NPE 2018 | SHOW PREVIEW


three or seven filter tubes. The interchangeable vessel option accommodates 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


Sica, a specialist in downstream equipment for pipe extrusion lines, will exhibit a belling machine with an electromechanically operated socket forming unit in place of the conventional hydraulic and pneumatic solutions. The decision to use electrical technology has


several benefits, it says, including dynamic opera- tion, low noise levels, high precision and repeat- ability of positioning, and real-time control of process parameters in terms of working strokes and speeds. The company says that replacing hydraulic systems can improve the production process in a number of ways, including, removing all problems associated with oil – as the temperature-related viscosity variations can affect the response of the regulating system.


Other advantages include: eliminating environ- mental problems associated with hydraulic technol- ogy; and, much lower energy consumption, which is related to the socket forming cycle. Unibell belling machines heat the pipe using


short wave IR heating elements (called IR-SW ovens, or ‘short wave ovens’) that maximise heating efficiency thanks to accurately defined oven geometry, precise distribution of the heating elements, and structural and electrical configura-


tion of each heating element in relation to the specific plastic material to be heated. Sica will also show its TRS W series of automatic in line planetary saws. Available, depending on the tube diameter, in the 160W, 250W, 400W and 500W versions, they can cut and chamfer a variety of plastic pipes without any removal of material. � www.sica-italy.com


Struktol is expanding its line of additives for recycled plastics and for polymer compounds that contain recycled content. Its products are used in a variety of different resin systems from polyolefins to engineered plastics, and are targeted at com- pounds containing 100% recycled material or materials with varying levels of post-consumer or post-industrial recycled content. For instance, its TR 052 is a compatibiliser and blending aid that allows regrind or recycled product to be incorporated into a wide range of polymers. Processors can realise improved physical properties and overall improved processability of compounds requiring some level of recycled content, says the company. TR 052 has been shown


Above: Sica says that its electric belling machines offer lower noise and better control than conventional systems


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