Tag:outlet=valve
| outlet = valve |
| Description |
|---|
| A valve, including sluice gates, control the flow of a pipe, tunnel or canal outlet |
| Used on these elements |
| Useful combination |
| Status: approved |
| Tools for this tag |
|
A valve controls the fluid flowing through a given outlet.
It includes gate, hollow_jet, check or butterfly
Examples
Culverts or tunnels
| Photo | Location | Tagging | Comments |
|---|---|---|---|
| USA | A gate is controlling flow through an outlet of a discharge tunnel of Hoover Dam. See it closed below |
Pipelines
None of these situations indicates the water reach a water body, so no combination with man_made=outfall is made.
| Photo | Location | Tagging | Comments |
|---|---|---|---|
| France | A special kind of pipeline outlet with valves spreading a dense flow of water on a wide area as to reduce downstream damage or erosion
| ||
| USA | A hollow jet valve provided by Howell-Bunger in operation downstream of a dam | ||
| USA | A needle valve could also be used to mitigate impact of pressurised output water, here at the bottom of a dam | ||
| - | Such a protection, sometimes called a flap valve, prevents downstream floodwater to get in the underground drain. The flapper of the check valve only moves when upstream flow comes at enough level to raise the movable gate. |
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