mbar to +/-50 mbar
• Options : - without flame arrester - pipe away on pressure side
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Vacuum valve with integrated flame arrester
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• Protection on vacuum side with a deflagration-proof flame arrester
• Materials : ductile iron / Stainless steel AISI 316 - gaskets : FPM / FEP
• DN 50 / 80 / 100 / 150
• Flange ISO PN16 / PN20 (150 Lbs)
• Setting : - 2,5 mbar to -50 mbar
• Option : - without flame arrester
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Breather valve |

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• Protection for pressure & vacuum (gas & vapours)
• Materials: Alu / carbon steel / stainless steel
• Disc membrane: FPM / PTFE
• DN50 à DN250
• Flanges ISO PN10 / PN20 (150Lbs)
• Setting range maxi: -750 mbar / +495 mbar
• Option: flange on process side (pipe away)
> Download the PDF file
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Vacuum valve |

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• Protection for vacuum (gas & vapours)
• Materials: Alu / carbon steel / stainless steel
• Disc membrane : FPM / PTFE
• DN50 à DN300
• Flanges ISO PN10 / PN20 (150Lbs)
• Setting range maxi: -2mbar / -750 mbar
• Option: Hastelloy ® construction
> Download the PDF file
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