Duramax Diesels Forum Truck of the Week
  #16  
Old 01-16-2020, 08:57 PM
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Yeah, I've known about oxy/gasoline torches for years. Never used one though. I think the problem with them is they can't really make a reducing flame, only oxidizing. This makes it unsuitable or undesirable for brazing or welding. From my understanding, It does work wonderful for cutting.

The other issue, for me at least, is pressurizing the tank to force the fuel out the tip. Propane is self pressurizing while gasoline will need to be charged with something, preferably inert or wont support combustion. And I would need to install a siphon tube to make it draw the liquid and not the pressurizing gas. This would add additional complexity for a home brew system

If I was to do it I would seriously consider diesel instead of gasoline.
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Old 01-28-2020, 12:19 AM
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Anyone have any idea what compatible torch ends are available for this? What brands my interchange with it?

I was given this cutting torch by a friend before he moved out of state. It is really well built. Seems higher quality then the Victor or Harris brands I've used before. I've looked all over Google for more information on it. Only one post where someone on the welding forums stated it was cheap Asian junk

If possible I would like to find some torch ends / mixers and nozzles that would fit the handle. If not I'll likely just get a new set. In the welding thread mentioned above, one thought AirCo might interchange with it.

Anyone else have experience with this brand?

Lable says: UND Labs Inc. cutting attachment issue No AU 7305 Type CW20 Tanaka
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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Old 01-28-2020, 06:50 AM
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This looks to be their website but could not find your model number..
http://nissantanaka.com/english/prod...and_torch.html And a similar one on ebay........... https://www.ebay.com/itm/Genuine-Tan...ty!13146!US!-1
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Old 01-28-2020, 08:56 AM
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I looked through their website too with no luck.

I seen that one on eBay. I wonder what the difference is between the CW20 and 10
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Old 01-28-2020, 09:35 AM
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If you could see the ebay one better. If you zoom on the blue sticker on it, it looks to say CW20...
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Old 01-28-2020, 10:40 AM
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I see CW10A

Regardless tough, I need the welding tips for it. I already have the cutting attachment. So the eBay one is really of no use at this point other than a reference or confirmation of brand
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #22  
Old 01-28-2020, 11:09 AM
Benny315 Benny315 is offline
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Wrong pic.. Can't screenshot of this old desktop, Your 4th pic of the blue sticker,, same location on the ebay one. Swear it says CW20 if you look close.... https://i.ebayimg.com/images/g/k7YAA...uH/s-l1600.jpg
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  #23  
Old 01-28-2020, 11:29 AM
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Ok, I see what you are getting at.

It looks like that lable is on the handle. Mine is worn off.

So the handle P/N is CW10A and the cutting end is CW20.

Now I just need to figure out the part numbers for welding tips and search ebay for those
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2008 Chevrolet 3500HD DRW LTZ
285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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Old 01-28-2020, 12:51 PM
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On their website the PDF Catalog,, CW20=== Would be C=series, W=Twin hose, 20=tip size. Goggle search "size 20 torch tip" and see what you get.
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  #25  
Old 01-28-2020, 02:31 PM
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Just so happens that I worked for praxair at one of there fill plants for 18yrs. When i get a sec I will give a more detailed response.
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Old 01-28-2020, 03:36 PM
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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Old 01-31-2020, 12:25 AM
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Stopped by two different welding shops today. Both where stumped and had no clue as to what the torch was that I brought in. Said they never heard of the brand.

One had some Victor cutting tips that looked to have the same profile or shape but where larger in diameter. None had any clue as to welding tips that would fit my handle

I may end up, as much as I don't want to, just getting another brand torch handle and tips.

I also dropped of the tanks for hydro testing. Next stop, find a place to fill one with nitrous oxide. Any good recommendations on the Sacramento area?
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #28  
Old 02-06-2020, 04:07 PM
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Got one of the cylinders filled with nitrous to try out. Holly Sh!t that stuff has gotten expensive. $10 lb.

Need to work some kind of adapter for mounting the regulators.

Still need to fill the fuel bottle then run a test
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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  #29  
Old 02-08-2020, 07:06 AM
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Ok
Ya took a while to get back to this.
I worked for Praxair for 18 years but please don't take this as I have a clue. lol
Yes Nitrous is filled with liquid by weight. Which means that size for size a bottle of nitrous should last longer than a bottle of oxygen which is filled by pressure volume, just gas pressure.
That being said as the nitrous pressure drops the liquid will actually convert to gas replacing the pressure in the bottle were as oxygen will just drop pressure till its empty.
As this sounds good it all depends on the application. Yes nitrous will replace its pressure but it is a slow process and it dependent on the temp of the bottle and if your using it at a high volume it will not replace it fast enough and as soon as it drops below a certain pressure (don't recall off the top of my head) the liquid will turn to dry ice and is basically worthless and this is even more likely if its being used in cold climates. Now it will convert back to liquid but it takes heat and pressure and it takes a while.
As you now know its also very expensive to use.
Nitrous at 70 deg bottle temp should range close to 760 psi. And should avrg 10 psi per deg increase.
Couple diff options they used to sell for cutting is propylene and starflame c both are better propane alternatives.
As far as adapters you just need to look up the proper cga connections and should be able to purchase anything you need.
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Old 02-08-2020, 09:57 AM
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Thanks Bagged,

I am quite familiar with what you stated, having training in air conditioning. Boiling points, latent heat, sensible heat, vapor pressure, etc.

The heat of vaporization for NO2 is only a little bit more then propane and we know how propane will get cold or freeze over if too much is drawn out too quickly. With that, I don't believe I will pull the gas that quickly, especially with a torch set. But will not know until I give it a try

As for propylene and similar fuels, they would sure be nice. Problem is, I can't get them unless I take a 20-30 minute drive to my local welding shop. They already refused to fill my current cylinders due to "company policy" so I am looking for easier ways to maintain a light weight but capable torch set up.

Propane can be filled at many gas stations and big box stores around me. NO2 is a bit further away and cost a lot but if it works out (I have my doubts) then it will be worth it. Otherwise I search around for one of those oxygen concentrators and compressor set ups for home filling medical cylinders. Then I can fill the oxygen at home and fuel locally for cheap.

Cutting is low priority, or gets little use. I mainly need it for heating and brazing so gas draw will be slower so hopefully keeping pressures reasonable
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285/75/17 Nitto Dura Grapplers, 4.56 gears, Front and rear ARB lockers, Efi Live tuning by me, Raptor 160 LP, Cognito 4-6 NTB Lift, 4" Exhaust, Built Trans by Mike L.

2006 BRM Jetta TDI. Injectors, turbo, Malone custom tuning on ecm and tcm
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