18
IOM 1206-1
Pressure Drop Data
Pressure Drop Data
Figure 13: Pressure Drop Curves
Table 15: Pressure Drop Data
A
A
A
B
B
B
C
C
C
D
D
D
E
E
E
F
F
F
G
G
G
H
H
H
I
I
I
1
10
100
10
100
1000
D p (ft)
Flow R ate (gpm)
A
B
C
D
E
F
G
H
I
GPM
DP ft.
lps
DP kpa
GPM
DP ft.
lps
DP kpa
GPM
DP ft.
lps
DP kpa
GPM
DP ft.
lps
DP kpa
A
30E
27.0
1.7
1.7
5.1
42.2
4.0
2.7
12.0
67.4
9.8
4.3
29.4
112.4
26.0
7.1
77.7
B
35E
33.5
2.4
2.1
7.1
52.4
5.6
3.3
16.7
83.8
13.7
5.3
40.9
139.6
36.4
8.8
108.7
C
40E
37.1
2.5
2.3
7.4
57.9
5.8
3.7
17.3
92.6
14.2
5.8
42.5
154.4
37.7
9.7
112.6
D
45E
40.9
2.3
2.6
6.8
63.9
5.3
4.0
15.8
102.2
13.2
6.5
39.4
170.4
34.4
10.8
102.7
E
50E
46.4
2.7
2.9
7.9
72.5
6.2
4.6
18.5
115.9
15.2
7.3
45.3
193.2
40.0
12.2
119.6
F
55E
49.7
2.3
3.1
7.0
77.7
5.5
4.9
16.3
124.3
13.4
7.8
40.0
207.2
35.6
13.1
106.2
G
60E
54.0
2.3
3.4
6.9
84.3
5.4
5.3
16.1
134.9
13.1
8.5
39.3
224.8
34.7
14.2
103.6
H
65E
55.5
2.4
3.5
7.3
86.7
5.7
5.5
17.0
138.7
13.9
8.8
41.4
231.2
36.6
14.6
109.3
I
70E
61.5
3.0
3.9
8.8
96.2
6.9
6.1
20.6
153.8
16.9
9.7
50.4
256.4
44.5
16.2
133.0
Variable Flow System Only
Minimum Flow Rate
IP
SI
Fixed Flow System Only
Fixed and Variable Flow System s
SI
Minim um Flow Rate
IP
SI
IP
IP
SI
Maxim um Flow Rate
Nominal Flow Rate
Curve
Ref.
Model
