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SIPA develops single stage PET injection stretch blow moulders for small production runs

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article image Pietro Marcati, global sales manager of SIPA's stretch blow moulding

World-leading specialist in packaging and PET plastics machinery, SIPA of Veneto, Italy has added two new machines to their stretch blow moulding product line. The new SIPA ECS SP80 and ECS SP50 now fill the final gap in their product line with the single-stage, four station injection stretch blow moulding (ISBM) machines.

Pietro Marcati, global sales manager of SIPA's stretch blow moulding division explained that the line did not have a small single-stage machine for speciality containers, or non-beverage containers. With the addition of the new blow moulding machines, SIPA has become the only producer in the world that can offer single-stage and two-stage systems for all applications in the beverage and speciality markets.

SIPA demonstrated the hybrid ECS SP80 at the recent NPE 2015 exhibition in Orlando, running the machine with a six-cavity mould to produce 500ml asymmetrical PET bottles for household cleaning products at a rate of 1,565 bottles per hour. This model can also be used for the production of containers for pharmaceuticals, cosmetics, personal care products and spirits, including bottles as small as 20ml, 30ml or 50ml.

According to Marcati, the machine is recommended for customers who need to produce containers of different shapes and sizes including oval, cylindrical, wide mouth, miniature or bigger bottles. Observing that customers are looking for containers of different shapes to be unique, he added that the new stretch blow moulding machines allow for quick changeover of around four hours between different product configurations, shapes and sizes.

Key benefits of the stretch blow moulding machines also include high speed production enabled by hydraulics; servo electric drives for fast movements; energy efficient operation with consumption as low as 20kWh in the ECS SP80; clamp unit positioned vertically; and all hydraulics kept below the level of the table to avoid any oil contamination on the containers being produced.

SIPA is represented in Oceania by HBM Packaging & Plastics Technologies .

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