Sure, I suspect though its mostly pretty straightforward stuff to the guys whom have rebuilt tons of these regs though.
Rebuilding this reg was pretty straight forward. It was VERY clean and these things are made like tanks. The diaphragm was shot though but maybe some diaphragm gurus out there could have restored it but I decided to just replace it (Thanks to Rob!)
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I was surprised to learn that NE Divers relabled the entire line of the Sportsway regulators. Including the Dual air, Hydro twin and Hydro twin II. I have a Hydro twin II which is a balanced 2 stage reg. the Hydro twin is an unbalanced and the dual air is a tilt valve. Again this is all old information for most people but I'm just condensing it all into one spot for the new guys like me. You can tell the version of Sportways regulator you have by the HP area. If it's the short one with a hex key insert it's the Hydro twin II.
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the Hydro twin II has a LP and HP port and breathes really well. I'm kinda surprised they didn't do better than the US Divers since it's a pretty sweet reg and had the ports for all the accessories. Working on this reg was incredibly easy, just the parts are almost non existent (except for the parts that Rob and Seahunt jerry may have).
Replacement parts:
It takes 1in hoses that are pretty much the same as Healthways ones or you can just use the US divers ones. From research it looks like a healthways diaphragm will work with the reg too. I didn't check to see if a reproduction US divers single stage one from VDH works but it may. There may be more HP seats still out there and they are not the same across all three regulators. The Hydro Twin II has a special HP seat. I reused the LP seat since i don't have another one, I just flipped it over to the unused side. It looks like a US divers one should fit. All the O-rings are pretty standard ones and I replaced them with viton O-rings that were 90 duro rather than the 70 since thats what I had on hand. The exhust valve is the perfect size for a VDH mushroom valve and the HP diaphragm was replaced with a US divers one with a hole drilled into it (Thanks russell for making the youtube video about the dual air) Everything else on the reg is pretty solid and didn't need to be replaced.
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I thought the HP seat I had would work but once everything was put back together there was a slow and sometimes fast HP leak that wouldn't resolve with flipping the seat. Which I forgot to take a picture of. Its very important not to damage the seat with a hard metal when you try to take it out of the reg. Jerry suggested using a cut off q-tip which worked well. Also, don't forget to replace and lube up the small o-ring in the balancing chamber like I did. Oh, and don't forget that there is a little pin in there when you flip the reg over to work on it or you will be crawling around your floor looking for a tiny piece of metal. I have found working on carpet to be better for me since I drop every crucial/non-replaceable piece while I'm working on it.
I set the lever on the 2nd stage by raising it until it free flows and then backing off until it stops and compressing the cans to make sure there are no leaks. Setting the IP was straight forward and after installing the parts I got from Jerry tonight, reg holds steady at 150 and breathes really really nice and smooth.
Overall this was a straight forward rebuild and in my opinion easier than rebuilding any of the 2 stage US Divers and way easier than a Nemrod. Too bad the parts are not as readily available. I was told you can get spare parts from sportsways single hose regs since its the same thing though. So, I'll be keeping my eyes open on ebay too.
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