Looking for "automatic" 3/8" shop air quick-couplers... Recommend a good US brand? - Pirate4x4.Com : 4x4 and Off-Road Forum
 
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Old 04-21-2017, 11:34 PM   #1 (permalink)
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Looking for "automatic" 3/8" shop air quick-couplers... Recommend a good US brand?

I need to replace a few of the female air couplers in my shop, and want to find 3/8" NPT female industrial I/M style coupers that are one-hand operation, where the collar stays retracted until a new tool is pressed on. It seems I've had these before, but can't seem to find any on grainger or Mcmaster-Carr.

Am I dreaming?
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Old 04-22-2017, 03:34 AM   #2 (permalink)
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https://www.amazon.com/Prevost-PRVIR...=prevost+3%2F8

I throw these on the ground all day long. At home, same coupler. They just work.
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Old 04-22-2017, 05:18 AM   #3 (permalink)
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I recently switched everything too these.

Milton S-216 1/4" NPT V Style Coupler and Plug Kit https://www.amazon.com/dp/B001O2VPF2..._2lr2rd3ebrywZ
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Old 04-22-2017, 07:33 AM   #4 (permalink)
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I got 1 on my wheeler air hose that takes the 3 popular styles and is push to connect, got it at ace hardware, saw the same brand at Walmart the other day.... Fwiw
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Old 04-22-2017, 08:49 AM   #5 (permalink)
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Originally Posted by JJeep74 View Post
I recently switched everything too these.

Milton S-216 1/4" NPT V Style Coupler and Plug Kit https://www.amazon.com/dp/B001O2VPF2..._2lr2rd3ebrywZ
+1 Milton V is all I use.
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Old 04-22-2017, 10:37 AM   #6 (permalink)
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Originally Posted by JJeep74 View Post
I recently switched everything too these.

Milton S-216 1/4" NPT V Style Coupler and Plug Kit https://www.amazon.com/dp/B001O2VPF2..._2lr2rd3ebrywZ
What makes them better/different than the other styles?
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Old 04-22-2017, 05:07 PM   #7 (permalink)
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High flow, the hole through them is much bigger and the female connector will accept the other styles.
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Old 04-23-2017, 03:10 PM   #8 (permalink)
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Old 04-29-2017, 06:20 PM   #9 (permalink)
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Milton high flow, the best.
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Old 04-30-2017, 04:55 AM   #10 (permalink)
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Originally Posted by JJeep74 View Post
I recently switched everything too these.

Milton S-216 1/4" NPT V Style Coupler and Plug Kit https://www.amazon.com/dp/B001O2VPF2..._2lr2rd3ebrywZ
I bought a bunch of these for the shop about 6 months ago. They are garbage and don't last any longer than the cheap fittings from Harbor Freight. The o-rings pop out of them and the retainer bearings have fallen out of a couple others.

They are probably fine for home shop use but in an industrial shop, not so much.
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Old 04-30-2017, 09:37 AM   #11 (permalink)
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I bought a bunch of these for the shop about 6 months ago. They are garbage and don't last any longer than the cheap fittings from Harbor Freight. The o-rings pop out of them and the retainer bearings have fallen out of a couple others.

They are probably fine for home shop use but in an industrial shop, not so much.
I switched 5+ years ago to Milton V and have yet to have a single failure. Then again, I don't drag my tools around by the hose or anything.

What out there is better?
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Old 04-30-2017, 10:56 AM   #12 (permalink)
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CEJN is a brand from Sweden that makes quality push on connectors.

If you order Japanese style connectors from mcmaster these are what you'll get...who knows why?

They were spec'd by one of my customers for a special project so I haven't used them for air but they seem very high quality and I like how they work.
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Old 04-30-2017, 02:06 PM   #13 (permalink)
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CEJN is a brand from Sweden that makes quality push on connectors.
this

I pay like $12 each for them local (1/4 female NPT, 1/4 I/M, blue stripe non "safety"), but they last years where others last months
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Old 04-30-2017, 07:46 PM   #14 (permalink)
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I switched 5+ years ago to Milton V and have yet to have a single failure. Then again, I don't drag my tools around by the hose or anything.

What out there is better?
I'm all ears for something better. I've tried several and not had much luck. Our tools get changed a lot on any given day.

I don't see the guys dragging tools around by the hose and if I did, we would be having a talk about that. Dynabrade shit is too expensive to be abused.

It's a problem that bugs me but not enough to put a ton of time or money into finding a solution. $12, for the CEJN brand isn't bad at all if they last.
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Old 04-30-2017, 10:00 PM   #15 (permalink)
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Just read the title again and the local place charges $40 or so for a 3/8" one, (3/8FNPT, 3/8 I/M) Sharp increase in price but I've only really got a couple tools that need the 3/8" size, so only one 3/8" whip hose that takes (2) 1/4" hoses. Been meaning to make it take 3, but the way the hose reels are set up where I work that'd be a tremendous pain.

the cejn male coupler nipples are also real high-zoot stuff, comparable with the old glass-hard milton ones we used to get
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Old 05-01-2017, 07:26 AM   #16 (permalink)
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I only use Milton connectors. Since throwing away all my shitty ones I have yet to have a failure or leakage from any of them. The compressor will hold a charge for days with two of them on the line.

EDIT: Actually that's bullshit, there's a hose going to the reel, and then the hose on the reel, plus the air chuck I leave on there so that's 3 couplers total. Type M.
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