Nitrogen Generators for Modified Atmosphere Packaging


Haverhill, MA– The Filtration and Separation Division of Parker Hannifin Corporation, the global leader in motion and control technologies, offers Balston nitrogen generators systems for modified atmosphere packaging applications to reduce oxygen content inside a package and extend food product shelf life.

A Balston Nitrogen Generator will deliver 5% down to 10 ppm oxygen content without the need for additional purification from nearly any compressed air supply. The generators are designed to continually transform standard compressed air into nitrogen at safe, regulated pressures without operator attention. Generating nitrogen in-house eliminates the challenges associated with outside vendors and ensures long-term cost stability.

Nitrogen is produced through a combination of filtration and pressure swing adsorption technology (PSA). High efficiency pre-filtration removes contaminants from the compressed air. The air entering the generator is comprised of 21% oxygen and 78% nitrogen. The gas separation process preferentially adsorbs oxygen over nitrogen using carbon molecular sieve (CMS). At high pressures, the CMS has a greater affinity for oxygen, carbon dioxide, and water than it does at low pressures. By raising and lowering the pressure within the CMS bed, all contaminants are captured and released, leaving the CMS unchanged. This process allows the nitrogen to pass through as a product gas at pressure.

For additional information, contact Parker Hannifin Corporation, Filtration and Separation Division, call toll-free at 1-800-343-4048 or 978-858-0505. Parker Hannifin Corporation, 242 Neck Road, Haverhill, MA 01835-0723.

With annual sales of $13 billion in fiscal year 2013, Parker Hannifin is the world’s leading diversified manufacturer of motion and control technologies and systems, providing precision-engineered solutions for a wide variety of mobile, industrial and aerospace markets. The company employs approximately 58,000 people in 49 countries around the world. Parker has increased its annual dividends paid to shareholders for 57 consecutive fiscal years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company’s website at www.parker.com or its investor information website at www.phstock.com.

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Parker Hannifin Corporation
Gas Separation and Filtration Division
4087 Walden Ave.
Lancaster, NY 14086
1-800-343-4048 (US and Canada)
Fax: 978-478-2501