Screw on valve stem adapters for tire inflation

[bodaggin]

I'm looking for the screw on adapter/chucks that are on the bottom right of this picture. The one that's crimped onto the air line, that screws onto your valve stem.

I work in a heavy truck shop and am trying to build screw on adapters at varying angles (straight, 45*, 90*, 135, straight extended) so I don't have to hold the traditional air inflators onto the stem. You'd be amazed how tiring that is filling 8 semi tires from 0-100psi for a half hour.

I currently have the clip on adapters, but they don't hold the stem and are too bulky. Screw on is foolproof.

They're readily available on cheap hoses, but never standalone!

If I'm unable to find, I'll be forced to order some of these flexible valve stem extensions, cut one end off and add an adapter to the existing hose length.

I'd prefer to build my own custom so I'm not limited by hose length. Any fittings close to the stem adapter in a tight space between duallys can cause havoc.

This is similar to the standard inflator with gauge that I'll be modifying (the hose after the gauge that attaches to the stem of course! In case I was leaving parts out.

If you know where I can find any I'd be very thankful.

 

[The Cobbler]

I think you could use old freon fittings,r12 & r22 I think they were the same

 

[ex-x-fire]

I remember Fords from the 80s & 90s, their fuel rails had a test port that was the same as a valve stem. You could use an adaptor to build something.

 

[bodaggin]

Cobbler that's a great idea! Do the threads match? Wonder how well it would attach to an air hose. The ones I'm seeing have varying other ends. Will have to look deeper on this.

Duckface think you're missing the point. I'm just looking for the adapters/chucks/screw on bit, not extensions. I want to put one on my own custom hose and run it to the out end of my pistol inflator.

But since I can't find a pic of the actual adaptor standalone, this was the best I could post as reference.

 

[bodaggin]

Got a link Duckface? NM I see it now.

Ya that's like the one in my original pic.

But I want like 5 feet of hose out the air out so I can keep my distance while filling. Also should have 2 feet of hose from the screw on stem adapter to any additional fittings for obstruction free weaving through wheels.

So if I can just get the fittings, I can create the exact lengths I need, without having to tap into short 6" hoses.

 

[Milton Shaw]

I would go one step farther and use a 1/4 inch regulator, gauge and a ball valve to automate the whole process. The Ford fuel rail adapter from the 90's would be ideal. A set of welding crimps and sleeves would give you a professional looking end. You could even go farther and use a couple of "T's" and do several tires at the same time.

 

[bodaggin]

Milton Shaw trust me that's 100% on the list of things to do. I still need to figure out how those regulators work (I know they build ready buy auto-tire fillers too). A bit confusing to me (still apprentice!).

Good idea with the welding crimps.

 

[KSB]

These guys might have what your after.

https://www.macpek.com/wp-content/uploads/2014/06/Haltec.pdf

I was thinking a hose from a CTIS system might work if you could get it longer. Those hoses would have a 180 deg bend to reach the valve stem on the outer dual tire.



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[Provincial]

On dual wheel installations one valve stem points outward and one inward. The outward-facing stem will be easy to attach your fitting to, but the inward-facing one is pointing the wrong way. This is why dual-wheel air chucks have one working end pointing away from the air source and the other pointing at a shallow angle toward the air source.

A high quality dual-wheel air chuck often will have "grippers" that will hold the chuck on the valve stem threads if you **** it slightly. They will not stay on if jostled or you put a side load on the hose, but are pretty reliable. You can add a long hose easily, as they use a hose with a male MPT fitting on that end, and most valve/gauge units use the same fitting on that end. Another advantage is that they are quick to attach and remove from the valve stem.

 

[Jacan]

Would something like this help you?

Godeson Tire Air Chucks with Clip for Tire Inflator and Gauges, Pack of Clip-on and Twist-on Chucks(Pack of 2pcs) https://www.amazon.com/dp/B06ZZH68N8/?tag=atomicindus08-20

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[engineer2]

See if https://www.myerstiresupply.com/ has what you need.

