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Emergency Air Distribution Shutoff

Emergency Air Distribution Shutoff

Emergency Air Distribution Shutoff

(OP)
Forgive me if this is not the correct place for this request/question.

I am conducting some product research which would give us the ability to add an emergency air distribution shutoff capability to existing HVAC systems.  The product will have to provide all outside air intakes, relief air, and exhaust openings with low leakage dampers that are automatically closed when an emergency air distribution shutoff switch is activated.  The dampers cannot exceed a leakage rate of 3 cfm/square foot with a differential pressure of one inch of water gage across the damper.  Some areas will contain equipment which will require continuous air cooling.  Therefore, some local air handing units will continue to recirculate air, but outside air, relief air and exhaust
must be closed with low leakage isolation dampers.

If you know of such a company or product that would be able to provide me with some type of cost estimate, I would greatly appreciate it.

Thank you.

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