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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Sizing a vent?
Hello,
I have a box that needs to be force vented. I have a woodwork dust extractor and I want to size the vent for 450cfm throughput. I have no idea of the speed of the air flow with the extractor other than it is rated at 550cfm and uses a 4" pipe. Anyone know where I might find a formula for calculating the vent area? Thanks in advance. Dave |
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