Tag:valve=needle
| valve = needle |
| Description |
|---|
| A valve allowing precise regulation of fluid flow involving a needle or a pointy moving part. Shouldn't be confused with globe valve |
| Group: Pipelines |
| Used on these elements |
| Useful combination |
| Status: approved |
| Tools for this tag |
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A Needle valve involves a pointy moving part - the needle - and allows a precise regulation of fluid flows. Since the needle can be massive, it bares heavy pressure deltas and we can find them in industries, thermic motors and even hydroelectric turbines water injectors.
You can complete their description in OSM with actuator=*, turn_to_close=* or handle=*. See examples
Examples
| Photo | Location | Tagging | Comments |
|---|---|---|---|
| Switzerland |
pipeline=valve
|
A closed needle valve designed to regulate the intake of water toward a pelton power turbine. The opening of the needle allows the water to be directed to the turbine with the appropriate power. |
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