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Compressor advice

davey25

Well-known member
Joined
Jan 6, 2015
Messages
49
I'm sure this question has been asked before but I did a quick search and didn't find what I wanted..I'm buying a larger compressor and looking at the 60 to 80 gallon size..my largest consumption tool I will run is a sandblaster and sandblast cabinet, which their consumption varies a lot so hard to tell...the smaller 10 ish to 12ish scfm 60 gallons run around 450 to 800..the larger 60 to 80 gallon that run 16 to 20 scfm run around 1200 dollars..I will only run one tool at a time so I don't need 2 stage..what do you guys recommend or use and are happy with..thanks
 
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RECox286

Well-known member
Joined
Apr 11, 2012
Messages
1,399
Location
South Joisey (yeah, that is part of the USA)
If you will be doing a lot of sand blasting, then you will be

waiting for the smaller unit to catch up for sure. Same

story each time it's asked. It will only hurt once if you get

the bigger unit, but continue to hurt if you don't.

Uncle Bob
 
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redmondjp

Well-known member
Joined
Nov 25, 2014
Messages
2,318
Location
Redmond, WA
Quincy makes some single-stage pumps/compressors that put out a lot of air - they are usually used in building HVAC control systems but they almost always have 3-phase motors on them.

If you're going to run a sandblaster cabinet, you want at least 15-20scfm. If you try to use a smaller compressor, it will run constantly and you'll get a lot of moisture in the air which will frustrate you to no end as your blaster tip will clog.

I disagree that you don't need a 2-stage compressor - from reading other compressor threads here, you'll find a lot of people who are using one very successfully with their sandblast cabinets. If you get a single-stage one, it should have around 20scfm - that's going to require a minimum TRUE 5HP motor.

Watch the want ads for a good industrial-quality used one, even if you have to buy a single-phase motor for it. I got a Quincy 325 in excellent condition (albeit with a 3-phase motor on it) last month for $450. The deals are out there if you watch for them.
 

stikman56

Well-known member
Joined
Jun 12, 2014
Messages
3,127
Yeah, watch Craigslist.I ended up with a mint, hardly used Husky 80 gallon, 15.9 cfm at 90 p.s.i. for 300 bucks. Persistence always pays off for me,when I want something.
 

jopickens

Well-known member
Joined
May 29, 2009
Messages
176
Location
Grafton, WV
Another tip to help w/compressor maintenance and general piece of mind... install an hour meter wired to the motor side of the switch. I wired this one up soon after installing my compressor.

Josh
 

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