Eagle trapped key safety interlocking systems from the Kirk Key Interlock Company ensure users follow a predetermined sequence of operation for activating road, rail and sea tanker control valves in oil refining and other industrial applications. Each step in the scheme releases a uniquely coded key required to move safely on to the next step. The oversized keys cannot be duplicated and the sequence cannot be circumvented. 800/438-2442; www.kirkkey.com.
Kirk Key safety interlock
Oct 07, 2014
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