How To Repair An Air Compressor Tank
DelMN
| I just picked up a Rol-Air compressor with gas engine and twin tanks. The tanks leak at the bottom. Is it a good thought to repair, if then, what's the all-time style? Use a welded patch and/or just weld the holes? I will have a professional welder do information technology. Don't know if he has repaired air tanks merely a expert welder. Merely want your feedback. Thanks in accelerate. |
kcm.MN
Re: Repairing Air Compressor Tanks in respond to DelMN, 04-06-2017 xvi:09:33
| Yes, I haven't had the risk to see this washed often enough. Could probably sit and spend a whole solar day watching tires get "blasted" onto rims. *lol* And so far I've but seen this with motorcar tires. |
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jeffcat
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
 Another thing to add. Have you always seen one of these used in a tire shop? Fill with 125lbs. air and stick the nozzle between the tire dewdrop and the rim. Pop the brawl valve handle quickly. FWOSSSH! Tire seats itself. Then only air upward the tire. Guy poped on a truck tire out in the yard like you and I would eat a donut. |
ztrmowers
Re: Repairing Air Compressor Tanks in answer to jeffcat, 04-08-2017 06:45:16
| only if you had some practice with it. i take one and it also can scare the he!!!!!! out of yous. |
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buickanddeere
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Quoting Removed, click Modern View to see |
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Stephen Newell
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 xvi:09:33
| When I was immature I was a lensman for a newspaper. 1 consignment I had was to go out to a diesel fuel garage where they had a large commercial upright compressor they had been repairing. The bottom of information technology finally gave out and the compressor took off like a rocket and went through the can roof of the building landing in a field next to the store. |
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Paul
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I doubtfulness you will find a professional welder to attempt such a repair. Typically once pivot holes appear, the unabridged bottom surface is all thin ready to wear through Swiss cheese, and will keep breaking through. I know many dorsum yard mechanics will brazze or even weld, only it'southward a 'here hold my beer' sort of deal..... Could have real bad results. Lot of us started with quondam 100lb compressors, now we got a 125 or 150# compressor and try to put all that extra in the same tank.... It gets frightening, really...... There are lots of YouTube videos on this. Those tanks can rupture and then goose egg open similar they had a attachment, quite amazing. Hither is 1. It's but 3 minutes to view..... Paul
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Dick L
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Best non to repair it with over patches or trying to weld the holes. I made several accumulator air tanks out of 10 inch pipe and welding the ends with 1/4" plate steel. If I was to repair a bottom rusted air tank I would cut all the bottom out and make certain the fabricated new bottom was welded to the not rusted upper. A proper weld is stronger than the metallic your welding. Weld beads that look like bird dropping are not considered proper welds. |
parisspringstom
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 xvi:09:33
| Might work but the might not function scares me. I am cheap but I would simply scrap the tank. |
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dr sportster
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I was going to put a large metallic patch over the entire tank once just , then I idea better of information technology. Due to the oil I would have treated information technology equally welding a gas /fuel tank. Just like I said I ended upwardly throwing away the compressor. Tank would be uncertified , could exist dangerous etc etc. It would exist a series of pinholes you would be chasing and however have a shot tank. |
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ss55
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Replace it. If you lot repair it information technology volition need to be ASME certified once again and that will toll more than a new tank. I doubtable that no insurance company in the world would pay for whatsoever damages or injuries caused by an un-certified repair to a force per unit area vessel. |
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MarkB_MI
Re: Repairing Air Compressor Tanks in respond to ss55, 04-07-2017 x:13:14
| > I suspect that no insurance company in the world would pay for any damages or injuries caused past an un-certified repair to a pressure vessel. Insurers pay all the fourth dimension for the boneheaded deportment of insured parties. That's pretty much the definition of "negligence". |
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kcm.MN
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| If "I" were going to repair a leaking/rusted-out air tank, I would release all force per unit area and bleed any moisture from the tank, treat the tank with rust treatment, coat the inside to protect the remaining tank, then add most 1/4" thickness of fiberglass to the entire outside of tank. In other words, I'd buy a new tank. Geo - That was an AWESOME reference you made between an air tank and a 17-yr-one-time tractor rim!! Go along in mind, though, that air compressors that are regularly used will commonly come across MUCH more moisture than the within of a tractor rim. |
Mike M
Re: Repairing Air Compressor Tanks in respond to DelMN, 04-06-2017 sixteen:09:33
| Best to replace the whole tank. Non certain how big yours are , but I did a pocket-size one by using an air tank sold at semi truck dealers for trailers. They are not that expensive. Many people utilise Propane tanks for air storage tanks too. |
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Married2Allis
Re: Repairing Air Compressor Tanks in respond to DelMN, 04-06-2017 xvi:09:33
| Video non funny and hope the guy was ok, only I sort of feel that way every time I use my chinese Harbor Freight compressor ... not sure if it will blow skyhigh. :shock: |
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David G
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I experience sorry that you picked upward the compressor, I would have assumed information technology was in working guild, no way I would expect a used tank to be whatever better than the one you have. |
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Mark - IN.
