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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–353
Sizing Water Valves (Continued)
Valve Sizing and Cross-Reference
VFx- Series High-Performance Class 150 Butterfly Valves
Cv at 70° Open for Modulating Service
Pipe Size, in. 2-1/2 3 4 5 6 8 10 12 14 16
Cv 100 155 315 500 750 1,590 2,430 3,750 3,400 5,510
Pressure
Drop, psi
Flow Rate, gpm
1 100 155 315 500 750 1,590 2,430 3,750 3,400 5,510
2 141 219 446 707 1,061 2,249 3,437 5,303 4,808 7,792
3 173 269 546 866 1,299 2,754 4,209 6,495 5,889 9,544
4 200 310 630 1,000 1,500 3,180 4,860 7,500 6,800 11,020
5 224 347 704 1,118 1,677 3,555 5,434 8,385 7,603 12,321
6 245 380 772 1,225 1,837 3,895 5,952 9,186 8,328 13,497
7 265 410 833 1,323 1,984 4,207 6,429 9,922 8,996 14,578
8 283 438 891 1,414 2,121 4,497 6,873 10,607 9,617 15,585
9 300 465 945 1,500 2,250 4,770 7,290 11,250 10,200 16,530
10 316 490 996 1,581 2,372 5,028 7,684 11,859 10,752 17,424
11 332 514 1,045 1,658 2,488 5,273 8,059 12,437 11,277 18,275
12 346 537 1,091 1,732 2,598 5,508 8,418 12,990 11,778 19,087
13 361 559 1,136 1,803 2,704 5,733 8,762 13,521 12,259 19,867
14 374 580 1,179 1,871 2,806 5,949 9,092 14,031 12,722 20,617
15 387 600 1,220 1,937 2,905 6,158 9,411 14,524 13,168 21,340
16 400 620 1,260 2,000 3,000 6,360 9,720 15,000 13,600 22,040
17 412 639 1,299 2,062 3,092 6,556 10,019 15,462 14,019 22,718
18 424 658 1,336 2,121 3,182 6,746 10,310 15,910 14,425 23,377
19 436 676 1,373 2,179 3,269 6,931 10,592 16,346 14,820 24,018
20 447 693 1,409 2,236 3,354 7,111 10,867 16,771 15,205 24,642
21 458 710 1,444 2,291 3,437 7,286 11,136 17,185 15,581 25,250
22 469 727 1,478 2,345 3,518 7,458 11,398 17,589 15,947 25,844
23 480 743 1,511 2,398 3,597 7,625 11,654 17,984 16,306 26,425
24 490 759 1,543 2,450 3,674 7,789 11,905 18,371 16,657 26,993
25 500 775 1,575 2,500 3,750 7,950 12,150 18,750 17,000 27,550
26 510 790 1,606 2,550 3,824 8,107 12,391 19,121 17,337 28,096
27 520 805 1,637 2,598 3,897 8,262 12,627 19,486 17,667 28,631
28 529 820 1,667 2,646 3,969 8,414 12,858 19,843 17,991 29,156
29 539 835 1,696 2,693 4,039 8,562 13,086 20,194 18,310 29,672
30 548 849 1,725 2,739 4,108 8,709 13,310 20,540 18,623 30,180
Zone and Fan Coil Valves
Valve Sizing and
Cross-Reference