A type of audible overfill prevention device used with aboveground tanks that produces a high pitched whistling sound continuously during the fuel delivery and stops when the alarm level is reached.
See also PEI/RP600.
A type of audible overfill prevention device used with aboveground tanks that produces a high pitched whistling sound continuously during the fuel delivery and stops when the alarm level is reached.
See also PEI/RP600.