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Difference between revisions of "Passive Vent"

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<languages />
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<translate>
 
{{Itembox
 
{{Itembox
  | name       = Passive Vent
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  |           name = Kit (Passive Vent)
  | image       = [[File:ItemPassiveVent.png]]
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  |           image = [[File:ItemPassiveVent.png]]
  | stacks      = 5
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  |         stacks = 5
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| recipe_machine1 = Hydraulic Pipe Bender
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|    recipe_cost1 = 3g [[Ingot (Iron)|Iron]]
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|          volume = 100L
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|      prefabhash = 238631271
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|      prefabname = ItemPassiveVent
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|      paintable = Yes
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}}
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{{Structurebox
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|            name = Passive Vent
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|            image = [[File:StructurePassiveVent.png|Passive Vent]]
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|      prefab_hash = 335498166
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|      prefab_name = StructurePassiveVent
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|        paintable = Yes
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| placed_with_item = [[Kit (Passive Vent)]]
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|  placed_on_grid = Dynamic
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| decon_with_tool1 = [[Wrench]]
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|        item_rec1 = [[Kit (Passive Vent)]]
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}}
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{{Structurebox
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|            name = Passive Vent (Passthrough)
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|            image = [[File:StructureWallVent.png|Passive Vent (Passthrough)]]
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|     prefab_hash = -1177469307
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|      prefab_name = StructureWallVent
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|        paintable = Yes
 +
| placed_with_item = [[Kit (Passive Vent)]]
 +
|  placed_on_grid = Dynamic
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| decon_with_tool1 = [[Wrench]]
 +
|        item_rec1 = [[Kit (Passive Vent)]]
 
}}
 
}}
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{{Structurebox
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|            name = Passive Vent (Valve)
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|            image = [[File:StructurePassiveVentValve.png|Passive Vent (Valve)]]
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|      prefab_hash = -75599100
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|      prefab_name = StructurePassiveVentValve
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|        paintable = Yes
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| placed_with_item = [[Kit (Passive Vent)]]
 +
|  placed_on_grid = Dynamic
 +
| decon_with_tool1 = [[Wrench]]
 +
|        item_rec1 = [[Kit (Passive Vent)]]
 +
}}
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== Description == <!--T:1-->
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{{Quote|This kit creates a Passive Vent among other variants.|Stationpedia}}
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Permits gasses to go through when connected to a pipe network.
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You can think of a passive vent as removing the end cap of a pipe system. A pipe on its own - even if it visually looks different! - is always closed on both ends (unless devices are attached to the end of the pipe). So there will be no exchange of gases between the pipe and the surrounding environment. Heat may be exchanged, but no gasses!
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If you place a passive vent on the end of a pipe, the pipe and the surrounding environment will basically become one and the same "system". That means the gas mixture in the pipe and the surrounding environment will instantly(!) average out (which may affect the pressure, temperature and mixture of both the pipe and the surrounding environment) and will always be identical after that initial "evening out".
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There is no other active component needed for this "evening out" between the pipe and the surrounding environment to happen; the passive vent does this on its own.
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But there will be no gas exchange beyond this "evening out". So if you, e.g. want to transport gas from a room through a passive vent and its attached pipe system to somewhere else, you need an active component - like an active vent, a pump or filtration unit, etc. - somewhere along the pipe.
  
<translate>
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Consider the smaller [[Pipe Cowl]] as an alternative.
== Description == <!--T:1-->
 
Permits gasses to go through when connected to a pipe network. It requires to be connected to a device capable of pushing/pulling air for it to be effective.
 
 
</translate>
 
</translate>
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== See also ==
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* [[Insulated Passive Vent]]
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* [[Pipe Cowl]]
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[[Category:Atmospherics]][[Category:Item]]

Latest revision as of 10:30, 26 November 2025

Other languages:
English
Kit (Passive Vent)
ItemPassiveVent.png
Volume 100L
Properties
Stacks Yes (5)
Paintable Yes
Recipes
Hydraulic Pipe Bender 3g Iron
Logic
Item Hash 238631271
Item Name ItemPassiveVent
Passive Vent
Passive Vent
Paintable Yes
Operation
Prefab Hash 335498166
Prefab Name StructurePassiveVent
Construction
Placed with Kit (Passive Vent)
Placed on Dynamic
Paintable Yes
Stage 1
Deconstruction
Deconstructed with Wrench
Item received Kit (Passive Vent)
Passive Vent (Passthrough)
Passive Vent (Passthrough)
Paintable Yes
Operation
Prefab Hash -1177469307
Prefab Name StructureWallVent
Construction
Placed with Kit (Passive Vent)
Placed on Dynamic
Paintable Yes
Stage 1
Deconstruction
Deconstructed with Wrench
Item received Kit (Passive Vent)
Passive Vent (Valve)
Passive Vent (Valve)
Paintable Yes
Operation
Prefab Hash -75599100
Prefab Name StructurePassiveVentValve
Construction
Placed with Kit (Passive Vent)
Placed on Dynamic
Paintable Yes
Stage 1
Deconstruction
Deconstructed with Wrench
Item received Kit (Passive Vent)

Description[edit]

This kit creates a Passive Vent among other variants.
—Stationpedia

Permits gasses to go through when connected to a pipe network.

You can think of a passive vent as removing the end cap of a pipe system. A pipe on its own - even if it visually looks different! - is always closed on both ends (unless devices are attached to the end of the pipe). So there will be no exchange of gases between the pipe and the surrounding environment. Heat may be exchanged, but no gasses!

If you place a passive vent on the end of a pipe, the pipe and the surrounding environment will basically become one and the same "system". That means the gas mixture in the pipe and the surrounding environment will instantly(!) average out (which may affect the pressure, temperature and mixture of both the pipe and the surrounding environment) and will always be identical after that initial "evening out".

There is no other active component needed for this "evening out" between the pipe and the surrounding environment to happen; the passive vent does this on its own.

But there will be no gas exchange beyond this "evening out". So if you, e.g. want to transport gas from a room through a passive vent and its attached pipe system to somewhere else, you need an active component - like an active vent, a pump or filtration unit, etc. - somewhere along the pipe.

Consider the smaller Pipe Cowl as an alternative.

See also[edit]