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Table Of Contents
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2014 Johnson Controls, Inc.
www.johnsoncontrols.com
V–350
Sizing Water Valves (Continued)
Valve Sizing and Cross-Reference
J Series Electric Zone Valves
JM Series Modulating JS/JT Series On/Off
Cv 1 2 4 7.5 8 1 2.5 3.5 4 5 8
Pressure
Drop, psi
Flow Rate, gpm
1 1.02.04.07.58.01.02.53.54.05.08.0
2 1.4 2.8 5.7 10.6 11.3 1.4 3.5 4.9 5.7 7.1 11.3
3 1.7 3.5 6.9 13.0 13.9 1.7 4.3 6.1 6.9 8.7 13.9
4 2.0 4.0 8.0 15.0 16.0 2.0 5.0 7.0 8.0 10.0 16.0
5 2.2 4.5 8.9 16.8 17.9 2.2 5.6 7.8 8.9 11.2 17.9
6 2.4 4.9 9.8 18.4 19.6 2.4 6.1 8.6 9.8 12.2 19.6
7 2.6 5.3 10.6 19.8 21.2 2.6 6.6 9.3 10.6 13.2 21.2
8 2.8 5.7 11.3 21.2 22.6 2.8 7.1 9.9 11.3 14.1 22.6
9 3.0 6.0 12.0 22.5 24.0 3.0 7.5 10.5 12.0 15.0 24.0
10 3.2 6.3 12.6 23.7 25.3 3.2 7.9 11.1 12.6 15.8 25.3
11 3.3 6.6 13.3 24.9 26.5 3.3 8.3 11.6 13.3 16.6 26.5
12 3.5 6.9 13.9 26.0 27.7 3.5 8.7 12.1 13.9 17.3 27.7
13 3.6 7.2 14.4 27.0 28.8 3.6 9.0 12.6 14.4 18.0 28.8
14 3.7 7.5 15.0 28.1 29.9 3.7 9.4 13.1 15.0 18.7 29.9
15 3.9 7.7 15.5 29.0 31.0 3.9 9.7 13.6 15.5 19.4 31.0
16 4.0 8.0 16.0 30.0 32.0 4.0 10.0 14.0 16.0 20.0 32.0
17 4.1 8.2 16.5 30.9 33.0 4.1 10.3 14.4 16.5 20.6 33.0
18 4.2 8.5 17.0 31.8 33.9 4.2 10.6 14.8 17.0 21.2 33.9
19 4.4 8.7 17.4 32.7 34.9 4.4 10.9 15.3 17.4 21.8 34.9
20 4.5 8.9 17.9 33.5 35.8 4.5 11.2 15.7 17.9 22.4 35.8
21 4.6 9.2 18.3 34.4 36.7 4.6 11.5 16.0 18.3 22.9 36.7
22 4.7 9.4 18.8 35.2 37.5 4.7 11.7 16.4 18.8 23.5 37.5
23 4.8 9.6 19.2 36.0 38.4 4.8 12.0 16.8 19.2 24.0 38.4
24 4.9 9.8 19.6 36.7 39.2 4.9 12.2 17.1 19.6 24.5 39.2
25 5.0 10.0 20.0 37.5 40.0 5.0 12.5 17.5 20.0 25.0 40.0
26 5.1 10.2 20.4 38.2 40.8 5.1 12.7 17.8 20.4 25.5 40.8
27 5.2 10.4 20.8 39.0 41.6 5.2 13.0 18.2 20.8 26.0 41.6
28 5.3 10.6 21.2 39.7 42.3 5.3 13.2 18.5 21.2 26.5 42.3
29 5.4 10.8 21.5 40.4 43.1 5.4 13.5 18.8 21.5 26.9 43.1
30 5.5 11.0 21.9 41.1 43.8 5.5 13.7 19.2 21.9 27.4 43.8
Zone and Fan Coil Valves
Valve Sizing and
Cross-Reference