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John, Welding setups use a regulator right at the tank. There is no high pressure O2 past the regulator. The O2 pressure in a welding hose is a MAX of 15 psi! I assume you are not a welder... Mat. --- John Walker <techdive@ea*.ne*> wrote: > Hi Mat, > > Curious as to how UNEDUCATED contruction workers > get away with it on > their oxy-acetelyne tourches. Often a iron workers > cutting tourch hoses > are in excess of 50'. > Its always amazed me as to how construction > workers keep getting away > with the abuse they put on their oxygen > systems,throwing cylinders off > trucks right into the dirt, install the dirty > regulator and dirty hoses, > smack it with a wrech and their off! > I grew up in the oil fields and you would'nt > believe what their > oxy-acetylene equipment lay in there. Oily dirt. > Don't get me wrong. I'm not trying to justify > slacking in our own > standards in diving. I just thinks its ironic to > look at. > > > John > > Mat Bloedorn wrote: > > > > I assume the needle valve will be on the mixing > panel. > > and the cylinders 30 ft away. If this is the case > it > > is in your best interest to turn the valves on the > O2 > > cylender on verrrrrryyyyyyy slowwwwwwly. Since > the > > needle valve is closed you effectively have a long > > hose with a dead end at the mixing panel when the > O2 > > cylinders are first turned on. This could create > a > > problem area especially if the O2 cyliners are > turned > > on quickly when the line is depressurised. > Perfect > > scenario for that adiatbatic thingy to take place. > > > > Mat. > _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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