Valve selection guide:
Ref: http://www.engineeringtoolbox.com
| Conveyed Fluid | Nature of Fluid | Valve Function | Type of Disc |
|---|---|---|---|
| Liquid | Neutral (Water, Oil, etc) | On/Off | Gate |
| Rotary ball | |||
| Plug | |||
| Diaphragm | |||
| Butterfly | |||
| Plug gate | |||
| Control valve, modulating | Globe | ||
| Butterfly | |||
| Plug gate | |||
| Diaphragm | |||
| Needle | |||
| Corrosive (Acid, alkaline etc.) | On/Off | Gate | |
| Plug gate | |||
| Rotary ball | |||
| Plug | |||
| Diaphragm | |||
| Butterfly | |||
| Control valve, modulating | Globe | ||
| Diaphragm | |||
| Butterfly | |||
| Plug gate | |||
| Hygienic (Food, beverages, drugs etc) | On/Off | Butterfly | |
| Diaphragm | |||
| Control valve, modulating | Butterfly | ||
| Diaphragm | |||
| Squeeze | |||
| Pinch | |||
| Slurry | On/Off | Rotary ball | |
| Butterfly | |||
| Diaphragm | |||
| Plug | |||
| Pinch | |||
| Squeeze | |||
| Control valve, modulating | Butterfly | ||
| Diaphragm | |||
| Squeeze | |||
| Pinch | |||
| Gate | |||
| Fibrous Suspensions | On/Off, Control valve, modulating | Gate | |
| Diaphragm | |||
| Squeeze | |||
| Pinch | |||
| Gas | Neutral (Air, Steam etc) | On/Off | Gate |
| Globe | |||
| Rotary ball | |||
| Plug | |||
| Diaphragm | |||
| Control valve, modulating | Globe | ||
| Needle | |||
| Butterfly | |||
| Diaphragm | |||
| Gate | |||
| Corrosive (Acid vapors, chlorine etc.) | On/Off | Butterfly | |
| Rotary ball | |||
| Diaphragm | |||
| Plug | |||
| Control valve, modulating | Butterfly | ||
| Globe | |||
| Needle | |||
| Diaphragm | |||
| Vacuum | On/Off | Gate | |
| Globe | |||
| Rotary ball | |||
| Butterfly | |||
| Solids | Abrasive Powder (Silica, etc) | On/Off, Control valve, modulating | Pinch |
| Squeeze | |||
| Spiral sock | |||
| Lubricating powder (graphite, talcum, etc | On/Off, Control valve, modulating | Pinch | |