A trapped key interlock is a safety device applied to two or more moveable parts, preventing (or allowing) a movement or operation of one part only when another part is locked in a predetermined position. PISANPRO’s trapped key interlocks o

TO PROTECT personnel from hazards by ensuring predetermined sequences of operations are followedTO PREVENT loss of operations and setbacks due to equipment damaged  by mis-followed operationsTO PROVIDE risk con

A trapped key interlocking solution consists of 3 defined actions: isolating hazardous energy, transferring or exchanging sequenced keys, and accessing the protected area or equipment.  Interlocks are designed specifically with these a