New Return Line Filters With Cast Steel Filter Head For Marine Applications

PRLog (Press Release) - Nov 30, 2009 -
Parker Hannifin, the global leader in motion and control technologies, has launched the STF Series of tank top mounted return filters, which combine effective filtration with a cast steel filter head assembly, making the units ideal for marine and industrial applications were the use of aluminium is restricted in accordance to latest regulations.

The STF filters feature “In-to-Out” filtration to ensure contaminated oil cannot leak back into the system, and are capable of handling  flow capacities of up to 500 l/min at 10 bar working pressure, making them suitable for severe return line applications, and reducing downtime due to filter failures.

The filters provide pre-filtration by means of a magnet column, improving fluid cleanliness levels and extending element lifetime with typically over 20%. An effective flow bypass with low hysteresis reduces the bypass period and ensures only a small part of the total flow is bypassing the element, offering improved protection for the system. Additionally, multiple ports in the filter head make it easy to integrate return line filtration into power packs, reducing cost and space.

The STF range can be customised to match the specific requirements of an application and facilitate integration. This helps minimise initial costs and ensure effective filtration. Optional air tight diffusers are available to avoid air ingress in the return line. The funnels can be supplied with a customised length, ensuring an ideal oil  under the oil level and reduce the risk of foaming.

The filters are compatible with Parker’s patented LEIF® elements, which minimise waste and therefore reduce the environmental impact of a system. These innovative elements provide guaranteed high quality filtration in line with ISO 14001 for complete peace of
mind.

The robust STF Series filters are ideal for use in a wide range of applications including marine power packs, steel mills, mining equipment, and drilling machinery. Thanks to the ATEX certification, the STF filter can be applied for in potentially explosive atmospheres.

Note to Editors:
With annual sales exceeding $10 billion, 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 52,000 people in 48 countries around the world. Parker has increased its annual dividends paid to shareholders for 53 consecutive years, among the top five longest-running dividend-increase records in the S&P 500 index. For more information, visit the company's web site at http://www.parker.com, or its investor information site at www.phstock.com.

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