WTB: Rotary Screw Air Compressor
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  1. #1
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    Default WTB: Rotary Screw Air Compressor

    Looking for a good working condition rotary screw air compressor for my shall shop on a limited budget.
    With an air dryer would be nice, but not mandatory. With tank or without.
    In the Napa, California area.

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    Quote Originally Posted by rpseguin View Post
    Looking for a good working condition rotary screw air compressor for my shall shop.
    With an air dryer would be nice, but not mandatory.
    In the Napa, California area.
    i have a 20 hp 75 cfm italian one,w/ big separate air dryer-they are excellent!-pat,over in sebastopol--if interested,will send pics

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    we have a 50 hp Ingersol Rand with lower hours. No air dryer, altho I do have a Kaeser refrigerated air dryer with a leaky heat exchanger I'll give you if you buy our compressor. Asking 10,000.00 for all of it.

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    I can quote you a new Atlas Copco if you would consider going new.

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    Quote Originally Posted by pat pounden View Post
    i have a 20 hp 75 cfm italian one,w/ big separate air dryer-they are excellent!-pat,over in sebastopol--if interested,will send pics
    PM sent.
    Interested

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    Default WTB: Rotary Screw Air Compressor

    Quote Originally Posted by Berg-520 View Post
    I can quote you a new Atlas Copco if you would consider going new.
    Is it 90% off sale day? Or was that yesterday and I missed it? :-)

    I would be curious to see some quotes for smaller ones.

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    Quote Originally Posted by greggv View Post
    we have a 50 hp Ingersol Rand with lower hours. No air dryer, altho I do have a Kaeser refrigerated air dryer with a leaky heat exchanger I'll give you if you buy our compressor. Asking 10,000.00 for all of it.
    Thanks, but too big and quite a bit more than I can afford.

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    One of these?
    Eastwood QST 30/60 air compressor
    It might not be large enough, you dont say what your needs are.

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    Quote Originally Posted by Rob F. View Post
    One of these?
    Eastwood QST 30/60 air compressor
    It might not be large enough, you dont say what your needs are.
    Yes.
    Interesting!
    That could work!
    I have a small shop in my garage.
    My current California Air Tools compressor, while super quiet, is not adequate.

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    I have a Kaeser SK26, the motor needs to be send for rewind. I gave it to my neighbor to try to use, but he isn't doing anything with it. If you are serious I can get it back. I wouldn't want much for it, I can even repair it and service it if you don't feel comfortable with that type of repair. PM if you are serious.

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    Quote Originally Posted by SShep71 View Post
    I have a Kaeser SK26, the motor needs to be send for rewind. I gave it to my neighbor to try to use, but he isn't doing anything with it. If you are serious I can get it back. I wouldn't want much for it, I can even repair it and service it if you don't feel comfortable with that type of repair. PM if you are serious.
    Iím interested.
    PM sent!

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    This one I saw is 11 hp instead of 20 hp like the SK26, price looks good on it. Have to factor in shipping costs.
    Procyon Machine

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    Quote Originally Posted by rpseguin View Post
    My current California Air Tools compressor, while super quiet, is not adequate.


    Probably not worth shipping to East Coast, but I've considered running a PAIR of those, one alone nearly always, maybe rotated to even-out wear, and both, manifolded-up only rather seldom. Might not do for YOUR needs, surely would for mine vs the rude C-H I have now..

    So.. capacity limitations aside, how well has it served you, otherwise, and would you do it again, larger for the reliability, "relatively" low noise, & such?

    TIA

    Bill

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    Quote Originally Posted by Rob F. View Post
    This one I saw is 11 hp instead of 20 hp like the SK26, price looks good on it. Have to factor in shipping costs.
    Procyon Machine
    Email Don or ring him up. He doesn't traffic in junk, but that website is a tad stale, given the Cazenueve HBX-360 has been under MY roof, not his, for "quite some time, already".


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    How much air we talking here, and what flavor ?
    5 buckets a minute, or 5 barrels a minute ?
    And how much in each bucket ?

    How much power line doo you have as well ?

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    Unless OP is doing a lot of sand blasting, a 15hp rotary seems like too much compressor for a garage shop. I'm running my shop on a 7.5hp and it makes more air than I need. A 15hp wouldn't even run long enough to keep the oil warm.

    There are small (3-5) hp rotaries that you can get in 240V single phase, that might be a good place to start looking. The little Kaeser air centers look pretty sweet, and a small footprint.

    Buying used, expect to spend $400-$500 to do a full service before putting it to work.

    Buying a used screw, I'd want to pull the inlet valve and do a visual inspection of the air end.

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    Quote Originally Posted by digger doug View Post
    How much air we talking here, and what flavor ?
    5 buckets a minute, or 5 barrels a minute ?
    And how much in each bucket ?

    How much power line doo you have as well ?
    Probably 5 buckets a minute (maybe occasionally up to 25 SCFM, but usually less).
    I have 125A service, but Iím working on upgrading to 200A service.
    Iím running a 25HP rotary phase converter for my 3ph machines, but for a compressor, Iíd love to run it with a VFD from single phase so I donít have to run the RPC.

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    Quote Originally Posted by rpseguin View Post
    Probably 5 buckets a minute (maybe occasionally up to 25 SCFM, but usually less).
    I have 125A service, but I’m working on upgrading to 200A service.
    I’m running a 25HP rotary phase converter for my 3ph machines, but for a compressor, I’d love to run it with a VFD from single phase so I don’t have to run the RPC.
    assuming 125 psi max ?

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    Quote Originally Posted by jancollc View Post
    Unless OP is doing a lot of sand blasting, a 15hp rotary seems like too much compressor for a garage shop. I'm running my shop on a 7.5hp and it makes more air than I need. A 15hp wouldn't even run long enough to keep the oil warm.
    I agree. Thatís why I said, max of 15HP. :-)
    A lot of the used ones Iím finding are 20+ Hewlett Packards, so way beyond what I need.


    Quote Originally Posted by jancollc View Post
    There are small (3-5) hp rotaries that you can get in 240V single phase, that might be a good place to start looking. The little Kaeser air centers look pretty sweet, and a small footprint.

    Buying used, expect to spend $400-$500 to do a full service before putting it to work.

    Buying a used screw, I'd want to pull the inlet valve and do a visual inspection of the air end.
    Ok.
    Thanks for the tips!
    Given a choice, my preference would be to have 3 phase motor over single motor and use a VFD soft start, ...

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    Quote Originally Posted by digger doug View Post
    assuming 125 psi max ?
    Yes. In that ballpark


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