New liquid CO2 pressure booster systems from Linde help improve plastic foaming and injection-molding operations

MURRAY HILL and NEW PROVIDENCE, N.J., March 10, 2014 /PRNewswire/ -- Plastic foam manufacturers and gas-assist injection molders (GAIM) can improve efficiency and quality with the help of a new liquid carbon-dioxide (LCO₂) pressure booster, PRESUS™ C system, from Linde North America LLC.

PRESUS C systems can supply high-mass-flow LCO₂ at a constant high pressure to a variety of industrial processes. Applications include high-performance spot-cooling of hot spots in plastic injection molds, and the supply of bubble-free LCO₂ to metering systems such as the DSD 500 for the physical foaming of polystyrene (PS) and low-density polyurethane (PUR). The PRESUS C system can also supply high-mass flow for precision surface cleaning with dry ice particles, such as with the CRYOCLEAN^® Snow system, which can clean and polish molds and OEM parts without water or ozone-depleting solvents.

Designed for precision and long service-life, the PRESUS C system automatically adapts to process demands.  During pauses in production, the LCO₂ mass flow will automatically stop to conserve cryogen and reduce energy consumption.  Pneumatic operation and a dual-pump design enhance reliability and flexibility. During service or maintenance, the parallel pump can continue to supply LCO₂ on a continuous basis to avoid interruptions in production.  

Three compact models are available: the PRESUS C8 pressure booster can deliver LCO₂ mass-flow rates from 10 to 220 lbs/h and operating pressures up to 1160 psi; the PRESUS C10 system can deliver the same mass-flow rates at pressures up to 1450 psi; and for heavy-duty industrial applications the PRESUS C50 system delivers LCO₂ mass flow from 65 to 1100 lb/h at pressures up to 1015 psi. The compressor systems feature high-efficiency, low-noise operation, and are available with automatic switching and temperature conditioning options.

The PRESUS C system is one of a range of high-tech gas supply and control systems for the plastics industry. The Linde Plastics Team reviews processing challenges and develops solutions for injection-molders, foamers and extruders, as well as manufacturers and designers of plastics processing equipment. For more information, visit www.lindeplastics.com, or call 800-755-9277.

About Linde North America
Linde North America is a member of The Linde Group, a world-leading gases and engineering company with around 63,000 employees in more than 100 countries worldwide. In the 2012 financial year, Linde generated revenue of EUR 15.280 bn (USD 19.9 bn). The strategy of the Group is geared towards long-term profitable growth and focuses on the expansion of its international business with forward-looking products and services. Linde acts responsibly towards its shareholders, business partners, employees, society and the environment – in every one of its business areas, regions and locations across the globe. The company is committed to technologies and products that unite the goals of customer value and sustainable development.

For more information, visit Linde North America online at http://www.lindeus.com.

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SOURCE Linde North America

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