Posted by Bill Johnson on January 30, 2001 at 13:06:27:
In Reply to: Re: The + Rating Facts posted by Eins on January 29, 2001 at 21:15:32:
"... hydro test pressure (which is 5/3 of the + rated service pressure)."
The service pressure is the pressure stamped on the cylinder. The plus indicates the cylinder is elligible for a 10% service pressure overfill. Neither 49CFR173.34 nor 49CFR173.302 make any exception for hydrostatically testing cylinders at a pressure greater than 5/3 of the stamped service pressure.
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