OC246-42
6. Air flow & Static pressure characteristics of Branch Duct (with SWA at “Standard”)
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
12
8
4
0
50
100
150
200
Hi
Lo
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
12
8
4
0
50
100
150
200
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
20
16
12
8
4
0
50
100
150
200
250
300
350
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
20
16
12
8
4
0
50
100
150
200
250
300
350
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
20
16
12
8
4
0
50
100
150
200
250
300
350
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
20
16
12
8
4
0
50
100
150
200
250
300
350
Rounded duct
PL18AK
PL24AK
PL30/36/42AK
(1) 4 direction airflow (Horizontal vane)
PL18AK
PL24AK
PL30/36/42AK
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
12
8
4
0
50
100
150
200
Hi
Lo
Hi
Lo
Static
pressure
[in. W.G.
O
10
-2
]
Air flow [CFM]
12
8
4
0
50
100
150
200
PL12AK
PL12AK
Angled duct