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 sixteen:09:33
| I'm merely guessing that have weakened (rusted out) from the inside out to the point are leaking, the price of finding proficient used replacements at a flea market or garage sale for cheaper are much safer. If they are already leaking, the damage is done and you can't see the extent of the damage that could exist deadly. Speaking of that, I just heard a news blurb yesterday about a banality explosion somewhere yesterday and ended up killing one - iii people next door at another business applying for jobs. Rust causes bad things to happen especially under pressure level, then just be careful. Marking |
jimg.allentown
Re: Repairing Air Compressor Tanks in respond to DelMN, 04-06-2017 16:09:33
| The main reason for an air tank to rust out is from h2o laying in the lesser of information technology. The water comes from condensation from the atmosphere - especially during humid weather. The metal used in air tanks is generally a relatively mild steel. I worked for several years in a shop that made pressure vessels. Some of those vessels held pressures of over 10,000psi. I was one of the mechanics that hydro tested these vessels. Welding itself is not much of a trouble. Imperfections in the weld volition cause leaks. More important is the condition of the residue of the tank. Hydro testing after the repair at twice the working pressure will determine the integrity of the tank. A caution, though. Once a tank has rusted through from the inside, information technology should be assumed that the rest of the tank is weakened. The proper way to test a tank is using water, not air. The reason existence that water is nearly incompressible, so that if a vessel fails, it won't make a big blast. Compressed air, on the other manus, contains a lot of energy, and will brand a significant blast. |
BarnyardEngineering
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Wonderful, let'southward become buy some tank of unknown origin and condition from a complete stranger... Information technology's sure to exist amend than the rusted out one I have now! Even better, let'south sell my rusted out quondam air compressor to some unsuspecting schlub! |
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Geo-Th,In
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I would put a want advertising on craigslist for an air compressor tank. I sold a tank there because the cheap oil less compressor took a dump. Or I would sell information technology and purchase a new air compressor. No way would I attempt to weld a tank. I bet if y'all cutting the tank apart, it would look similar the 17 twelvemonth old rim I took off tractor that was full of mud and h2o. Massive amounts of rust and deep pits. There would be no mode to weld a rust pit. You would blow a bigger hole in tank with welder. Replace only, not repair. |
MarkB_MI
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| This is one of those perennial subjects that comes up every few months. And the responses are e'er the same, separate betwixt "are y'all nuts?" and "I've washed it plenty of times and haven't had one blow up (yet)". Consider the fact that when you repair an air tank, y'all put not only yourself at run a risk, but anyone who happens to come near the repaired pressure vessel. If you are fine with the possibility the tank might rupture and take your head off, that's one matter. Just do you lot actually have the right to put your family, friends and employees at hazard? |
kcm.MN
Re: Repairing Air Compressor Tanks in answer to DelMN, 04-06-2017 16:09:33
| It still concerns me about welding an air tank even if replacing the unabridged bottom. Reason is, welded areas similar to rust even faster, plus the metallic now has different properties equally information technology has had very intense heat applied. If a "repaired" tank explodes, results would most likely be far worse than a not-repaired tank. |
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JD Seller
Re: Repairing Air Compressor Tanks in answer to DelMN, 04-06-2017 xvi:09:33
| I have repaired air tanks. I cutting the unabridged bottom out and basically made a new tank. I likewise pressure level tested information technology total of water then practical 250 PSI to information technology with a Porta ability. With it not full of a compressed gas if information technology failed while pressure level testing information technology does not explode. I would NEVER but weld a patch on the hole only. I cut them out until I have practiced metal all the way around. I and then practice GOOD welds with a wire feed welder. If y'all weld it with a rod welder you more than probable will have leaks where you lot stop and first. If you count your time and materials you can purchase a good tank cheaper. |
