SHOW PREVIEW | NPE 2018


Right: Coperi- on will exhibit a range of machinery, including an STS 35 Mc11 extruder


compared to about 600 ft horizontally and 70 ft vertically for dilute-phase systems. � www.conairgroup.com


Coperion and Coperion K-Tron will present a variety of feeding, conveying, bulk material handling components and solutions for plastics processing at this year’s NPE, including a USA-manufac- tured Coperion ZRD rotary valve – which will significantly shorten delivery times for bulk solids industry customers – and the new Mix-A-Lot bulk material mixer for high-speed, gentle homog- enisation of fed material. Also on display will be a Coperion K-Tron T35 volumetric twin screw feeder, with a Coperion STS 35 Mc11 extruder. In order to shorten delivery times for customers


in the Americas, Coperion K-Tron has started US production of German-designed Coperion rotary valves type ZRD. Local production, along with an investment of stocked inventory, will allow the company to deliver and repair valves for the local market much more quickly. Standard grey cast iron and stainless steel ZRD


rotary valves will now be available to customers within four to six weeks, says the company. The ZRD rotary valve is designed for plastics,


mineral, chemical and food applications. It is engineered for heavy-duty industrial service with pressure differentials up to 21 PSI(g) [1.5 bar(g)] and temperatures up to 100°C (212F), though higher temperature options are available. The ZRD is often used as a discharging and metering valve for conveying products in powder and granular form. A range of sizes is available, with throughputs


ranging from 500 to 400,000 lbs/hour. The valves have a pressure shock rating of 145 PSI(g) [10


Below: Davis-Standard will run a live demonstration to highlight Industry 4.0 at NPE


bar(g)], and are suitable for isolation according to NFPA standards (for select sizes up to 12in). The ZRD comes standard with air purged seals com- pletely mounted with plastic or stainless steel tubing, solenoid and filter regulator with gauge. The new Mix-A-Lot ensures efficient, high-speed and gentle homogenisation of fed material. The accessible, easy-to-clean mixer is available in three sizes for throughput rates up to 5 tonnes/h, and there is also an ATEX version. The surface of the mixing chamber can be electro polished. The T35 twin screw feeder offers volumetric feeding of free flowing to poor flowing powders as well as fibres, flakes and other bulk materials. It is a twin screw feeder with interchangeable feeding tools. All parts in contact with the material being fed are stainless steel, and feeding equipment is easy to disassemble. A horizontal agitator gently moves the bulk material to the large throat and then into the screws. This equipment conforms to CE standards regarding EMC and safety. The K2-MV-T35 feeder comes with a Coperion K-Tron SmartConnex control system, which allows indi- vidual or multi-component control. Rate range (depending on material) is 0.04 to 88 cubic ft/h. � www.coperion.com


Davis-Standard will run a medical tubing extrusion line at NPE, which it says will be a “live demonstra- tion of Industry 4.0”. The company will also showcase its Super Blue


and direct drive groove feed extruders at the show. The 65mm direct drive groove feed extruder has a Helibar design with a grooved intake zone and helically grooved barrel, and new barrier-mixing feedscrew technology. This combination offers increased processing flexibility due to higher regrind levels and improved pressure stability, says the company. It is suitable for a wide range of applications, including pipe, profile and sheet processes. However, the medical tubing line is the main focus of the company’s stand – and is a demon- stration of the expanding importance of Industry


34 PIPE & PROFILE EXTRUSION | May 2018 www.pipeandprofile.com


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