Removing oxygen nipple from regulator

Tue, 31 Aug 2021 10:09:00 GMT

go to see Welding Machine for Removing oxygen nipple from regulator

We are converting a Victor heavy duty 400 series oxygen to argon. Replacing the output gauge with argon and swapping the nipple. The rest of it is the same gauge and diaphragm internally.  These 400s are monsters, we are only using 2200psi out of the 4k capacity. These are just bolt ons, not doing any rebuilding. Consulted victor already, forgot to ask the rep how to remove the nipple. The stock one doesnt have a place to grab it and remove it. I know better than to assume they expect you to manhandle it with vice grips, but afraid I don't know how they remove the nipple any other way without grooves in it.I'm able to just dremel it square and turn it out, so removal won't be an issue, I'm just curious how it is supposed to be done properly.1957 Lincoln Idealarc 300 AC/DC2020 ESAB ES 180i MiniArcLincoln Idealarc SP200 Lincoln 3350 PAPR CK CK17FV CK CK9FV
Reply:Slide nut to regulator bodyPlace proper size socket on hex at tank end of nippleTurn CCWThis instruction may not be sufficient for people who Graduated from Public Schools after 1990.
Reply:Originally Posted by Virgil5Slide nut to regulator bodyPlace proper size socket on hex at tank end of nippleTurn CCWThis instruction may not be sufficient for people who Graduated from Public Schools after 1990.
Reply:Originally Posted by Chad86tsiWould that be a rounded hex?  Because that seems to be what he has to remove.  It's apparent in the pictures provided in the original post.
Reply:Screw it on the bottle, tighten it, then turn the regulator body.
Reply:Originally Posted by One1I'm able to just dremel it square and turn it out, so removal won't be an issue, I'm just curious how it is supposed to be done properly.
Reply:Originally Posted by TimmyTIGScrew it on the bottle, tighten it, then turn the regulator body.
Reply:Those nipples are usually so tight that they get damaged/ destroyed taking them out. If you can find a socket that fits, try an impact. When that strips out get the vise grips or pipe wrench. It will come out but wont be usable.Lincolin Power Wave 450, Lincoln Powermig 255, Lincoln Pro Mig 140, Lincoln Squarewave Tig 275, Miller Big 40 G(with Hobart Hefty suitcase), Thermal Arc 95S and Esab PCM875 in an already full machine shop.
Reply:I would screw it onto a empty tank pretty tight, find a split collar and put it onto that stem tight, and put a pipe wrench across the split collar.  Then use whatever you can to turn the regulator while somebody is holding the split collar / pipe wrench to not spin.  I have done this with other shafts and things where the part cannot be marred up.
Reply:The apparatus repair shops use a tool that threads onto the regulator's nut and locks the nut and nipple into one piece. Then they loosen the nipple with a wrench on the tool's hex body. Tried to find a picture but couldn't. The tool replaces the oxygen valve offered in the earlier posts... without the 2200 psi pressure.Last edited by Frenetic; 05-24-2018 at 07:30 AM.
Reply:I'm not convinced I'll get it off cleanly knowing victor uses loctite on the threads so i got the adapter instead. While there i saw the proper nipple for my Craftsman regs and bought it. Now i have the craftsman running on C25 as well. I ordered a few screw on flowmeters to stick to them. 1957 Lincoln Idealarc 300 AC/DC2020 ESAB ES 180i MiniArcLincoln Idealarc SP200 Lincoln 3350 PAPR CK CK17FV CK CK9FV
Reply:file 2 flat spots on opposite sides and tighten the nipple into a vice then try to unscrew regulator, use large pipe wrench on regulator body but pad with cardboard as not to damage regulator body, slow and steady...
Reply:how about you mount it to the bottle as previously stated and have a partner hold the hex nut on the bottle with a wrench so it cannot  loosen, while you turn the regulator. Lock the bottle down while your at it."Si Vis Pacem Para Bellum"Lincoln Idealarc 250 AC/DCMillermatic 251   Syncrowave 300   30A spoolgunLincoln MP210Hypertherm 45(2) LN 25(2) Lincoln Weldanpower 225 CV(4) SA200   1 short hood    SA250    SAM 400
Reply:I'd be worried that I would gall the face or seat of the bottle valve by trying to crack it loose while attached."The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt
Reply:That's how I've always done it.