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Rotary Compressors and Dryers10/13
We have a small Kaesar compressor it's been working great for a long time. It's also very expensive to service.
We will be upgrading at some point -
Are Ingersoll Rand rotary compressors as reliable as the Kaesar? How about cost to service?
Any thoughts on the best dryer?
We have 2 IR dryers and both work great. Just picked up a Hydrovane 10HP screw and love the lack of noise. Ran a 7.5 HP Sullivan- Palletek for 3 years, never an issue. Had a Kaeser dryer and once the estimate came in for a repair, I went to IR and never looked back
Sulliar Shoptek ST500 for about 5 years. Nice little combo unit, tank with compressor and dryer. Plug it in and go. Seems pretty good. Have had a few nuisance issues to correct (pressure switch went out 1-2 years ago, oil relief line that was MFG'd in plastic switched out to SS line to prevent leaking. Done the normal service work less frequently than suggested at times as I have heard that it is a bit over kill on these smaller machines. Sullair oil is very $$ btw. A few hundred dollars/year in just regular maintenance (us doing it, to have 'them' do it is crazy expensive)
It runs 40-50 hrs/week pretty steady especially now as we are about to outgrow it.
Rotary compressors have some advantages, but the service cost is always higher than a piston version. Not sure it is really justified at our size, though I like how quite they are. I hear Quincy has some pretty quite piston units now. They claim lower power costs, but I struggle with the real math on that one. I think that it may be 'technically true' but in the real world it is a bit like pissing in the ocean. Yes the level rises, but you are not going to see it.