Can someone tell me what regulator this is?
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scubafanatic
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I am pretty sure it is a US Divers/Aqualung Conshelf (XII or XIV) that someone has converted to a DIN regulator.
I'd somewhat doubt the argon suggestion due to the number of ports....
As others have said it is a US Divers Conshelf.
Looks like a 21 or 22 to me, but they're all the same internally and only differ in the number and size of the ports.
Service parts are widely available and supported by AquaLung.....part no 90001 is the service kit.
Conshelfs have been made for a long time.....ones of that end cap style have been made from the early 70's to late 90's.
Their history started in the mid 60's Royal Aquamaster and continued to the 1st generation Titan of a couple of years ago.
Looks like a 21 or 22 to me, but they're all the same internally and only differ in the number and size of the ports.
Service parts are widely available and supported by AquaLung.....part no 90001 is the service kit.
Conshelfs have been made for a long time.....ones of that end cap style have been made from the early 70's to late 90's.
Their history started in the mid 60's Royal Aquamaster and continued to the 1st generation Titan of a couple of years ago.
As mentioned above, it is a Conshelf.
The only odd thing is that the DIN adapter is not of a Conshelf, it is from a Titan. The Conshelf and the Titan are identical regulators on the inside, but the cases are slightly different.
The threads on for the yoke (or DIN adapter) are the same and the yoke are interchangeable. But, the Titan has an extra groove at the base of the yoke threads for the sealing O-ring when the DIN adapter is used. The Conshelf doesn't have that groove and therefore the DIN adapter specifically designed for the Conshelf is a bit different. The O-ring seal inside the adapter against the flat face normally used to seal with a yoke style valve.
I have come up with a way of adapting the Titan DIN to a Conshelf that I feel is reliable, but I am not sure how this one was put together. Looking at the small gap between the DIN screw and the Conshelf body, I would guess that someone just put the O-ring there and tighten it. It will probably never extrude, but it was not designed to work that way.
---------- Post added September 14th, 2013 at 07:00 PM ----------
And BTW, that is one of the all time best first stages ever made, based on durability and performance. The internal parts and design started (in 1965 with the Royal Aqua Master) and is still used with today's Titan and even the Aqua Lung Legend uses the same parts and similar design.
The only odd thing is that the DIN adapter is not of a Conshelf, it is from a Titan. The Conshelf and the Titan are identical regulators on the inside, but the cases are slightly different.
The threads on for the yoke (or DIN adapter) are the same and the yoke are interchangeable. But, the Titan has an extra groove at the base of the yoke threads for the sealing O-ring when the DIN adapter is used. The Conshelf doesn't have that groove and therefore the DIN adapter specifically designed for the Conshelf is a bit different. The O-ring seal inside the adapter against the flat face normally used to seal with a yoke style valve.
I have come up with a way of adapting the Titan DIN to a Conshelf that I feel is reliable, but I am not sure how this one was put together. Looking at the small gap between the DIN screw and the Conshelf body, I would guess that someone just put the O-ring there and tighten it. It will probably never extrude, but it was not designed to work that way.
---------- Post added September 14th, 2013 at 07:00 PM ----------
And BTW, that is one of the all time best first stages ever made, based on durability and performance. The internal parts and design started (in 1965 with the Royal Aqua Master) and is still used with today's Titan and even the Aqua Lung Legend uses the same parts and similar design.
I would like to convert mine to din like that!
Sent from my SCH-I535 using Tapatalk 4
Sent from my SCH-I535 using Tapatalk 4
Eric Sedletzky
Contributor
If I was allowed to have only one regulator it would probably be this one (minus the DIN adapter, nothing wrong with yoke).
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