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Air hose fittings, quick-disconnect materials and brands12/3
Just asking to see if you guys have any specific opinion on what air hose fittings give you the best return on investment.
Speaking specifically of the industrial style quick disconnects for 3/8" hose.
We've found the WORST idea is having tons of mixed brands out there. Both male and female parts seem to wear faster.
I'm currently using Milton brand, buying the red colored ones, so that we can easily tell if we have mismatched brands.
For things that get a TON of movement, such as on Dynabrade sanders, should I be using stainless steel, brass, aluminum?
All your comments are appreciated. Thanks!
I like the 3/8" ones from Home Depot, they connect to the std 1/4" air hose fittings but have a lot bigger openings that greatly increase the air supply. they have made a real difference on my spray guns and impact wrenches.
I've had a variety over the years. Steel ones seem to last longer than the soft ones (SS, Brass, Aluminum) Actually have never seen aluminum ones. Unless Stainless has been heat treated it is too soft and best only used in corrosive environments. Brass fits that category also and good for flammable areas.
At one point we ended up with some imports from China, not good! Have mostly Milton, maybe there are still a few Tru-flate still around the shop. Both seem good and interchange fine.
You may get better results on heavily articulated tools or tools that can cause brinelling of your coupler nipples to use a long tool whip rather than coupling right at the tool as is most commonly done. Just run an 18" to 6' or longer whip of hose threaded directly into the tool and let the coupler live a few feet away. Ill bet your issues with regards to brand go down dramatically.
Im pretty sure if you dig into most quality air and hydraulic tool brands you will find that most advise against coupling right at the tool. An added benefit is you eliminate a little bit of rigidity with a nipple/coupler body connection right at the back of the tool.
I have been gradually switching over to female disconnects from a company called Prevost. Catalogue # ISC 061201 ( 1/4" FNPT Safety Quick Coupling). The first one I tried is still in use with no leaking and it's over 2 years old. They are 30 bucks apiece but well worth the investment.
You know, making a whip going into the tool is actually a great idea. That would reduce a lot of the stress on them.
Thanks for the suggestions guys!
I too had a mixture of brands for my quick couplers. I finally started changing them a couple years ago to Milton fittings as the old ones fail. They don't leak, my air compressor runs less, and the shop is a little quieter.
Milton only fittings in my shop and every single hose has an inline blow gun on it. Inline blow guns either older Dynabrade or Melmark Ready Jet and for anything new i am using Redigun. If you have never used inline blow guns you are missing out and wasting time.
Where are you guys getting the Milton fittings?
I'm getting them on Amazon but the ones I've found there are actually aluminum (the red color coded ones). I do like the red color coding, makes it easy to know when you've gotten everything swapped out.
But I'm getting quite disappointed in how long they last (they don't!). I'm sure steel or brass would last much longer.
On our high-use tools I'm migrating toward using the pigtail such as mentioned above, that's going to help a lot, but I need to stop using these aluminum ones.
Nobody local (that I know of) sells Milton.
I've been buying my brass (not red) Milton fittings on Amazon. They are more expensive than the red ones, but they don't leak and I haven't worn any out yet.