 

[gearhead1]

Schrader valve is it’s own unique thread, .305-32. Taps and dies can be purchased on eBay and you can make anything you want.

I use a Milton 731. It is the standard male ‘M’ air fitting on one side, and the female is for the tire valve (.305-32) NOT 1/4 NPT. You remove the valve, then screw this on the stem, then connect your air hose. I seat my beads with this, but am careful to remove the air fitting once the bead seats so as to not over pressure the tire and explode it.

https://shop.advanceautoparts.com/p...VSbbACh2TDQ0rEAQYAiABEgK0u_D_BwE&gclsrc=aw.ds

Go on Amazon or eBay and type in ‘Milton 731’

 

[gearhead1]

Cut the end of the air hose and put this in it.

https://www.amazon.com/dp/B01M59JR5U/?tag=atomicindus08-20

Then you can put anything you want on the end of the hose, including the 731 directly.

 

[The Cobbler]

with a bit of ingenuity, here are some choices
https://www.ebay.com/itm/Brass-Valv...xtension-Adapter-Wheel-Connector/202387347089
https://www.ebay.com/itm/Car-6mm-Br...or-Kit-Air-Pump-Chuck-Valve-Clip/332783378939
https://www.ebay.com/itm/MagiDeal-4...r-Valve-Stem-Extension-Connector/162755573032
https://www.ebay.com/itm/Brass-Valv...el-Bicycle-Tire/173320391230?var=472031231840
https://www.ebay.com/itm/Brass-Valv...5ab34a3e:m:m5MBe97sT3Y2CjwIoMqFZlw:rk:97:pf:0

 

[The Cobbler]

add this

Schrader valve is it’s own unique thread, .305-32. Taps and dies can be purchased on eBay and you can make anything you want.

I use a Milton 731. It is the standard male ‘M’ air fitting on one side, and the female is for the tire valve (.305-32) NOT 1/4 NPT. You remove the valve, then screw this on the stem, then connect your air hose. I seat my beads with this, but am careful to remove the air fitting once the bead seats so as to not over pressure the tire and explode it.

https://shop.advanceautoparts.com/p...VSbbACh2TDQ0rEAQYAiABEgK0u_D_BwE&gclsrc=aw.ds

Go on Amazon or eBay and type in ‘Milton 731’

to these

with a bit of ingenuity, here are some choices
https://www.ebay.com/itm/Brass-Valv...xtension-Adapter-Wheel-Connector/202387347089
https://www.ebay.com/itm/Car-6mm-Br...or-Kit-Air-Pump-Chuck-Valve-Clip/332783378939
https://www.ebay.com/itm/MagiDeal-4...r-Valve-Stem-Extension-Connector/162755573032
https://www.ebay.com/itm/Brass-Valv...el-Bicycle-Tire/173320391230?var=472031231840
https://www.ebay.com/itm/Brass-Valv...5ab34a3e:m:m5MBe97sT3Y2CjwIoMqFZlw:rk:97:pf:0

and you got what you want I think

 

[DFB]

Schrader valve is it’s own unique thread, .305-32. Taps and dies can be purchased on eBay and you can make anything you want.

I use a Milton 731. It is the standard male ‘M’ air fitting on one side, and the female is for the tire valve (.305-32) NOT 1/4 NPT. You remove the valve, then screw this on the stem, then connect your air hose. I seat my beads with this, but am careful to remove the air fitting once the bead seats so as to not over pressure the tire and explode it.

https://shop.advanceautoparts.com/p...VSbbACh2TDQ0rEAQYAiABEgK0u_D_BwE&gclsrc=aw.ds

Go on Amazon or eBay and type in ‘Milton 731’

Neat find. I gotta get me one of them!

 

[FSrepair&fabrication]

I took the hoses off an old cats eye inflation setup. theyre braided stainless steel with the female end to fit the valve stem and the other end is 1/8npt so all you have to do is put a regulator on the 1/8pipe end and stick it on and forget it. I also do alot of trailer tires, and it really wastes time standing there holding the hose watching the tire fill up.

