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“90 psi MAX” Ive seen this on all my air tools. From 1″ drive ingersoll impacts. To my tiny Cp angle grinder. Yet I use used them at a shop with (I think) 200 psi Worm gear air compressor. But people say it can cause the tool to crack or to blow the air fitting out the bottom of the handle. Or that its just not “Healthy” for the tool. But I have never had a problem with any of them other than a plastic blow gun. That got blown apart and turned the air hose into a missile lol. But have any of yall ever had anything fantastic happen from using above recommended psi?
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It will shorten the life of the air tools. Plus they put it on there to not get sued. Also are you sure you got 200PSI at your hose? Depending on the number of bays, the number of leaking air fittings at different locations, etc you probably are not getting 200PSI. Also it would probably be momentary as your sustained psi is more then likely a lot lower. My shops run 150PSI and you get about 125PSI.
Now with that being said you probably oil and grease your air tools which lengthens the life and would reduce heat and wear and tear. As for stuff exploding or screwing up the only air tool story I have was me not draining the one line at the bay close to our DPF burning kiln (hot outside air cold inside compressed air) and shooting about 2 gals of water through my 1/2 impact condensation sucks. I then went to a bay where someone had been using the air all day ran it dry then oiled it and ran it in either direction and repeated 3 times and it is still working fine.
Yea I guess that would make sense in case of a lawsuit. Where people get the idea that it could blow up is beyond me though. I can understand it getting hot and getting a stress fracture, Witch my buddy showed me his 3/4 gun and and all along side it was a decent crack and he just filled it with jb weld, but nothing really catastrophic.
It’s because people hear 200PSI and to a normal person that’s a lot and hey also don’t understand how vanes work in an air pump or air motor and the difference between pressure and flow. Then there is diesel mechanics and heavy duty mechanics where high pressure common rail systems regularly run 25,000psi to 30,000psi and can top out at 44,000psi and where hydraulics operate at extremely high pressures also. Then that goes into injection wounds because idiots think they can stop something or feel for a leak at that high of a pressure.
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