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Cutting-edge solutions for the compounding of plastic polymers 

Compounding is a process by which the plastic raw material is transformed and prepared for the subsequent production phases. More in detail, the physical, electrical, thermal and aesthetic characteristics of polymers are modified and refined. Molten plastic polymers, including nylon PA, polycarbonate, polystyrene, PVC, polyethylene and propylene, are mixed with additives to obtain a homogeneous granular compound.  

Thermoplastic manufacturers need machinery that is compact, flexible and easy to clean and restart in order to maximize the performance and quality of different finished products while meeting market demand in terms of volume.  

Thanks to the experience gained in the realization of more than 200 compounding plants for plastics, the Piovan Group offers innovative and sustainable solutions for the treatment of materials. Piovan equipment maximizes the results of compounding lines through high flexibilityprecision and efficiency in material handling, dosing and blending. The Group provides, for example, high precision gravimetric blenderspneumatic conveying and raw material handling systems, suitable for all plastic materials (virgin, recycled, masterbatch and additives). In particular, the dosing units are characterised by extremely fast material changeover, simplified cleaning and station portability.  

In general, Piovan turn-key plants allow the production of technical compounds based on thermoplastic engineering plasticsthermoplastic elastomers and polyolefins for a wide selection of industrial sectors, including automotive, medical and food.  

of large dimensions
on a large scale
and increased productivity

Feeding & Conveying

The range of Piovan solutions spans from stand-alone single material loaders to central multiple material systems.

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Drying & Dehumidifying

Broad selection of technologies to perform the drying process in the best condition possible for the raw material.

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Dosing & Blending

Volumetric, gravimetric, loss-in-weight, continuous or batch, are the technologies implemented in the series of blenders and dosing units of Piovan.

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Temperature control

Efficiency of heat exchange and reliability of operation characterise our range of temperature control units.

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The simplest way of measuring AA levels in PET preforms. The Piovan Lab-Tech range allows utmost production monitoring, by providing real time analysis of acetaldehyde content in the PET preforms.

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Small, medium and large capacities, with the latest design for size reduction, granulation, recycling devices and accessories, represent the range of equipment of Piovan.

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Flour cooling

Electrostatic coating




Supervision and Process Control




Sugar handling

Integrated Solutions

Flexcool solution can use ambient temperature to cool the processing equipment. Such a peculiar strategic feature makes Flexcool ideally suitable to serve sets of injection moulding machines having diverse characteristic, that is, in those working situations where different machines are required to operate at varying processing conditions of temperature, flow, pressure. Flexcool ensures the highest level of control, flexibility and energy efficiency.

Pet-Cooling Solutions

With specific skills and deep knowledge of the PET preform production process, we provide customised solutions able to satisfy the specific cooling needs of the PET preform sector.

Air-Cooled Chillers

Our air-cooled chillers provide the ideal cooling solution for a wide range of industrial applications related to the plastics processing and to the food industry.

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Water-Cooled Chillers

Our water-cooled chillers provide high quality, operation efficiency, and energy savings for a wide range of industrial applications related to the plastics processing and to the food industry.

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Machine-Side Chillers

Our product range includes a line of thermochillers which have the function to heat and cool the process circuit of injection and blow moulding machines utilized in the plastics processing. Available in the single or dual circuit versions, these machines provide maximum cooling yield with minimum energy consumption.

Temperature Controllers

Efficiency of heat exchange and reliability of operation characterise our range of temperature control units.

Dry Coolers

Our dry coolers are the best answer to the needs of various industrial processes and applications where it is essential to constantly cool the fluid used for the heat exchange at a temperature greater than or equal to that of the external environment. Representing an effective alternative to cooling towers with low costs and low energy consumption.

Water and Environmental Treatment

Pump Stations

A very high attention and considerable importance is given to pumps, the devices that allow cooling and chilled water circulate throughout the circuit.