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KraussMaffei Berstorff: Customized solutions for all pelletizing requirements

News 29.08.2017

KraussMaffei Berstorff is recording significant growth in incoming orders for pelletizing systems both in the PVC and PO area. The revised machine series with 32 L/D processing length, which was launched on the market for the first time for K 2016, is experiencing high demand when it comes to PVC pelletizing.

In PO pelletizing the KraussMaffei Berstorff customers count on the reliability and performance of the 36D single-screw series.

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Twin-screw extruder of the 32D series with pelletizing head

32D pelletizing extruder for all PVC formulations

"We have systematically adapted the pelletizing machines to current market requirements with respect to output", explains Eric Sanson, Product Manager for profiles and pelletizing at KraussMaffei Berstorff. For instance, the 32D twin-screw extruders impress with an up to 20 percent higher output for hard and soft PVC. Another benefit of the optimized screw concept is the processing of a large range – also high-filled - or recycling materials. A clever pelletizing head concept with a high level of wear resistance also meets all challenges for the processing of very sensitive and highly corrosive materials such as C-PVC.

New customer Tunisie Cables counts on flexibility

Tunisie Cables, one of the largest manufacturers of cables in Africa and headquartered in Tunis, has opted to use KraussMaffei Berstorff equipment to meet its special requirements. "We expect maximum flexibility in the production process along the entire value chain," stresses Mr. Fakhreddine Bousnina, Purchasing Manager of Tunisie Cables. "We granulate our material using flexible PVC formulations for the different applications in cable manufacturing, such as the insulating layers, sheathing and also filling material," explains Bousnina. "The parallel twin-screw extruders of the 32D series feature a screw concept and fulfill these exact requirements for an extremely flexible application," adds Eric Sanson.

The integrated plant, featuring the KMD 133-32/G-W as its centerpiece, will go into operation at the Grombalia production site at the end of the year.

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Complete system for the pelletizing of PVC formulations

Loyal processor Fortlev places follow-up order

Fortlev, Brazil's largest producer of plastic tank and cistern systems, invests again in pelletizing systems for MDPE. With the current order for two KME 150-36 B, the Brazilian company (headquarters in Espirito Santo) will shortly be manufacturing pellets on a total of seven KraussMaffei Berstorff 36D single-screw extruders, then micronizes them and uses them in the rotomolding process for the production of water tanks. "Besides the high performance of the extruders, Fortlev also appreciates the flexibility and stable throughput", reports Eric Sanson. The output of the KME 150-36 B is 1800 – 2000 kg/h and the output of the KMD 125-36 B is 1300 – 1500 kg/h.

The order also includes a complete line for PVC pelletizing. Formulations are pelletized for PVC projects on the machine, like on the two existing systems.

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Lab plant for pelletizing applications

Lab facilities for the development of formulations

The small twin-screw extruder KMD 35-26/L, the heart of a lab plant, completes the product range of the system provider KraussMaffei Berstorff in pelletizing. Small and compact, however with a powerful transmission and a separate C6 control, it offers every raw material producer, as well as processor, undreamt-of savings. Formulations can be mixed and optimized in small quantities, before large quantities of material are used in a production machine. In production facilities lab extruders are also often used for the quality control of raw materials and formulations.

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