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echo: scuba
to: JAY HANIG
from: ALAN BETHELL
date: 1995-08-17 00:53:00
subject: DIVING

G'day Jay,
On 08 August 1995 you were in deep conversation with Carl Wilson
 CW> Can you give the PSI equivelents for the bar numbers of 260 & 300?
 JH> 1 bar = 1 atm = 14.7 psi, therefore:
Hmm....
 JH> 260 bar = 3822 psi
260 bar * 100 = 26,000 Kpa / 6.89 = 3773.58 psi
 JH> 300 bar = 4410 psi
300 bar * 100 = 30,000 Kpa / 6.89 = 4,354.13
Don't forget about the 14.7 psi Vs 14.5 psi of salt & fresh water. The above
calcs are for gas pressures, not water. :)
 JH> That's why tanks with these ratings require DIN connectors......they 
eed
 JH> the extra beef.
Most connectors are rates for 3,000 psi service, which is odd as most
tank fills are approx 3,300 psi.
Alan
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