Home

Screen Changers, Gear Pumps, and Custom Systems for Polymer, Rubber, Chemical, and Hot Melt Adhesive applications. PSI’s flexible design vision has always been through the eyes of our customers – combining the benefits that drive production and profitability for plastics extrusion and hot melt adhesive processes with how the extruder operators use them. 

For polymer and hot melt adhesive filtration requirements, PSI Screen Changer types include Backflush (CSC-BF), Continuous dual-piston (CSC), Discontinuous single-piston (DSC), Hydraulic Slide Plate (HSC), Manual Slide Plate (MSC), and In-Line Filters (ILF).  For large polymer reactor and compounding lines, PSI offers Extended Area Continuous Screen Changers (EAC). Gear Pump types include: Extrusion Gear Pump (EGP), High-Pressure Gear Pump (HGP), Chemical-Industrial Gear Pump (CIP), and Fluoropolymer Gear Pump (FGP) for fluorinated plastics.