Domed Circular Vent [BCD]

Circular geometry domed explosion vents designed for systems with pulsating pressures and vacuum conditions, where flat panels may not be effective or safe. They are ideal for pneumatically filled silos, baghouses, cyclones and separators, exposed to pressure fluctuations during the process.

Circular geometry domed explosion vents designed for systems with pulsating pressures and vacuum conditions, where flat panels may not be effective or safe. They are ideal for pneumatically filled silos, baghouses, cyclones and separators, exposed to pressure fluctuations during the process.

BCD panels open at a predefined burst pressure, safely releasing overpressure, flames and incandescent particles into a safe zone, with no spraying of fragments. This controlled opening prevents structural damage to equipment and minimizes risks to operators.

Made of AISI 304 or 316 stainless steel, they are equipped with a calibrated break pattern and a perimeter sealing system that guarantees tightness during normal operation. They are certified according to EN 14797:2006 and EN 14994:2007 and are suitable for organic and metallic dusts up to St2 as well as Group IIA gases.

  • Type: Circular Domed
  • Dimensions: from 280 to 1020 mm
  • Material: AISI 304 or 316 stainless steel
  • Venting efficiency: 100%
  • Burst pressure: 20 to 500 mbar
  • Tolerance: +/-15%
  • Maximum Operating Pressure: 70% Pstat
  • Maximum vacuum pressure: -800 mbar
  • Temperature range: up to 350ºC
  • Product: Group IIA gases; Organic powder up to St2
  • ATEX certified: in accordance with EN14797:2006 and EN14994:2007
  • ATEX marking: Ex GD
Reference
External Dimensions (mm)
Nominal Size (mm)
Vent Area (m2)
  • BCD280
    280
    200
    0.031
  • BCD370
    370
    300
    0.071
  • BCD470
    470
    383
    0.115
  • BCD565
    565
    450
    0.159
  • BCD715
    715
    635
    0.317
  • BCD974
    974
    884
    0.614
  • BCD1020
    1020
    930
    0.679

For other sizes and/or working conditions please contact Adix

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