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Old 09-29-2013, 05:54 PM   #1
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1/4" or 3/8" air compressor hose

I have an 120V portable 150PSI air compressor. It came with a short, coiled hose.

I want to get a 50 footer(not coiled) but don't know if I should get 1/4 id or 3/8 id. I need to fill tires to 95.

Thx.........Don
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Old 09-29-2013, 06:15 PM   #2
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A 3/8 hose will not fill tires any faster than a 1/4 inch will. The valve stem opening is a restriction that is much smaller than either hose. The limiting factor is the volume of air that the compressor can put out. Get whichever hose is easiest to store.
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Old 09-29-2013, 09:49 PM   #3
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The larger hose is needed for high volume tools or when supplying a manifold with multiple lines/tools. For your tire filling the smaller will do just as well and likely be easier to store.
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Old 09-29-2013, 09:59 PM   #4
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Not many guys use 1/4 hose for filling tires on our coaches. That's not to say you can't do it, of all the people I know with coaches and use either the on board air supply (diesel powered rigs) or, a portable compressor, a 3/8" is the hose of choice for quicker filling. Many shops are seeing more use of this hose and I might get one sooner or later.

Amazon.com: Legacy HFZ3850YW2 Flexzilla 3/8 by 50 Zilla Green Air Hose with 1/4 Ends: Automotive

Your choice. I carry a 50' 3/8" that's pretty darn flexible and stores just fine.
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Old 09-29-2013, 10:33 PM   #5
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I carry a 3/8" 50' and it rolls up and fits inside a laundry basket with power adapters (Dog bones) and extension cords. All fits in a compartment. I don't carry a compressor, but I do use the on-board air system for inflating to 110 psi.
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Old 09-30-2013, 12:10 AM   #6
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Expect for a 50' length of 1/2" hose all of my hoses are 3/8". However they are for my shop and power several different air tools. My air hose for the MH is coiled up in a Rubber Maid action packer with other items.
No matter what size you end up with, ensure that it is a good quality hose!
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Old 09-30-2013, 12:37 AM   #7
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Quote:
Originally Posted by vsheetz View Post
The larger hose is needed for high volume tools or when supplying a manifold with multiple lines/tools. For your tire filling the smaller will do just as well and likely be easier to store.
Correction/clarification - my comments were for 3/8" vs 1/2". I would recommend the 3/8".
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Old 09-30-2013, 01:04 AM   #8
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I carry a 50ftx1/4" Flexsteel hose for airing up tires or blowing out dirt w/a nozzle; its not like you drag it out all the time, so I opted for the skinnier, easier to coil line. In my garage I have a 50ftx3/8" Flexsteel on my 175psi stand up compressor where I use high volume air tools (hose psi dialed down to between 70 & 125psi depending on the chore & tool. The Flexsteel was the most flexible hose I could find when it was new and they've not disappointed. There are some newer more supple hoses now, or at least they appear that way in the store, but I haven't had any reason to complain.

Fittings on both are all 1/4" NPT.
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Old 09-30-2013, 07:14 AM   #9
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Another vote for 1/4". Easier to handle/store, adequate for the job at hand.
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Old 09-30-2013, 07:19 AM   #10
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I like the Matika 2.5 hp air compressor on Amazon for $299. Free shipping.
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Old 09-30-2013, 07:30 AM   #11
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I've always owned one of these with my truck. Air power tools come in handy when repairing cars ans trucks. My toolcase must weigh over 100pounds by now! I think I own just about every tool they make from ball joint sepparaters totorque wrenches.
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Old 09-30-2013, 08:01 AM   #12
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I have 1/4" on my home compressor (came with it and it works fine for both car and coach @ 105 psi), but I bought a 3/8 for the coach onboard system. The 3/8" doesn't work any better or faster than the 1/4" for filling tires. The air chuck and the tire valve are the limiting factors there.

Hose diameter has nothing to do with air pressure, but it does affect the volume of air that can flow through it. Some tools need more air flow than air pressure (HVLP paint sprayers come to mind). Tire air chucks are not one of them, however.
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Old 09-30-2013, 05:04 PM   #13
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I installed a 3/8 hose on a reel in my forward storage bay. It's 3/8 only because I like the reel and the hose happened to be on it. The pancake 150 psi Porter Cable compressor sits right beside it and is not bolted in so it can be removed. I also have the coiled hose that came with the compressor, it takes both hoses to reach the toad rear tires when it is hooked up.
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Old 10-21-2013, 04:33 PM   #14
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Talking 1/4" or 3/8" air compressor hose...Thanks

Thanks to all who provided input on my hose size inquiry. I settled on an Amflo 50 foot 1/4" premium rubber hose. The hose and my Craftsman 150 PSI compressor fit nicely in a front compartment. I have an exterior electrical outlet and the 50 footer allows me to do all the RV tires and my tow car without moving the compressor. I have a 32' coach.

Yahoo......no more worries about finding a public air hose!!

Thanks again......Don
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