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A vent port stuffer lives a hard life. It sits on a hot barrel, handles molten polymer, sees moisture and volatile gases coming off the melt and runs under vacuum for hours on end. Some of those volatiles are corrosive. Some materials are abrasive. The build quality has to match.
That is why Screwtech Engineering builds its vent port stuffers from high quality stainless steel. It is designed for demanding production environments, resisting corrosion from moisture and volatiles and holding its condition over long running hours.
The materials story runs right through Screwtech. All its parts are manufactured using top quality wear and corrosion resistant steels designed to last as long as, and often longer than, the original manufacturer's parts.
The rest of the build is just as practical. A self-wiping twin-screw design keeps melt out of the vent and stops build up. Precision tolerances allow full vacuum to be drawn. An easy clean two-part vacuum chamber and separate seal housing make maintenance simple. An oil filled gearbox with a water cooled jacket gives long life at high temperature.
It is a proven design used by many leading compounding and profiling extrusion companies, available in various sizes to suit twin-screw and single-screw extruders.
If you want a stuffer that will keep going shift after shift, talk to Screwtech Engineering.
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