Product Catalogue

Thread End Series 07 - 1" thru 4"

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Cv Values for PDC Thread End Series Valves

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 Valves

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

Valves Size Disc Angles, Degrees
10 20 30 40 50 60 70 80 90
1 1 3.5 8 12 16 20 32 42 45
1.5 2.1 4.5 9 17 31 51 80 137 219
2 3.5 7 15 27 51 83 130 222 355
2.5 4.9 10 22 39 73 119 186 317 508
3 8 16 34 61 113 185 289 493 789
4 13 28 60 106 198 323 505 862 1,380

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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