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Date: Tue, 4 Nov 1997 17:38:59 +0100 (MET)
To: techdiver@aquanaut.com
From: divetek@we*.ch* (Roberto Bagnasco)
Subject: Poseidon's Intermediate pressure
I had the same problem with my Poseidons. They were the best performing
regs I ever had, wonderful at depyh, but the Intermdediate pressure has
been the problem lately. I have checked the piston Part# 2820 and the Hp
seat # 2803, the piston shows sign of wear, and the HP seat is changing
color! From a  solid brown is turning into a withish stressed plastic, like
when you bend a piece of plastic and it trn white at that spot.
Something is wrong with this materials. I have asked Poseidon Sweden about
this, and their answer was that I am the only one complaing about this
problem, and that it must be my fault, and that I should take a course with
one of their instructors.
I called and instructor, and he told me since I dive helium, it is the
helium that ruins everything!!!
I have got a new set of HP seats, they are made of a different materials, a
kind of white plastic with a groove on one side, but I wonder if I should
change the piston too.
At the moment I am testing the new Mares Ruby, which has a real ruby as HP
seat, I would also like to try the Apeks TD50, everybody that has one is
happy about it.

Comments?

Roberto


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