18
TTS-S-IM V2 09.22
Table 2:
Equivalent Length of each Elbow (ft)
Diameter of Elbow
3”
4”
6”
8”
Length
5
12
18
20
Total Equivalent Vent Length (TL) = Straight Vent Length (L) + Equivalent Length of Elbows
•
TL shall be less than the values listed in the Table 1 above.
•
Count the number of elbows and multiply by the equivalent length of each elbow in accordance
with Table 2.
•
Termination fitting (elbow or tee) is already accounted for and does not need to counted.
•
Entire branch section is already accounted for and does not need to be counted.
[Calculation Example]
Содержание Standard Series
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