Tuxing HPA station, gold air filter Safety

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hgg2k

hgg2k

Member
Apr 29, 2021
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Greece
Hi,

I am finishing a small HPA filling station using a Tuxing single piston compressor
with a permanent water coolling circuit. I am waiting for another 3 fans and the
installation of the Tuxing gold filter.



You may have seen on Amazon the incident with a Tuxing filter torn in half.
I asked Tuxing about that and they told me that the buyer never bought
from them on Amazon and that he could be a competitor or false accusation.

Despite that, I want to make sure that the tube is safe as possible. I will be
filling up to 250 bar maximum, usually 230 bar. I've seen similar tubes failing
at the threads and injecting the cap...

Do you think its a good idea to use a clamp like in the photo to compress the
tube around the threads? I think that a rapture might be safer than an ejection
of the caps. What do you think?



Thanks.
 
Not agreeing or dis-agreeing/ If failure was at a lower psi without the clamp then the (explosion) failure would be less. But if the clamp prolonged the failure then the (explosion) failure would be of greater intensity, more dangerous. I am thinking back in the day of steam, engineers tied down the Pressure Relief Valve to get more steam pressure for speed/power. Then "Boom", I would use a burst disk inline if I was concerned, or possibly an expanded metal cage loosely designed to shroud any possible failures. I own the same filter and currently use it in the same manner in your picture and have had no issues thus far.
 
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In the beginning I thought that it would be a good idea to insert the filter into a steel tube,
but then I will create a canon... If you reinforce the threads then the next possible point of
failure might be the middle of the aluminum tube rupturing which might be safer but I am
not sure that is why I am asking for second opinions.
 
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Hgg2K,
Nice set-up, I've heard mention of a spring-suspended base, this is the first I've seen. Think Blankshot17 called this correctly, re-inforcing could lead to a greater intensity catastrophe. The M50 filter, I'll include pic of Owner's Manual, has burst disc protection, which might be another way to approach this. WM
IMG_20221022_234748.jpg
 
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Blankshot17 said:
Not agreeing or dis-agreeing/ If failure was at a lower psi without the clamp then the (explosion) failure would be less. But if the clamp prolonged the failure then the (explosion) failure would be of greater intensity, more dangerous. I am thinking back in the day of steam, engineers tied down the Pressure Relief Valve to get more steam pressure for speed/power. Then "Boom", I would use a burst disk inline if I was concerned, or possibly an expanded metal cage loosely designed to shroud any possible failures. I own the same filter and currently use it in the same manner in your picture and have had no issues thus far.
Click to expand...
Can you suggest an inline burst disk?
 
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Just because people post a pic of a failure it doesn’t mean it wasn’t user induced. It’s possible they may have just poured their drying media directly into the filter cannister. Those beads when wet produce acid which can weaken the aluminum. The drying media must be kept from touching the aluminum. I don’t know this is what happened. Anything is possible but you certainly don’t hear about gun air cylinders exploding. So that story seems suspect.
 
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Have you ever compared the thickness of the air storage tube on your gun to the thickness of the extra moisture trap on your compressor? I should do a measurement sometime. I think the moisture trap is close to 10 times as thick. The gun tube is probably a better alloy of aluminum but still I think the filters are robust. Mine also seem to have plenty of threads. I check my color change dessicant (in it's separate clear plastic tube) and try to remember to look at the aluminum bits at that time. I think that is all that is really needed - look for damage or degredation. But if the clamp makes you feel better I don't see what it hurts. I've had the O-ring that seals the end cap fail during a tank fill before. I think the O-ring is the weak link, not the metal. The clamp would slow me down changing the O-ring but that is the only downside I see.
 
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