Single or two stage regulators.

[pipehack]

Sorry about the simplicity of the question. I picked up a Purox w-200 torch set-up not too long ago. Everything is new. Last weekend I picked up a Dillon mkIII for $10.00. Seems like Two stage are the way to go. So.... Are these Union Carbide regulators Single or Two stage. Any suggestions? This is my first set up with O/A.

[Farmerboy]

put the brand and numbers in a google search and see what comes up,

http://www.esab.ca/literature/Archiv...F-11-626-F.pdf

http://www.esab.ca/literature/Archiv...F-11-618-B.pdf

[pipehack]

Originally Posted by Farmerboy

put the brand and numbers in a google search and see what comes up,

http://www.esab.ca/literature/Archiv...F-11-626-F.pdf

http://www.esab.ca/literature/Archiv...F-11-618-B.pdf

Either I'm not seeing or I just do not understand the part numbers.
Acetylene has r-207 on the back
oxygen has r-205.
can't figure this out.? Are those the part#'s? As stupid as that sounds I just don't know.

[denrep]

From the pictures, I'd say those are both single-stage regulators.

I say single-stage because typically with two-stage regulators some evidence of the primary stage regulator's somewhat bulky separate section is usually visible on the housing, and I can't see that with the pictured regulators.

Good Luck

[lotechman]

In all my years I have never seen a two stage regulator. You don't really need 2-stage unless you are flush with money.

[Farmerboy]

http://www.esabna.com/literature/Arc..._REGULATOR.pdf

http://www.esabna.com/literature/Arc...REGULATORS.pdf

according to the parts break down they look to be single stage,

(on a two stage there are two stages of pressure reduction, a primary that reduces it and then the adjustable that is the final adjustment, on a single stage it does it all in one step,

[irish fixit]

Those are definitely single stage. As has been stated they work fine. I used the exact same type for many years before lucking on to some two stage models cheap at auction. The two stage versions are very easy to identify. They have a really long body on them.

Here's a listing with good pics of a two stage linde, oxweld, union carbide, purox, esab brand regulator in the old style.

http://www.ebay.com/itm/Acetylene-Ga...item4ab7689e98

[pipehack]

Thanks a bunch guys. I appreciate the foot work. The Cobra toch manual online show how to set the torch up with single stage regulators. O/A is a new venture for me. To tell you the truth I'm a little nervous about it. I'm used to pluging in a machine and turning on 75/25 tank on and pretty much start rolling. I'm looking to have a litte more control of the weld. I'm hoping to accomplish this with O/A.

[farmall]

Good score on the Purox. W-200s tend to go high on Ebay and NIB old ones aren't common.