Rockwell Automation 839E Solid-State Flow Sensors User Manual
Page 28
839E Solid-State Flow Sensors User Manual
26
Pub #10000004735 Ver 03, May 2012
Figure 16 p/T load diagram
L = insertion length
vW = water fluid velocity = 3 m/s (9.84 ft/s)
Flow Switch Conversion
Feet per second (ft/s) to gallons per minute (gpm)
id " (inch) 0.37 0.62 0.87 1.37
1.87
2.37
2.87
3.87
id (mm)
9.4 15.75 22.1 34.8
47.5
60.2
72.9
97.38
Flow ft/s
0.3
0.1
0.3
0.6
1.5
2.8
4.5
6.6
11.8
0.7
0.2
0.6
1.2
3.0
5.6
9.0
13.2
23.6
1.3
0.4
1.2
2.4
6.0
11.2
18.0
26.5
47.2
2.0
0.7
1.9
3.6
9.0
16.9
27.1
39.7
70.8
2.6
0.9
2.5
4.9
12.1
22.5
36.1
52.9
94.4
3.3
1.1
3.1
6.1
15.1
28.1
45.1
66.2 118.1
3.9
1.3
3.7
7.3
18.1
33.7
54.1
79.4 141.7
4.6
1.5
4.3
8.5
21.1
39.3
63.2
92.6 165.3
5.2
1.8
4.9
9.7
24.1
44.9
72.2 105.9 188.9
5.9
2.0
5.6 10.9
27.1
50.6
81.2 119.1 212.5
6.6
2.2
6.2 12.2
30.2
56.2
90.2 132.3 236.1
7.2
2.4
6.8 13.4
33.2
61.8
99.3 145.5 259.7
7.9
2.6
7.4 14.6
36.2
67.4 108.3 158.8 283.3
8.5
2.9
8.0 15.8
39.2
73.0 117.3 172.0 306.9
9.2
3.1
8.6 17.0
42.2
78.6 126.3 185.2 330.5
9.8
3.3
9.3 18.2
45.2
84.3 135.3 198.5 354.2
gpm
Conversion ft/s to gpm
0.1
1.0
10.0
100.0
1000.0
0
.
0
1
0
.
1
1
.
0
Flow rate ft/s
V
o
lu
m
e
g
p
m
DN100
DN80
DN65
DN50
DN40
DN25
DN20
DN10
½"
¾"
1½"
2½"
4"
2"
3"
1"
DN