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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–348
Sizing Water Valves (Continued)
Valve Sizing and Cross-Reference
VG2000 Series Flanged Cast Iron Globe Valves
Two-Way Three-Way
Pipe Size, in. 2-1/2 3 4 5 6 2-1/2 3 4 5 6
Cv 51 83 150 240 350 54 80 157 238 347
Pressure
Drop, psi
Flow Rate, gpm
1 51.0 83.0 150.0 240.0 350.0 54.0 80.0 157.0 238.0 347.0
2 72.1 117.4 212.1 339.4 495.0 76.4 113.1 222.0 336.6 490.7
3 88.3 143.8 259.8 415.7 606.2 93.5 138.6 271.9 412.2 601.0
4 102.0 166.0 300.0 480.0 700.0 108.0 160.0 314.0 476.0 694.0
5 114.0 185.6 335.4 536.7 782.6 120.7 178.9 351.1 532.2 775.9
6 124.9 203.3 367.4 587.9 857.3 132.3 196.0 384.6 583.0 850.0
7 134.9 219.6 396.9 635.0 926.0 142.9 211.7 415.4 629.7 918.1
8 144.2 234.8 424.3 678.8 989.9 152.7 226.3 444.1 673.2 981.5
9 153.0 249.0 450.0 720.0 1,050.0 162.0 240.0 471.0 714.0 1,041.0
10 161.3 262.5 474.3 758.9 1,106.8 170.8 253.0 496.5 752.6 1,097.3
11 169.1 275.3 497.5 796.0 1,160.8 179.1 265.3 520.7 789.4 1,150.9
12 176.7 287.5 519.6 831.4 1,212.4 187.1 277.1 543.9 824.5 1,202.0
13 183.9 299.3 540.8 865.3 1,261.9 194.7 288.4 566.1 858.1 1,251.1
14 190.8 310.6 561.2 898.0 1,309.6 202.0 299.3 587.4 890.5 1,298.4
15 197.5 321.5 580.9 929.5 1,355.5 209.1 309.8 608.1 921.8 1,343.9
16 204.0 332.0 600.0 960.0 1,400.0 216.0 320.0 628.0 952.0 1,388.0
17 210.3 342.2 618.5 989.5 1,443.1 222.6 329.8 647.3 981.3 1,430.7
18 216.4 352.1 636.4 1,018.2 1,484.9 229.1 339.4 666.1 1,009.7 1,472.2
19 222.3 361.8 653.8 1,046.1 1,525.6 235.4 348.7 684.3 1,037.4 1,512.5
20 228.1 371.2 670.8 1,073.3 1,565.2 241.5 357.8 702.1 1,064.4 1,551.8
21 233.7 380.4 687.4 1,099.8 1,603.9 247.5 366.6 719.5 1,090.7 1,590.2
22 239.2 389.3 703.6 1,125.7 1,641.6 253.3 375.2 736.4 1,116.3 1,627.6
23 244.6 398.1 719.4 1,151.0 1,678.5 259.0 383.7 752.9 1,141.4 1,664.2
24 249.8 406.6 734.8 1,175.8 1,714.6 264.5 391.9 769.1 1,166.0 1,699.9
25 255.0 415.0 750.0 1,200.0 1,750.0 270.0 400.0 785.0 1,190.0 1,735.0
26 260.0 423.2 764.9 1,223.8 1,784.7 275.3 407.9 800.5 1,213.6 1,769.4
27 265.0 431.3 779.4 1,247.1 1,818.7 280.6 415.7 815.8 1,236.7 1,803.1
28 269.9 439.2 793.7 1,270.0 1,852.0 285.7 423.3 830.8 1,259.4 1,836.2
29 274.6 447.0 807.8 1,292.4 1,884.8 290.8 430.8 845.5 1,281.7 1,868.7
30 279.3 454.6 821.6 1,314.5 1,917.0 295.8 438.2 859.9 1,303.6 1,900.6
Zone and Fan Coil Valves
Valve Sizing and
Cross-Reference