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SHOW PREVIEW | NPE 2018


out-the-back of the unit, an easy-cleanout vent chamber, and linear bearing barrel glide support (patent pending). Special air-cooled heater and blower assemblies limit the exterior heater temperature for safety and efficiency purposes (< 110F) versus competitive models which can be as high as 500F. � www.ptiextruders.com


PSI-Polymer Systems will introduce a new melt filtration system at NPE. Its ILF-55 in-line filtration system is a discontinu-


Above: PTI has shrunk the footprint of its Super-G HighSpeed Extruders by one-third, which it says gives an unequalled extrusion output per square foot


output per unit area thanks to the tuck under option,” said Matt Banach, senior vice president of sales and marketing for PTI. “Our Super-G technol- ogy has set the standard for high-density manufac- turing, now delivering unprecedented output per square foot.” PTI’s Super-G SGHS3000-36D has a vertical U-configuration and tuck under motor that reduces the machine’s footprint by more than 33% to 12ft 8in (compared to 17ft 7in for the original model). It is equipped with a 500hp motor and runs at a maximum speed of 1000rpm. For process- ing of PP, it has a production output of approximately 3,000lbs/hr. The SGHS3000-42D model is also


Right: PSI’s ILF filters are aimed at long batch produc- tion runs


offered with the tuck under option and offers comparable footprint reduction and similar output gains. It has a 600hp motor and runs at a maximum speed of 1200rpm. The tuck under option is commer- cially available and several machines have already been installed in the USA. PTI’s high-speed extruders feature carbide-lined barrels and Colmonoy hard-faced feed screws versus case- hardened screws as featured on competitive models. The Super-G high-speed extruders have an oversized feed section that promotes higher regrind feed rates (up to +70%) along with a streamlined feed hopper with support, delivery chute, and tramp metal protection. Other key features include feed screw removal


58 FILM & SHEET EXTRUSION | May 2018


ous, high capacity filter aimed at long batch production runs where the extrusion process cannot be disturbed – and where ultra-high filtration levels must be maintained continuously. ILF filters are typically used where screen changers are either too large for the application or cannot satisfy the filtration level requirement without incurring an unacceptable pressure drop. ILF vessels can be fixed in line or interchange- able and are supplied with three or seven filter tubes. The interchangeable vessel option accom- modates fast changeouts. Standby vessels can be preheated to minimise downtime. Vessels can be arranged for electric heat or jacketing for steam/oil heat systems. Filter tubes offer micron ratings from 0.5 – 250 and can be re-usable (pleated filters) or single life (slip-on wire cloth tubes). All pleated filters are bubble tested for pore size verification. All models are designed for operating pressure up to 4,500psi (310 bar) and process temperatures to 750F (400°C) � www.psi-polymersystems.com


Starlinger has developed a technology that neutralises the smell of recycled plastics on a permanent basis. The three-step procedure (material


preparation, degassing, and post-treat- ment) works without the use of addi- tives and removes even deeply embed- ded odours. At NPE, visitors can smell the input material and the improved regrind at a laboratory table with sample stations. A number of materials can cause an


unpleasant smell when recycled – from polyolefin containers that were filled with detergents, to food packaging film whose surface has organic contamina- tion.


At the same time, the company will highlight its PET recycling technology,


www.filmandsheet.com


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