David Thou
Re: Repairing Air Compressor Tanks in respond to JD Seller, 04-06-2017 20:06:41
| JD, Welding upward a pressure tank like that without an ASME R stamp is but inviting a lawsuit to financially ruin you. |
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circus
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 sixteen:09:33
| Use at your own risk. Like stated, welding isn't kosher, it might increase the danger of blowing. Soldering tiny holes with an iron might give y'all a couple years. An fe shouldn't fifty-fifty blueish the steel. Use at your own risk. |
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wgm
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 sixteen:09:33
dzc3
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Contact Samuel Pressure Vessel Group. They sell good tanks at reasonable prices. If you value your life or those around you lot Do Non weld on a rusted erstwhile tank |
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jeffcat
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I have seen it done merely they replaced the whole bottom of the tank. A patch 4 inches past 30 inches. It was withal fine 7 or 8 years latter. Now I Also saw the aftermath of an air explosion on a Mennonite farm. Lots of those guys utilise diesel fuel engines and air tools. They hook an air compressor to the diesel engine while they are milking the cows at the same time. They utilise really actually large air tanks for storage. How about a couple of 500 gallon tanks in the basement of your house just down from the barn?? What happens when something lets go? Picked upwardly the whole house and moved information technology slightly to the side 5 or 6 inches. They jacked the house support a few days latter and put it back where it belonged. Simple answer is $400.oo for a new tank is very cheep. |
Stephen Newell
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 sixteen:09:33
| The just fourth dimension I've ever welded on an air compressor tank was one with a defect weld toward the top, not rusting out at the lesser. The only fix for one rusting out is a new tank. |
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Eric in IL
Re: Repairing Air Compressor Tanks in respond to DelMN, 04-06-2017 16:09:33
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Steve A Due west
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| I must agree with the others, It'southward a bad idea!
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Dick L
Re: Repairing Air Compressor Tanks in reply to Steve A W, 04-06-2017 17:13:00
| You can blow a brand new certified tank when a relief valve fails when the force per unit area switch fails at the aforementioned time with a large enough motor and a tight enough belt. Silly to compare those pictures with the side ripped out with a hole rusted in the lesser. It takes farthermost force per unit area to blow the side off. |
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RobCons
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 xvi:09:33
| Pretty good chance the entire bottom is thin from rust. Most likely the welder volition be chasing holes for awhile. As he closes ane pigsty some other volition appear. Use the motor for another project and scrap the tanks. |
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Janicholson
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| An air compressor tank is a dainty flop. When they leak, the metal in the area of the leak has corroded (within) if yous weld it, yous radically change the metallurgy of the heat afflicted zone at the weld. If it blows you may be dead. if it blows with someone else in the building your widow volition have nothing. Jim |
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JMOR
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Do you like to risk? How much of a risk taker are you? Tin you lot find a welder that has cypher to lose when it comes to liability claims? |
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ztrmowers
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 sixteen:09:33
| could be cheaper just buy new tanks been downwardly that route. |
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David Chiliad
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Welding tanks should require ASME postage stamp from welder. |
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David G
Re: Repairing Air Compressor Tanks in reply to David G, 04-06-2017 16:21:26
| Field work would be "R" addendum |
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Scott 730
Re: Repairing Air Compressor Tanks in reply to DelMN, 04-06-2017 16:09:33
| Quoting Removed, click Modern View to run across |
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