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IDA (In-Line Deflagration Arrester)

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dust collection systems

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The CMAXX, along with the proprietary IDA (In-Line Deflagration Arrester) DeltaMAXX filters, has been PROVEN to isolate a deflagration and stop a flame front.

 

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Third party testing of the CMAXX shows explosive flame front being forced through the vent.

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With the explosion vent covered, 100% of the flame front was forced through the IDA DeltaMAXX filters. No spark or flame present.


Using a CMAXX without explosion venting, the unit’s body was also tested to withstand a deflagration of corn starch at 185 KST with pressures exceeding 4 PSI.  The entire explosion diverted through the IDA DeltaMAXX filters, which showed no sign of deformation. The internal cages of the filters remained in perfect shape and the seals were not deformed or melted whatsoever. All testing, proving that the CMAXX can be used as a flame front deflagration arrestor/arrester when used in conjunction with IDA DeltaMAXX filters, is backed by third party testing. Reports and test results can be provided upon request.

The CMAXX Advantage

Other similar systems have been tested, but all require additional after filters. Combining the CMAXX with IDA DeltaMAXX filters eliminates the need for expensive after filters that can prematurely blind, causing issues including:

  • High pressure drop
  • Increased filter expenses
  • Additional labor to install
  • Decreased headroom for indoor applications
  • Enlarged filter housings

In addition, the IDA DeltaMAXX filters work off of the same primary cleaning system that the CMAXX uses, ensuring that the filters are consistently cleaned during operation. Similar systems that use after filters do not have any means to online cleaning.

The results conform to NFPA 69 12.2.5.2 Static Dry Flame Arrester Designs and chapter 5 under performance based option, both NFPA 654 to prevent the “extension of the flame front outside the compartment or equipment of origin except where intentionally vented to a safe location” 5.2.5 (2) and NFPA 69 “to limit and risk of flame spread from vessel to vessel via interconnecting ducts” 5.2.4 (3), 5.2.5 (2).


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