The double plunger automatic screen changer is suitable for applications in granulation, PE, PP, PPR, PERT pipes, plates, sheets, cast film, nonwoven fabrics, chemical fiber spinning and other production requiring high continuity without interruption of the material flow during screen changing. Features of the dual plunger fully automatic screen changer: 1. It adopts a rigid sealing structure to ensure no material leakage under high pressure and high temperature conditions. 2. It adopts an integ