CVHH-SVX001G-EN
41
Figure 28.
Rupture disk vent pipe sizing (IP units); for use with preceding table
Pipe size as a Function of “C” Value and Length of Run
“
C
”
V
alue
(
lb/min)
L = Pipe Length (Equivalent Feet)
Pipe Size (I.D.)
Friction Factor
6 NPS
6.06 in.
f = 0.0149
5 NPS
5.05 in.
f = 0.0155
4 NPS
4.03 in.
f = 0.0163
3 NPS
3.07 in.
f = 0.0173
1000
100
10
10
100
1000
N
No
otte
e:: The preceding figure, provided as a reference, is based on ASHRAE Standard 15. Vent line size is typically
dictated by state or local code which may be different from ASHRAE Standard 15 requirements.
Summary of Contents for CVHH CenTraVac
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