 

[FSrepair&fabrication]

http://https://www.linkmfg.com/products/trailer-suspensions-products/cats-eye/

 

[bonneyman]

See if https://www.myerstiresupply.com/ has what you need.

Man, their catalog is killer! Thanks for the link!

 

[rlitman]

...I currently have the clip on adapters, but they don't hold the stem ...

That's because you're using the **** clip ons.

I have one of the short red handled ones of these:
https://www.zoro.com/innovative-pro...chuck-kit-15-12-l-x-7-34-w-9060m5/i/G6152091/

You push it onto the schrader, and it grabs from three points and will NOT release or leak. Then pull on the collar and it falls off. It's actually from this setup:
https://ipatools.com/products/9060c-5-tire-pressure-equalizer-system-with-chucks.html

Mac tools sells a rebranded version of this:
https://www.mactools.com/en-us/Brak...c91-4b87-85af-a585012f6581/Lock-On-Tire-Chuck

The Mac version is "closed", so it works great on the end of an air line, but not on an inflater/deflater.

A MUCH cheaper (and not as nice) alternative is this:
https://www.ebay.com/itm/Air-Accessories-Air-Chucks-Lock-On-Chuck-Open-17-505F-/131707366389

 

[FSrepair&fabrication]

If you dont work on big stuff on the regular its hard to understand, an 11r22.5 tire takes about 10 times the volume of air as car tire. Your hands will cramp up if you hold it on the stem the whole time. Besides, Try using a stick on inflator on an outer wheel (valve stem faces inward) while trying the blow the tire up with a bead blaster. youll see the need for a screw on really quick. as far as regulators failing, thats a rare one, and you wont explode a tire that takes 100-120psi if you walk away and accidentally overfill it to 150 or whatever your compressor tops out at. Anybody thats used a professional tire cage setup would notice that many have a pop off valve like on a compressor incase pressure gets too high, so you could always incorporate one of those into your setup if you want to make it foolproof.

The OP works on this stuff everyday and knows what he wants/needs yet all the “experts” are trying to make it more complicated.

 

[FSrepair&fabrication]

-Cats eye equalizer is screw on and is used on ambulances and fire trucks so both tires will always gave equal pressure and can be inflated from a single valve stem.

- The OP is in canada so as far as i know thats out of OSHA’s jurisdiction lol

- His boss probably doesnt care what he uses to fill a tire as long as its done right. Besides, in my experience bosses are usually impressed when you make your own special tools for a job.

 

[FSrepair&fabrication]

Maybe some have a one way valve but most ive seen dont, its just for ease of inflation and the “cats eye” is the bulb that tells you the pressure. I just suggested it because its a hose that goes from the valve stem to pipe thread so its easy to adapt to an airline.

Halco and wilkens trailers have self inflating tiresthat are connected to the air system thru a swivel in the hub that comes out the axle tube. Its supposed to have check valves but they never seem to work so when the trailer airs down so do the tires. As a result most guys cut the stuff out and throw it away. somehow regular old valve stems with no moving parts are more reliable lol.

 

[ybnormal70]

Build something like this. Then you can hook up to multiple tires, set the pressure with a regulator and walk away until they are done.

Kevin

 

[larry_g]

https://www.miltonindustries.com/gauges/heavy-duty/truck-tire-inflator-gage.html

https://www.miltonindustries.com/gauges/heavy-duty.html

Any thing in the above links suit you?

lg
no neat sig line

 

[6PTsocket]

What you want is a "screw on tire chuck to hose barb adapter". If you google those word you will see a few. Just slip on and clamp the right size hose and you are good to go. No need to cut up another hose to get the fitting though that might be the easiest way.

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[Jbullfrog]

Cats Eyes have a bidirectional valve that stops the flow if there is a fast pressure drop, ie a puncture or blow-out. The problem is they are terribly restrictive and take way longer to inflate the tires.