Downside to too short a discharge hose?

by Chris
(Southern California)

Is there any downside to making the discharge hose very short? I mean about 8 inches total.
I'm combining parts from two compressors and the outlet ends about 8 inches from the check valve.
It's a 2 stage 80 gallon, Manchester tank with Generic compressor.
Thanks
_____________________
Bill says...

Hi Chris.

To my mind the discharge hose is the one that runs from the compressor tank to my air tools or air using appliances.

If that is what you are talking about, I'm not quite sure why that would be an issue.

If this isn't it, please provide more details as a comment here.

Thanks,

Bill




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Downside to too short a discharge hose?

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Nov 13, 2011
 Thanks
by: Chris

This unit is for a home shop, going to be 80 gallon tank, mostly air tools, some die grinder.
So not high tank use. Going with the 8 inch length with 5/8 copper line.
Thank you for the help.
Nov 07, 2011
 common definiton of discharge hose
by: Chris

Still trying to get this to post.
By Discharge hose I mean the hose/tube from the compressor to the check valve.
In this case it is 8 inches or less.
The air from the compressor is about 200 plus F degrees.
Downside?
Do I need to run the hose much longer? Which would necessitate removing the Teflon/braided and putting some copper so I could route it.
Thanks

_____________________

There is no downside to running the air from the pump to the tank over a longer hose. Your compressed air will cool in the line. That's fine.

There really isn't a downside to a shorter hose from pump to tank either. They all run too hot to touch, and that's why they are metal or metal braid.

The issue of hot air is that it contains much more water vapor than cool, and that water vapor will condense as it cools. Where, in your system, will that happen?

If your compressor is high demand, and hot air is flowing out into your lines, the water will condense there. If there is sufficient dwell time in the tank the water will condense there.

See all pages on this site relating to compressor water for info on how it's caused, and how to treat it.

It were my compressor, I would not worry about the short discharge hose. If you want to lengthen it with copper, go ahead. I wouldn't bother.
Nov 07, 2011
 common definiton of discharge hose
by: Chris

The discharge hose is the hose between the compressor and tank.
The one from the compressor discharge to the check valve, into the tank.
Only thing I've ever seen it called.

I'm concerned about length because it is very hot in use. I've seen them routed through water tanks, etc.
On this compressor there is going to be only 8 inches between the outlet from the compressor and the check valve.

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