Underwater and conveyor pelletizing systems

The Pearlo underwater pelletizer

At Plast, the highlight of the Maag booth (Hall 15, Stand C32) is Pearlo®, the high-performance underwater pelletizing system for making spherical pellets. It combines technologies from Gala and Automatik for efficient and flexible use in challenging applications with throughput of up to 36,000 kg/h. Compact and modularly designed, it requires only a very small footprint in production. Electronically controlled EAC technology guarantees precise feed of the pelletizing knives during operation, thereby ensuring long runtimes free of interruptions with consistently high pellet quality. Other Maag products on display at the exhibition are extrex® x6 class Gear Pump and EBG Belt Conveyor Pelletizing System. The new and unique extrex x6 melt pump design delivers the needed volumetric efficiency at the highest counter pressures and with the lowest amount of shear stress.

This results in a reliable and gentle transfer, boosting and metering for a wide range of thermoplastic polymers, with no adverse effects on product quality.

The belt conveyor pelletizing system EBG is specifically designed for the compounding of water-sensitive or highly filled (> 60%) or fragile products. One of its advantages is the easy handling for start up and line cleaning because of lightweight design and mesh belt quick exchange. It is perfectly dedicated for production of brittle highly filled compounds because of reduced stretching and stress on strands and active conveying from extrusion die to pelletizer intake. The belt system prevents strand breakages by continuous take up without any strand deflection. In addition to Maag products are displayed performance-enhanced melt filter type ERF350 by Ettlinger (the Company recently joined the Maag family), introduced to the market at the end of 2017. It reliably filters plastic melts with impurities such as paper, aluminium, wood and elastomers or plastics that do not melt. Impurity levels as high as 18% can be removed with extremely low melt losses. Designed for high efficiency, it achieves a maximum throughput of 3,800 kg/h, depending on the type of melt and degree of impurities as well as the selected filtration rating. It is suitable for all commonly used Polyolefins and polystyrenes as well as a large number of engineered plastics such as styrene copolymers, TPE and TPU.