Type DC pull-lock camlock dust cap is designed for use with Type A, E, and F male camlock adapters. The dust cap is also used as a quick coupling blanking cap or protective dust cap, featuring spring-loaded pull-lock cam arms on both sides for quick self-locking closure. The cap can be installed and removed without tools and is used to protect connections on fuel tankers, chemical fluid transfer systems, and petroleum loading and unloading lines.