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Non Stop Automatic Plastic Extrusion Screen Changer Electric For Extrusion Machine

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Non Stop Automatic Plastic Extrusion Screen Changer Electric For Extrusion Machine

Country/Region	china
City & Province	shenzhen

Product Details

Non-Stop Automatic Plastic Extrusion Screen Changer Plastic Extrusion Machine

PRODUCT DESCRIPTION

A continuous screen changer is a machine that filters out impurities in the polymer extrusion process—without interrupting the process when a dirty screen needs to be changed. It's used in melt filtration processes where debris can clog up screens in a very short time and process disruptions are costly.

Temperature °F [°C]	Up to 650 [343]
Max oper. pressure PSI [bar]	max. 7,500 [517]
Control zones (housing)	One (1) or Two (2)
Heating	Electric/Fluid

Features of this kind of double piston type continuous screen changer with large capacity for plastic extruder

Bi-flow design for uninterrupted flow
No mechanical seals – 5-year leak-free guarantee
No hang-up flow channels for fast material changes
Oversize hydraulic cylinders
2 or 4 screen pocket designs
Round or oval screen pockets
Special patented seal for high melt-flow (1800 MFI) materials
Low delta-P breaker plates for more output and longer run time between screen changes

Main application fields

Especial for the high yield device
Sheet (Foam/Strapping/Plastic cardboard)
Coating (Hot melt adhesive)
Pipe ( Corrugated/Gas Pipe) and profile
Compounding (Master batch/filler)
Wire and cable extrusion
Tubing (Medical/Industrial/Irrigation)
Fibers ( Monofilament/non-woven fabrics)
Pelletizing (strands and water-ring pelletizing)
Recycling of most polymers

Continuous Screen Changers (CSC) provide uninterrupted filtration of thermoplastic materials. No downtime or related scrap for screen changes, high reliability, lower average head pressures and higher daily output make this screen changer a perfect choice for continuous melt filtration. The low maintenance design has no mechanical seals and will operate leak-free for decades with proper care.

The polymer melt flow is divided into two streams at the housing inlet and is conveyed through each of the breaker plates and screen packs. Each breaker plate and flow channel is designed to accommodate the full throughput of the extruder or upstream equipment during a screen change. Entrained air is efficiently purged through vents before reintroduction of the screen pack.