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Pin-Index Safety System |
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Pin-Index Safety System (PISS),
a system for identifying connectors for certain small cylinders of medical gases that have flush valve outlets rather than threaded outlets. The identifying code consists of a specific combination of two holes in the face of the valve into which connecting pins for a particular type of gas must fit in perfect alignment. For example, the index hole position for a cylinder of oxygen is 2-5, for nitrous oxide it is 3-5, and so on. See also Diameter-Index Safety System. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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