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Hello, I'll start by saying I'm a hobbyist welder. I want to change my oxy/acetylene torch over to oxy/propane. The problem I'm having is what adapter to use between my acetylene regulator (CGA-510) and a 20 or 30 pound BBQ style propane tank. I have seen some adapters but they don't appear to have the little nub on the end needed to activate the propane tank? I already have the correct (T) hoses, torch tips, etc. The hang-up is the adapter. Can anyone supply the correct adapter part number. Many thanks in advance.Kurt
Reply:

Originally Posted by Uncrichie

Hello, I'll start by saying I'm a hobbyist welder. I want to change my oxy/acetylene torch over to oxy/propane. The problem I'm having is what adapter to use between my acetylene regulator (CGA-510) and a 20 or 30 pound BBQ style propane tank. I have seen some adapters but they don't appear to have the little nub on the end needed to activate the propane tank? I already have the correct (T) hoses, torch tips, etc. The hang-up is the adapter. Can anyone supply the correct adapter part number. Many thanks in advance.Kurt
Reply:As BB said above or you cold do what I did. Since the regulator input fitting is 1/4" NPT and the stem on a propane fitting, (the hand tighten one, I forget the proper name) is the same size I just used one off an old BBQ, remove the acetylene fitting from the regulator and screw on the propane one. One thing you will have to do is drill out the small flow valve in the center of the propane spigot, if you don't, you won't get enough flow from the propane tank.......Mike
Reply:Like BrooklynBravest said you need the propane cutting tip and if use rose 🌹 bud they have that in propane too.I have just used the acetylene regulator. They do make propane but just more cost and acetylene works greatDave

Originally Posted by Uncrichie

Hello, I'll start by saying I'm a hobbyist welder. I want to change my oxy/acetylene torch over to oxy/propane. The problem I'm having is what adapter to use between my acetylene regulator (CGA-510) and a 20 or 30 pound BBQ style propane tank. I have seen some adapters but they don't appear to have the little nub on the end needed to activate the propane tank? I already have the correct (T) hoses, torch tips, etc. The hang-up is the adapter. Can anyone supply the correct adapter part number. Many thanks in advance.Kurt
Reply:

Originally Posted by Uncrichie

Hello, I'll start by saying I'm a hobbyist welder. I want to change my oxy/acetylene torch over to oxy/propane. The problem I'm having is what adapter to use between my acetylene regulator (CGA-510) and a 20 or 30 pound BBQ style propane tank. I have seen some adapters but they don't appear to have the little nub on the end needed to activate the propane tank? I already have the correct (T) hoses, torch tips, etc. The hang-up is the adapter. Can anyone supply the correct adapter part number. Many thanks in advance.Kurt
Reply:Might need the adapter on a new style tank.www.urkafarms.com
Reply:

Originally Posted by Sberry

Might need the adapter on a new style tank.
Reply:I have never needed an adapter? I use same regulator no adapter acetyleneAnd propane tank.
Reply:

Originally Posted by Sberry

Might need the adapter on a new style tank.
Reply:

Originally Posted by whtbaron

I was questioning that as well, but I don't think so. My older appliances (tiger torch etc.) still work with the new tanks because they use the internal threads which haven't changed. The acetylene regulator will also use the internal threads. The hand tighten barbeque's etc use the external threads. I was looking at the torch kits after Brooklyn posted the link to the oxy/propane one he was looking at. I notice that Victor now sells an orange regulator for propane and the same green one for acetylene. Maybe it's just color co-ordination to make sure it goes with T hoses and doesn't get mixed up in a multifuel environment? I'd like to know if there's any internal differences....
Reply:I not found any that did not have both. But changing new style is easy both use 1/4 ips .Dave

Originally Posted by Sberry

Might need the adapter on a new style tank.
Reply:

Originally Posted by smithdoor

I not found any that did not have both. But changing new style is easy both use 1/4 ips .Dave
Reply:

Originally Posted by whtbaron

I was questioning that as well, but I don't think so. My older appliances (tiger torch etc.) still work with the new tanks because they use the internal threads which haven't changed. The acetylene regulator will also use the internal threads. The hand tighten barbeque's etc use the external threads. I was looking at the torch kits after Brooklyn posted the link to the oxy/propane one he was looking at. I notice that Victor now sells an orange regulator for propane and the same green one for acetylene. Maybe it's just color co-ordination to make sure it goes with T hoses and doesn't get mixed up in a multifuel environment? I'd like to know if there's any internal differences....
Reply:FYI 1/4" NPT and 1/"4 IPS same thing. There a few other ways to say 1/4" NPT and 1/"4 IPS.Dave

Originally Posted by danielplace

Usually the POL and CGA510 fittings for the tank both use 1/"4 NPT for connection.
Reply:

Originally Posted by smithdoor

FYI 1/4" NPT and 1/"4 IPS same thing. There a few other ways to say 1/4" NPT and 1/"4 IPS.Dave
Reply:IPS stands for IRON PIPE SIZE https://www.taylorwalraven.ca/pipe-d...-pipe-size.phpDave

Originally Posted by M J D

Wrong. NPT is national pipe tapered. IPS is iron pipe straight thread.
Reply:Any time working with pipe outside just water pipe you can find straight , tapered right hand , left hand and British Dave

