Question about Psi Air Tools & Compressors
I need to figure out how many cfm my compressor puts out at 23psi with the above measurements. Thanks
Hard to give an exact number, however, as pressure and temp of air increases, the scfm drops as you see in your numbers. With low pressure such as 0 thru 25 the temp of the air is also low/nominal thus the scfm will be very close to the actual cfm listed for the compressor pump.
Posted on Jun 12, 2015
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Posted on Jan 02, 2017
You may be able to find the belt you need on ebay. There is a seller named "Footballcardcellar" who lists these often and they are alot cheaper than buying the kit from Husky. Just search "Air compressor belt husky"
Posted on Mar 28, 2010
Too small,on CFM
If your spending less than $400 to 800,forget it
I had a Campbell Hausfeld for 30 years,with 20 gallon
I replaced it with an upright,30 gallon
I do not use an impact on wheel nuts,ever,and I use a torque wrench set at 80# going on.
That has worked for me,damage free for 35 years.
What kills the air,is the air chisel and worse,the cut off tool,which you will use the most.
Make sure what ever you get, uses oil,the oil less units last about 3 years.
Two stage is best,but I still have a single
Has to be wired for 220 volt,unless you like paying the electric bill
So hope you have circuit breaker and 1900 box branch circuit wiring experience
Forget the gas engine,unless your going on the road every week
You need about a steady 100# to really run any air tool--so that translates to about 10 CFM,little pricy
Posted on Oct 22, 2010
We have a Westinghouse 3YC air compressor. The safety relief valve in the line between the two compressors started "popping off" recently. The compressor seems to be working fine. Is this a problem only with the relief valve or could there be a symptom of a more serious condition that we should be attending to? The valve is stamped 60 max which I assume is 60 psi. Is this the correct size. The tank pressure is set for125 psi. The tank relief valve is marked 250 max.
Posted on Sep 25, 2011
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Mar 04, 2015 | Air Tools & Compressors
Feb 25, 2015 | Heating & Cooling
Air Tool consumptions are based on 15 seconds per minute (25%) of tool use.
Usage rates refer to the total time that air is flowing through the tool. If your applications result in more extensive usage, calculate air tool requirements as
(25%) 15 seconds = rated scfm x 1
(50%) 30 seconds = rated scfm x 2
(75%) 45 seconds = rated scfm x 3
(100%) 60 seconds = rated scfm x 4
Your impact wrench is rated a 8 CFM Cubic Feet Per Minute Usage
SCFM is Standard Cubic Feet per Minute (pre-compressed air volume)
I would be more concerned that the plumbing from the compressor tank could support the 8 CFM required by the 1/2" Impact. Remember the Air compressor will recover the pressure loss regardless of size. The only problem your going to have for "small jobs" is if you use too small of an air line to supply the impact wrench you are not going to get the full torque that it will produce to the drive head. In other words... a 1/4" supply line or 1/4 fittings anywhere in the system just isn't going to cut it even at 120 PSI. If you have the patience... a 5 gallon tank compressor that has the output volume required should be all that you need. I have been a mechanic over 4 decades and rarely have to use a 1/2 in impact for very long. Examples of 1/2" vs 3/8" useage. Wheel nuts, crankshaft pulley center bolt, some starters, steering, suspension and rear end parts. Other than that a 3/8" Impact works great.
One other thing you can do if you have an Air-Peen portable tank (with added fittings) is to add that in line with your output hose when your using the impact wrench so that you have longer use times.
I know this does not answer your what SCFM compressor is required question but it will resolve your needs. I just can't see telling someone that is a "small jobs" user to buy a larger compressor when really all they need is more volume for a brief period of time. The re-plumbed 1/2 inch output / in-line Air-Peen tank is a much cheaper and reasonable work around and you can disconnect that tank when your not using the impact wrench.
Lastly... if your inpact wrench has a SMALL male air fitting everything above will be a waste of time. You have to get that volume into the tool without restriction so that the rool will work properly for you.
Thanks for choosing FixYa.
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