Linde Introduces New Gas Metering Equipment for the Extruded Plastic Foam Industry
BRIDGEWATER, N.J., March 2, 2017 /PRNewswire/ — North American manufacturers of extruded polystyrene (XPS), polystyrene foam insulation board and other polyolefin foaming processes can replace some or all hydrocarbon foaming agents with carbon dioxide (CO2) and/or nitrogen (N2), and high-pressure gas dosing systems from Linde LLC. Use of these inert gases provides consistent, eco-conscious foaming while also reducing the risk of fire hazards.
Linde’s new DSD 400 metering system and process is just one technology from Linde’s PLASTINUM® suite of customer solutions for the plastics industry. Linde’s team of technical consultants and engineers matches the correct process to customers’ individual process needs.
The DSD 400 device is able to provide precise amounts of liquid CO2 or gaseous N2 during the extrusion process to help optimize foaming and reduce density with its high performance compressor, mass flow meters and dynamic control valve. In addition, its ability to quickly react to constantly changing pressure fluctuations at the extruder allows for a stable extrusion processes and delivers consistent foam structures during continuous extrusion foaming. This allows a customer to minimize, or sometimes even eliminate, the use of flammable hydrocarbons that can affect environmental emissions from the site.
The DSD 400 inert gas metering device handles pressures up to 5081 psi (400 bar) and can pump liquid CO2 through the control valve at a constant rate at speeds up to 66 lb/hr (30 kg/hr).
Similar to Linde’s DSD 500 metering system, the DSD 400 device offers highly accurate dosing and low gas consumption for high efficiency. It features lightweight and compact design for easy installation. Both systems are rated for pressures in excess of 6000 psi, for polymer foaming. However, the DSD 400 device provides a lower cost solution for customers who may not need extreme accuracy in continuous foaming processes.
The Linde PLASTINUM® suite offers dedicated, customizable solutions for all plastics market segments, supporting everything from gas-assist injection molding (GAIM) through foaming to temperature control. The end-to-end offering extends from high-pressure supply and metering systems through cooling technologies to total gas supply solutions and supporting services. Linde engineers help set up, customize and optimize the supply concept best suited to a company’s technical and business challenges. For more information, visit www.lindeplastics.com, or call 800-755-9277.
About Linde LLC in North America
Linde LLC is a member of The Linde Group. In the 2015 financial year, The Linde Group generated revenue of USD 19.7 bn (EUR 17.944 bn), making it one of the leading gases and engineering companies in the world, with approximately 65,000 employees working in more than 100 countries worldwide. The strategy of The Linde 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 www.lindeus.com
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SOURCE Linde North America, Inc.