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Posted by SteveB on March 7, 2008, 11:05 pm
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I'm noticing that my propane tanks sometimes just shut off flow. I also
noted that the new OPD tanks cannot release gas without having a fitting
screwed in. But at times, the pressure drops to zero, and then when I shut
off all the valves, it comes out again. Is that pressure protection device
of some sort?
Steve
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Posted by Martin H. Eastburn on March 7, 2008, 11:32 pm
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Welcome to Propane... :-)
The pressure gage on a propane tank is not functional. Propane
will self regulate from vapor to liquid.
Flow is good. The tank likely got cold and pressure dropped as it turned
to liquid based on the pressure/temp of the tank.
The tank likely was getting frosty on the outside. I have been known to
put tanks into buckets of water or wet them down to rid the ice.
OPD is the save the dumbest person on earth connector. I say burn them!
Sounds like you are using small BBQ size tanks - a 5' sized.
I have a chest high - or 3x or 4x sized tank that is the commercial nozzle.
That size is the smallest I could buy - forklift is smaller but expensive.
If you weld or braze - you likely want the full pressure, flow and larger tank.
Martin
Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/
SteveB wrote:
> I'm noticing that my propane tanks sometimes just shut off flow. I also
> noted that the new OPD tanks cannot release gas without having a fitting
> screwed in. But at times, the pressure drops to zero, and then when I shut
> off all the valves, it comes out again. Is that pressure protection device
> of some sort?
>
> Steve
>
>
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Posted by Ernie Leimkuhler on March 8, 2008, 1:25 am
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> I'm noticing that my propane tanks sometimes just shut off flow. I also
> noted that the new OPD tanks cannot release gas without having a fitting
> screwed in. But at times, the pressure drops to zero, and then when I shut
> off all the valves, it comes out again. Is that pressure protection device
> of some sort?
>
> Steve
Sometimes the float inside the tank gets stuck and shuts off the output.
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Posted by Terry Coombs on March 8, 2008, 7:43 am
Please log in for more thread options Ernie Leimkuhler wrote:
>
>> I'm noticing that my propane tanks sometimes just shut off flow. I also
>> noted that the new OPD tanks cannot release gas without having a fitting
>> screwed in. But at times, the pressure drops to zero, and then when I shut
>> off all the valves, it comes out again. Is that pressure protection device
>> of some sort?
>>
>> Steve
>
> Sometimes the float inside the tank gets stuck and shuts off the output.
I've found that if I crank the valve open too fast it will shut off
flow . Something to do with that OPD device . I just shut it off and
crack it open slower .
--
Snag
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Posted by Bob La Londe on March 8, 2008, 11:06 am
Please log in for more thread options > Ernie Leimkuhler wrote:
>>
>>> I'm noticing that my propane tanks sometimes just shut off flow. I also
>>> noted that the new OPD tanks cannot release gas without having a fitting
>>> screwed in. But at times, the pressure drops to zero, and then when I
>>> shut off all the valves, it comes out again. Is that pressure
>>> protection device of some sort?
>>>
>>> Steve
>>
>> Sometimes the float inside the tank gets stuck and shuts off the output.
>
> I've found that if I crank the valve open too fast it will shut off flow
> . Something to do with that OPD device . I just shut it off and crack it
> open slower .
> --
> Snag
Heck the OPD tanks I have don't even seem to work well for my BBQ grill. I
just scrounged up a 100 pound tank to use because they can still fill those
with the older style valve that WORKS.
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> noted that the new OPD tanks cannot release gas without having a fitting
> screwed in. But at times, the pressure drops to zero, and then when I shut
> off all the valves, it comes out again. Is that pressure protection device
> of some sort?
>
> Steve
>
>