Tag:valve=hollow_jet
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 valve = hollow_jet
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| Description |
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Kind of valve design intended to spread a wide amount of fluid when opened as to avoid erosion issues downstream 
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| Group: pipelines |
| Used on these elements |
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| Requires |
| Useful combination |
Status: approved
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| Tools for this tag |
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A hollow jet valve is a particular kind of valve, pretty always installed on a duct outlet as to spread a high amount of fluid. This spread reduces any erosion damage downstream.
It requires outlet=valve as such valves will be always found at ducts' end. It always meets requirements for an actual outlet:
- Significant amount of fluid is expected through this kind of valve (so significant it needs to be dispersed).
- No ability to continue piping directly after the valve. The flow is dispersed on purpose as to not damage downstream environment.
Examples
| Photo | Location | Tagging | Comments |
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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
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USA | A hollow jet valve provided by Howell-Bunger in operation downstream of a dam |