Screen Changers for Your Plastic Extrusion Lines

Harden Machinery supplies screen changers for extrusion melt filtration system. These screen changers are used on plastics, rubber, ceramics, and adhesive extrusion lines, with reliable quality and easiness for maintenance.

Screen Changer Range
Harden supplies screen changers of the types of manual screen changers, hydraulic sliding plate screen changers, and piston screen changers.

The manual operated screen changers are low cost, easy to operate, and compact in size. It is used in those processes that pressure fluctuation is not the major concern, such as blown film lines and recycling pelletizing lines.

The hydraulic operated sliding plate screen changers are inexpensive, easy to operate, and can be operated automatically. It is used in those processes that pressure fluctuation is not a big problem, such as sheet extrusion lines and recycling pelletizing lines.

The hydraulic operated piston screen changers can provide better melt sealing and can be operated automatically. It is used in those processes that melt viscosity are relatively low and melt pressure fluctuation is desirably small. This kind of screen changers have one or two bolts, each bolt can have one or two filter pack. The melt pressure fluctuation can be very small when using a two bolt four filter pack screen changer.