[Tagging] Proposed features - RFC - Pipe valves

Warin 61sundowner at gmail.com
Mon Nov 26 21:44:24 UTC 2018


On 26/11/18 22:43, Xavier wrote:
> On Mon, Nov 26, 2018 at 08:02:46PM +1100, Warin wrote:
>> On 26/11/18 11:04, François Lacombe wrote:
>>> Hi,
>>>
>>> I think the document is complete, with all expected keys and values 
>>> for this step
>>> https://wiki.openstreetmap.org/wiki/Proposed_features/Pipeline_valves_proposal 
>>>
>>>
>>> Let me know if any question remains unanswered.
>>>
>>> Le jeu. 15 nov. 2018 à 01:12, Warin <61sundowner at gmail.com 
>>> <mailto:61sundowner at gmail.com>> a écrit :
>>>
>>>    I had no idea what a 'globe valve' was .. wikipedia has it ...
>>>    what I
>>>    had called 'jumper valves' as that is the bit I have replaced many
>>>    times.
>>>
>>>
>>> Glad to learn another way to name them too
>>> Jumper valve sounds like the domestic name for globe it seems
>>
>> Think it is more to do with naming the sealing washer? It "jumps" 
>> back to prevent back flow.
>> And defiantly domestic use.
>
> Do you mean a "one-way" or "check" valve?
>
> https://en.wikipedia.org/wiki/Check_valve
>
>

No. A check valve only does one thing, stops back flow.

A 'globe valve' controls the rate of flow anywhere from off to on, if 
fitted with a jumper valve it also stops back flow.





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