Product ReviewsVictor 250-80-540 Oxygen Regulator Rebuild/Repair Parts Kit

4.64.6 out of 5 stars

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60 reviews

by artgoat08 Nov, 2017

Basic rebuild kit includes most needed parts

My regulator is actually a Weldmark 250 which is made by Victor and has the same housing stamping. I think the only difference might be cheaper gauges (and about $100). When my the secondary pressure gauge started climbing even with the adjustment backed all the way out, I knew I had a bad regulator. Actually, before it failed, it was "honking" at me, which probably predicted the failure.

Fortunately, it's dead simple to repair. The hardest part was probably separating the diaphragm from the housing, because it had been stuck down for years. Once you get that out, and unscrew the valve housing from the middle, you can access the valve itself. Just keep track of the order things came out, and what their orientation is, but it's really hard to put it back together wrong.

On mine, the sealing ring had decomposed and was oozing through the hole. This kit includes a new valve assembly with bonded seat (I wish this were an o-ring that could be replaced but Victor had their reasons, I'm sure.) I had to get all of the old, gummy rubber off of the valve seat. This kit included two lenses for the gauges, which I was unfortunately not able to use (mine are threaded, where these are 1/4-turn)—my fault for not checking before I ordered. I'm not sure why the friction washer is included, since it is a durable part, and mine was in pristine condition, but I replaced it anyway. All the parts appear to be high-quality and exactly identical to the original parts.

Reassembly was just as easy, and the regulator has worked perfectly since then. Hopefully it will go ANOTHER 20 years before I need to replace any parts. At less than $20 for a like-new regulator, it's a no-brainer. I'd even suggest getting one of these to have on-hand to minimize downtime (or a similar kit without the lenses). My only wish is that a kit were available with the #5 gasket (in the parts drawing), as I have another regulator to rebuild that needs it.Read full review...