Originally Posted by M J D

Wrong. NPT is national pipe tapered. IPS is iron pipe straight thread.
Reply:Great video from victor aside from it was recorded on a potato.Last edited by BrooklynBravest; 3 Days Ago at 09:19 PM.www.FirehouseFabricators.comZachMillermatic 255Lincoln SW200Hypertherm Powermax 45xp2x4 CNC Plasma Table.
Reply:Great video 📹 Dave

Originally Posted by BrooklynBravest

Great video from victor aside from it was recorded on a potato.
Reply:There's male and female acetylene regulators, depending on region I guess might decide which one you have, it's annoying when the LWS gives me a female threaded acetylene tank and I have to go searching for my adapter.Sent from my SM-G973U using Tapatalk

http://www.philswelding.com
Reply:

Originally Posted by MetalMan23

There's male and female acetylene regulators, depending on region I guess might decide which one you have, it's annoying when the LWS gives me a female threaded acetylene tank and I have to go searching for my adapter.Sent from my SM-G973U using Tapatalk
Reply:I swtiched tanks on my weed burner the other day, wouldnt open the valve right, had to change the bottle to right one. Wouldnt open ofpd for some reason. I can fill either. The fill uses the same as a torch.

Attached Images

Last edited by Sberry; 2 Days Ago at 11:12 AM.www.urkafarms.com
Reply:

Originally Posted by Sberry

I swtiched tanks on my weed burner the other day, wouldnt open the valve right, had to change the bottle to right one. Wouldnt open ofpd for some reason. I can fill either. The fill uses the same as a torch.
Reply:

Originally Posted by Lis2323

air liquide have female and male threaded tanks depending on if the tank is a rental or owned.
Reply:

Originally Posted by Sberry

I swtiched tanks on my weed burner the other day, wouldnt open the valve right, had to change the bottle to right one. Wouldnt open ofpd for some reason. I can fill either. The fill uses the same as a torch.You used to need a special washer with Air Liquide acetylene cylinders ........
Reply:CO2 uses the white teflon washers. The acetylene was a red/rust colored fiber washer. If you bought your regulators from anywhere else you either had to change the fitting or get the adapter.
Reply:CO2 uses the white teflon washers.
Reply:i even have an old acetylene tank (of unknown origin) with RIGHT HAND thread.:
Reply:

Originally Posted by Welder Dave

Air Liquide uses an acetylene specific fitting on their standard size cylinders where everyone else just uses a left hand fuel gas fitting. Some of the small tanks can have different connections. You can usually get adapters to switch to what your regulators have. You used to need a special washer with Air Liquide acetylene cylinders but the fitting was changed so you no longer need the special washer.
Reply:

Originally Posted by Welder Dave

CO2 uses the white teflon washers. The acetylene was a red/rust colored fiber washer. If you bought your regulators from anywhere else you either had to change the fitting or get the adapter.
Reply:They did that on small tanks for AC repair and plumber's. Dave

Originally Posted by Lis2323

i even have an old acetylene tank (of unknown origin) with RIGHT HAND thread.
Reply:

Originally Posted by smithdoor

They did that on small tanks for AC repair and plumber's. Dave
Reply:That is a odd tank. 🤔 I have never seen one before. I know plumber's use type MC and type B. Dave

Originally Posted by Lis2323

mine isn't a plumbers "B" tank Daveit's about 40" tall. most plumbers i've seen would not be able to lift it


Reply:These are the 2 style regulators I've run across, the regulator with male threads will go right into a propane tank. The other requires an adapter I wanted to buy a replacement acetylene regulator at tractor supply the other day but I realized they sell the male threaded style, which doest fit onto the tanks I get from my LWS.


Sent from my SM-G973U using Tapatalk

http://www.philswelding.com
Reply:

Originally Posted by Lis2323

mine isn't a plumbers "B" tank Daveit's about 40" tall. most plumbers i've seen would not be able to lift it


Reply:

Originally Posted by MetalMan23

These are the 2 style regulators I've run across, the regulator with male threads will go right into a propane tank. The other requires an adapter I wanted to buy a replacement acetylene regulator at tractor supply the other day but I realized they sell the male threaded style, which doest fit onto the tanks I get from my LWS.


Sent from my SM-G973U using Tapatalk
Reply:

Originally Posted by danielplace

Nothing odd about that tank. Most popular tank ever produced. It is #4 145 cu ft. I have about 4 of those.
Reply:

Originally Posted by Lis2323

with right hand thread?
Reply:Interesting , thank you!I cant remember if it is RH male or RH female. Will need to look. In any event, the tank is empty and none of the LWS can fill or are willing to change the valve and recertify for me. In addition to the above NONE can tell be where to recycle the tank Lol. These guys are so useless when the part number they need isnt on their computer screen. I am in BC Canada and have Linde (Praxair) , air Liquide (Airgas), Messer, and Barry Hammel.:
Reply:I used to have a rh to lh adapter about 25 years ago when the rh thread cylinders were fairly common.
Reply:

Originally Posted by Lis2323

Interesting , thank you!I can’t remember if it is RH male or RH female. Will need to look. In any event, the tank is empty and none of the LWS can fill or are willing to change the valve and recertify for me. In addition to the above NONE can tell be where to recycle the tank Lol. These guys are so useless when the part number they need isn’t on their computer screen. I am in BC Canada and have Linde (Praxair) , air Liquide (Airgas), Messer, and Barry Hammel.
Reply:

Originally Posted by danielplace

Not sure if they would let him drop off and do a refill through a adapter. ??? |
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