Resources, Tools and Basic Information for Engineering and Design of Technical Applications!
Custom Search
Ball Valves and typical Flow Coefficients - Cv
Typical flow coefficients - Cv - for ball valves - reduced and full bore
Sponsored Links
Conventional ball valves are normally not used as throttling valves since partial flow will create high velocity flow tear at the ball and seals.
Full Bore Valves
Typical flow coefficients - Cv - for full bore valves:
| Valve Size | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| inches | 1/2 | 3/4 | 1 | 1 1/2 |
2 | 2 1/2 |
3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
| mm | 12 | 19 | 25 | 37.5 | 50 | 62.5 | 75 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 |
| Flow Coefficient Cv |
26 | 50 | 94 | 260 | 480 | 750 | 1300 | 2300 | 5400 | 10000 | 16000 | 24000 | 31400 | 43000 | 57000 |
Reduced Bore Valves
Typical flow coefficients - Cv - for reduced bore valves:
| Valve Size | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| inches | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 |
| mm | 75 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 |
| Flow Coefficient Cv |
420 | 770 | 1800 | 2500 | 4500 | 8000 | 12000 | 14000 | 18000 | 22000 |
Sponsored Links
Search the Engineering ToolBox
Custom Search
Engineering ToolBox - SketchUp Edition - Online 3D modeling!
Engineering ToolBox - SketchUp Edition - enabled for use with the amazing, fun and free Google SketchUp
Translate the Engineering ToolBox
About the EngineeringToolbox
Advertise in the Engineering ToolBox