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Back pressure flap "ProFlap" and "ProFlapPlus" for explosion decoupling

Numerous processes can cause explosive dust/air mixtures within industrial systems (i.e. dust collectors, mixing machines, fluid bed granulator, mills, etc.). If ignition sources cannot be excluded due to process conditions, these systems are often equipped with constructive explosion protection measures like pressure relief or pressure suppression. In this regard, connected ductworks are decoupled from containers to be protected so that no flames and explosion pressure can be transferred into other areas.
Zwei ProFlap