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Victor portable Oxy-Acetylene kit - tip selection?

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JGayman
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PostPosted: Sat Jan 12, 2013 1:42 pm    Post subject: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

I have a small Victor portable Oxy-Acetylene kit. The one that comes with the 10CF Acetylene and 20CF Oxy bottles. It came with a Victor 100FC handle.

It also came with a #0 cutting tip and #0 welding tip. According to the tip chart, the #0 welding tip flows 2-4 CFH.

I was looking at what my choices were for some larger tips and it seems like if I obey the 1/7 flow extraction rule - I really shouldn"t even use the tips that came with it!

To stay below 1/7 (1.4CFH) I should only use a 00 or 000 tip.

Am I reading this correctly?
 
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JOHNNYfromMI
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PostPosted: Sat Jan 12, 2013 2:17 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

The 1/7 rule only applys to the acetylene.
 
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JOHNNYfromMI
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PostPosted: Sat Jan 12, 2013 2:17 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

The 1/7 rule only applys to the acetylene.
 
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504
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PostPosted: Sat Jan 12, 2013 3:59 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

He has acetylene, and yes your tanks are too small to use a cutter on. Short work will be fine, but bigger work you will spend all of your time changing bottles anyway. You can use your regulators on bigger tanks with an adapter.(AC)
 
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Stick welding
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PostPosted: Sat Jan 12, 2013 5:20 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

You can exceed the 1/7/hr. for short periods but unless you're hiking your cylinders up a 300 ft. incline, get some bigger cylinders. The refills on the small cylinders will cost you a fortune!!! A 75 cu. ft. acetylene and a 122 oxygen would be a good size and are still fairly easy to move around.
 
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VicS
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PostPosted: Sat Jan 12, 2013 6:11 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

Bought one of those sets for my Son. Got a fitting to equalize the oxygen from a bigger tank. Changed the acetylene bottle for a LP bottle. Can fill the LP from my big tank. (I made the LP tank from a 3" pipe with a almost 1/2 wall. then welded 1/2 plugs in each end put a regular LP Grill bottle valve in the end. Works good. Can carry it anywhere. It always has had enough gas and oxygen to complete any repair for the last 5 yrs or so.) Maybe you can find a LP bottle the rite size, to go in your carrier. Always let it equalize before we use it. Vic
 
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Stick welding
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PostPosted: Sat Jan 12, 2013 6:23 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

You do realize your homemade LP tank is highly illegal? What do you mean by equalize? Filling smaller cylinders from larger ones is fairly common with the right apparatus but once it's filled, you don't have to wait for it to equalize.
 
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VicS
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PostPosted: Sat Jan 12, 2013 6:31 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

I guess I lied about it. The LP tank. It takes a while for the oxygen bottle to get the same pressure as the larger one. Kinda like filling a tire from a air tank.
 
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JGayman
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PostPosted: Sat Jan 12, 2013 7:36 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

"You can exceed the 1/7/hr. for short periods but unless you're hiking your cylinders up a 300 ft. incline, get some bigger cylinders. The refills on the small cylinders will cost you a fortune!!! A 75 cu. ft. acetylene and a 122 oxygen would be a good size and are still fairly easy to move around. "

Actually, this small kit is perfect for my needs - which is what led me to choose it in the first place. It came with a cutting head which I have used several times and it works fine. I was simply looking at adding a larger nozzel for a small job and didn't stop to think about the limitations of the 10CF fuel cylinder delivery rate. It's no biggie - I will use something else.

The larger bottles would be a bit large for my needs. I don't think I would be able to toss them in my car trunk for transport.

It only costs me $21.50 to refill the Acetylene bottle, $11.30 for the Oxygen and it lasts me almost a year.

I appreciate everyone's feedback.
 
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Loosehandle
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PostPosted: Sat Jan 12, 2013 8:19 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

You can't weld with propane only cut and then you will need a 2 piece cutting tip.
 
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Stick welding
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PostPosted: Sat Jan 12, 2013 11:18 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

It's about volume. It shouldn't take long to fill a 20 cu ft oxygen from a larger cylinder unless that cylinder isn't much bigger or is low on pressure. The volume of a tire is much more than the air tank. The size of the orifice makes a difference too.
 
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Stick welding
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PostPosted: Sat Jan 12, 2013 11:22 pm    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

If you carry cylinders in the trunk of a car, the small cylinders would be more than enough to cause a big explosion if something happened. Equal parts oxygen and acetylene in a styrofoam cup has a pretty big explosion when ignited.
 
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JOB
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PostPosted: Sun Jan 13, 2013 1:47 am    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

When you toss cylinders in the trunk of your car, you should toss the acetylene in standing up. I was always told when you lay an Acetylene cylinder down you should not use it for 24 hours so the acetone can settle back down to the level it is supposed to be at.
When we would high line cylinders from ship to ship we would not use the acetylene for 24 hours. I am sure you know not to use an acetylene cylinder laying down.
 
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JGayman
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PostPosted: Sun Jan 13, 2013 7:28 am    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

Yes, you are correct. The cylinders need to stay upright. Which is why the small bottles are nice (for me). I transport them in the plastic tote that came with the kit. It keeps them secure from rolling around or banging into each other and I am able to keep them upright.

Obviously anytime you transport compressed flammible gas you need to be as careful as possible as there is always risk - much the same as when you transport 20 lb bottles of propane for the gas grill.

I always try to drive directly to and from the gas distributer with no side stops to minimize the time in the car.
 
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mkirsch
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PostPosted: Mon Jan 14, 2013 7:10 am    Post subject: Re: Victor portable Oxy-Acetylene kit - tip selection? Reply to specific post Reply with quote

Stick welding wrote:
(quoted from post at 00:22:37 01/13/13) If you carry cylinders in the trunk of a car, the small cylinders would be more than enough to cause a big explosion if something happened. Equal parts oxygen and acetylene in a styrofoam cup has a pretty big explosion when ignited.


So what's your solution? If you need torches, you need to transport cylinders full of flammable gas from time to time.
 
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