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I recognize those tanks, but they were not originally scuba tanks. They came from the 1950s, and originally were used on 20-man life rafts, filled with CO2. The also originally were covered with spun stainless steel wire, which was cut off before they were used for the scuba. The spun wire was required for any pressure cylinder used on a military aircraft to prevent it from sending metal pieces into the aircraft if the cylinder was hit by enemy fire. The manifold is almost certainly home-made to go over the outside threads. Because it is a home-made manifold, I suspect (as I don't see them) that there are no over-pressure relief valves on this manifold. Therefore, no dive shop will fill it in this configuration. In the USAF, we took these cylinders, removed the piano wire , cut off the top and taped them for 1/2 inch tapered threads for a USD double manifold. This is a great find, and if you were to tap the manifold for an overpressure relief valve (you may need three, depending on how it is set up) they should be great for diving.Well I just happen find find some new kids to adopt at a yard sale. The guy was getting rid of some dive equipment for a 80 year old friend of his. He said the gear had been siting in a storage shed for years. I took a look and behold :shocked2: there were two sets of triples, a Scubapro Mrk2/R108, a Mrk5/R109, & several other goodies. He said he just wanted to get rid of the stuff real quick. Of course I had to help the poor fella out so I paid him a slight adoption fee and I adopted the kids.
Most of the tanks had a born on dates of 1956,1958, &1960 and made by PST. The regs look like they are in fair shape and prob only need some new o rings, seats, and some cleaning up. I will use them for sure when I don't use my DH regs. As for the triple tanks, the tank valve threads are on the outside and the manifolds are unique. Anyone have any ideas about them and the manifolds.
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