Product Catalogue

Combustion Series 22 - 2" thru 14" for 125/150 lb. Flanging

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Cv Data for Combustion Series 22 Swing Thru Seat

By definition, Cv is the flow coefficient of a control device or flow restriction. Cv is defined as the number of US gallons of 60°F water per minute which will flow through the given restriction with a one pound per square inch pressure drop.

Cv Values
(Flow in GPM of 60°F water at 1 psi pressure drop, Specific Gravity=1)

VALVE
SIZE
DISC ANGLE, DEGREES
10 20 30 40 50 60 70 80 90
2" 2 5 12 21 36 51 67 87 95
2.5" 4 8 21 36 59 88 132 187 204
3" 6 15 32 54 89 139 212 293 389
4" 14 29 57 103 167 270 411 578 784
5" 22 45 92 166 278 450 668 959 1,336
6" 32 66 132 239 401 664 1,003 1,439 2,099
8" 56 117 236 426 714 1,181 1,783 2,721 4,046
10" 87 183 369 667 1,116 1,847 2,788 4,255 6,679
12" 126 265 531 960 1,608 2,660 4,017 6,127 9,622
14" 150 317 636 1,151 1,927 3,187 4,813 7,342 11,530

While this information is presented in good faith and believed to be accurate, PDC inc. does not guarantee results from reliance upon such information. Nothing contained herein is to be construed as a warranty or guarantee, expressed or implied, regarding the merchantability, fitness or any other matter with respect to the products. PDC Inc. reserves the right, without notice, to alter or improve the designs of the products herein.

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