Kawasaki Polaris X1 Reg

[axxel57]

Hi Guys

Just wanted to share some pics with you.

Just got me a quite rare Kawasaki reg from the late 70ties or earlier 80ties I had been looking for for quite a while.

The particular thing about that 1st stage is that it is a balanced inline piston 1st, which works quite well (5psi difference between full and near empty tank) with a unique design.

Unfortunately up to now I was not able to remove the HP seat (retainer) without damaging it, but for the specialists it should be clear how it works. The HP seat is integrated in the retainer, not in the piston.

The components are good as always in scuba regs from Japan.

The LP hose connector to the 2nd has a special size, so unfortunately you cannot use generic hoses.

One of the two LP ports seems to be designed to fit to LP hose connectors with no o-ring, whatever for that might have been designed.

Anyway it’s an interesting 1st stage design, which has never been copied a.f.a.i.k

The 2nd is a normal downstream 2nd with no adjustable orifice.

Would be great if somebody could come up with some more information about the reg, I couldn’t find anything about this particular model in the Internet.

 

[Luis H]

Thanks for sharing.

The small lip/ wall around half of the exhaust is kind of different.

I don't know much about it, but I have seen other European (I think Spirotechnique) regulators with a similar balanced piston concept, but not actually the same.

Below are some related pictures to your Kawasaki

I hope this helps.

I wish that I had a better resolution image of this diagram, but all I have is a 600 x 456 pixels, JPG file. The file size is only 59KB.

You can see in this picture a gap between the hose fitting and the regulator body. The seal was probably inside with a Nylon washer or something similar. The Poseidon Cyklon 300 used internal plastic washer seals in all the ports, LP and HP. I have still have some adapters to use standard 3/8" hose fittings in the Cyklon first stages (I just don't use those first stages anymore).