Will I get enough air to supply my 1" impact gun?

by Franky
(Orlando, fl)

I have a big 13hp 30gl air compressor that supply 175psi through a 3/4" outlet. I reduced the outlet to 3/8 to supply my 3/8 air hose reel. The ingersoll Rand 1" impact gun has a 1/2" inlet and says that it need about 40cfm to perform correctly ( I think is at 90psi). Would I get enough air from the 3/8 hose reel to supply the gun?


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Bill says....

Go to the site map and click the link to PRESSURE DROP. There is information there about how much air you'll get through different sized openings.

Generally speaking, I would try to match the supply hose size to the port in the air tool I'm using. In your case, you can't go wrong with a 1/2" hose.

Yet, you can try it. Undersupplying air to an air tool will do no damage. If it works, you're good. If not, upsize the supply line.

Cheers,

Bill

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Air Hose Size

by Nolan
(LA.)

What size air hose do I need for different tools ? Like framing nailer, finish nailer etc. Can I use the 3/8 ID or the 1/4 ID ? Can on size be used for all, Thank You, Nolan

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Bill says...

Nolan, read the page on "Pressure Drop" linked from the site map page.

Yes, you can use one size for all. It were me supplying a variety of air tools from one hose, I'd go to 1/2" ID.

Cheers,

Bill

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Compressed Air Sizing

by SteveOne
(Montreal)



Hello,

I am currently sizing a Compressed Air Network (Compressor CFM, HP, and Line Sizing) for a plant which has air service stations and pumps that are run by air. There are 13 Oil Supply Pumps (80 CFM @ 75 PSI each), 20 Waste Oil Return Pumps (40 CFM @ 75 PSI), and 31 air service stations (38 CFM @ 100 PSI each used for impact guns, for example).

How would I size the CFM required for the Compressor taking into account different facors like: Simultaneous Factor, Variability Factor, and Usage Factor?

Also, I really am having a hard time sizing the piping for each branch. Can somebody explain to me how to do it knowing the CFM at the compressor? I am very new when it comes to compressed air and was wondering if there was an online example, tutorial, or reference I could base myself on.

I uploaded the proposed layout for the compressed air network and compressor size calculation. I would like to use Steel as the pipe type. Any suggestion would be appreciated. Some sample calculations or methodolgies based on the drawing would also be appreciated to get me going.


Thank you.

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Bill says....

Hello Steve One! It certainly seems as though you need a bit of professional help.

If I were in your shoes I would contact Terry or Claude at Pneumac in Montreal, and ask for their help. 514 745 1987

If you can get these guys to provide assistance, you can't go wrong. Tell them Bill says hello.

Cheers,

Bill

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