8]/ p
g
Positive Duct Pressure
atmospheric
ductpressure pressure
3 inches
[76.2 mm]
g H
fwt” p
2 p ”tvp rp
S”
r“—
°4 jK °
R—2
x”rwt
°
are “water gage” (wg) and “water column” (wc).
caQ3caM6793O[ | 9 |
g
atmospheric
ductpressure pressure
g H
2 p ”tvp rp
S”
r“—
°4 jK °
x”rwt
°
caQ3caM6793O[ | 9 |