. Sorry to post this in this forum, but it it the ONLY one that allows me to post a new topic.
. What are the values used to calculate Equivalent Duct Length?
Specifically in rigid pipe what does each of the following count as in additional feet?
Typical 90° elbow
Typical 45° elbow
Short 90° elbow
How does each of the same turns as above count as bends made in flex pipe?
How does straight flex pipe count vs rigid pipe?
How do each of the vent hoods count in feet?
4" opening (base of triangle viewed from side of hood)
2-1/2" opening
Louvered Hood