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My TIG torch cooler is loud. Very loud.
Any easy path to a quiet pump? Would a peristaltic pump work maybe?
A peristaltic will not deliver the required pressure. Due to the small hose size and restriction at the TIG torch, a relatively high pressure is required, I think usually around 60-90psi.
That is why a fixed displacement pump is used with a pressure regulating valve.
Usually the pumps are relatively quiet. It is the fan mounted on the end of the pump motor shaft and all of the sheet metal rattling and resonating that makes the noise.
When Miller went to the plastic cooler bodies, that in itself did much to lower the noise. Not sure if they did anything on the pump side to lower sound.
Googling peristaltic pumps says many are 125 PSI. Not sure if an old Ebay one will do that, but I might give it a try. I'd think a peristaltic pump is just limited by the hose you use.
Mine is "Dynaflux" with a bronze gear pump. I bet it's from the 80's. The Procon pumps sound pretty nice. that might be the easiest route.
My shop is just me. If I'm TIG welding there probably isn't anything else going on. And that little pump is just ear piercing loud. The tone of it is horrible.
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