How to modify DCX3 actuator valve from NC to NO

This tutorial shows how to transform the actuator of a DCX3 valve from the NC (Normally Closed) position to the NO (Normally Open) position. The operations for dismantling the internal parts of the actuator are described in details. The video explains how to position the guide pins and reverse the position from Normally Closed to Normally Open. The tools and reference documents are indicated to intervene in complete safety.