I'm trying to size a blower for a fume collection application. What I need is a reasonable assumption/guess for entrance velocity (CFM) for such an application. Any ideas? Thanks in advance.
Oh yeah...we don't anticipate there being much fumes. I don't even know a good estimate on what we expect. I just want a reasonable sized blower that can get rid of a very small amount of fumes. We have a 4-inch line into the HVAC.