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Air hose fitting confusion #5234471 10/09/19 05:08 AM
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dlundblad Offline OP
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I’m wanting to connect my reel to my compressor that’s about 50’ away. The compressor’s ball valve as well as the reel’s inlet are 1/2” fittings. The reels’s hose is 1/2” with a 3/8” fitting on the end.

Will a 1/2” hose with 1/2” fittings be sufficient or will I need a 3/4” hose with 1/2” fittings? The latter seems like an overkill, but I don’t want anything choked down either.

Thanks.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
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Re: Air hose fitting confusion [Re: dlundblad] #5234481 10/09/19 05:48 AM
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billt460 Offline
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Originally Posted by dlundblad
I’m wanting to connect my reel to my compressor that’s about 50’ away. The compressor’s ball valve as well as the reel’s inlet are 1/2” fittings. The reels’s hose is 1/2” with a 3/8” fitting on the end. Will a 1/2” hose with 1/2” fittings be sufficient or will I need a 3/4” hose with 1/2” fittings? The latter seems like an overkill, but I don’t want anything choked down either.
Thanks.

1/2" will be fine. The problem with large, high capacity hoses, (both air and water), is they are very heavy and bulky. Most of the time too much so to justify their increased capacity. They become more of a nuisance than a benefit. Unless you are running large, high volume air tools, or mounting and filling large tires, they're just not necessary.

Besides, you already have a 1/2" ball valve coming out of the compressor, so it's already restricted to 1/2" coming out of the tank. You won't gain any more airflow by going larger in between, unless you replace the ball valve to the same size.

Re: Air hose fitting confusion [Re: billt460] #5234535 10/09/19 07:01 AM
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Donald Offline
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Originally Posted by billt460
Originally Posted by dlundblad
I’m wanting to connect my reel to my compressor that’s about 50’ away. The compressor’s ball valve as well as the reel’s inlet are 1/2” fittings. The reels’s hose is 1/2” with a 3/8” fitting on the end. Will a 1/2” hose with 1/2” fittings be sufficient or will I need a 3/4” hose with 1/2” fittings? The latter seems like an overkill, but I don’t want anything choked down either.
Thanks.

1/2" will be fine. The problem with large, high capacity hoses, (both air and water), is they are very heavy and bulky. Most of the time too much so to justify their increased capacity. They become more of a nuisance than a benefit. Unless you are running large, high volume air tools, or mounting and filling large tires, they're just not necessary.

Besides, you already have a 1/2" ball valve coming out of the compressor, so it's already restricted to 1/2" coming out of the tank. You won't gain any more airflow by going larger in between, unless you replace the ball valve to the same size.


Actually this is not 100% correct. Having a single 1/2" ball valve does not mean there will not be additional restriction imposed by using 1/2" hose vs 3/4" hose. In his case it will be hose he installs once and never moves or caries so weight and bulkiness is not an issue.

Having said that I assume 1/2" hose will be fine.


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Re: Air hose fitting confusion [Re: dlundblad] #5234537 10/09/19 07:02 AM
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Donald Offline
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Depending upon the air tool, there are high performance quick connect couplers that restrict less than the normal ones. I think from memory its Milton V


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Air hose fitting confusion [Re: Donald] #5234577 10/09/19 07:45 AM
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demarpaint Offline
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Originally Posted by Donald
Depending upon the air tool, there are high performance quick connect couplers that restrict less than the normal ones. I think from memory its Milton V

Milton V is the one. thumbsup


God Bless Our Troops

Re: Air hose fitting confusion [Re: Donald] #5234686 10/09/19 09:19 AM
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billt460 Offline
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Originally Posted by Donald
Depending upon the air tool, there are high performance quick connect couplers that restrict less than the normal ones. I think from memory its Milton V

Good point. Even the best, (read largest I.D.) quick disconnect fittings restrict flow by having a much smaller I.D. than the hose that feeds them.

Re: Air hose fitting confusion [Re: Donald] #5235071 10/09/19 04:30 PM
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dlundblad Offline OP
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Originally Posted by Donald
Depending upon the air tool, there are high performance quick connect couplers that restrict less than the normal ones. I think from memory its Milton V


Thanks. This is my next step as I believe my Aircat 1150, as well as all my other lesser important pneumatics, have 1/4” fittings.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 158k M1 EP 10w30 Supertech ST3980 (Ecore)

Re: Air hose fitting confusion [Re: dlundblad] #5235094 10/09/19 05:06 PM
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demarpaint Offline
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Originally Posted by dlundblad
Originally Posted by Donald
Depending upon the air tool, there are high performance quick connect couplers that restrict less than the normal ones. I think from memory its Milton V


Thanks. This is my next step as I believe my Aircat 1150, as well as all my other lesser important pneumatics, have 1/4” fittings.

You will notice a big improvement.


God Bless Our Troops

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