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Tank top-mounted return filters feature steel filter heads

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Parker Hannifin is launching the STF series of tank top-mounted return filters that combine effective filtration with a steel filter head assembly, making the units suitable for industrial and other applications were the use of aluminium is restricted.

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 10bar working pressure.

The filters provide pre-filtration by means of a magnet column, thereby improving fluid cleanliness levels and extending element lifetime by typically over 20 per cent. 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, which provides improved protection for the system. Additionally, multiple ports in the filter head make it easy to integrate return line filtration into power packs, which reduces cost and space.

STF filters can be customised to match the specific requirements of an application. 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 to reduce the risk of foaming.

The filters are compatible with Parker's patented LEIF elements that minimise waste and 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.

STF series filters are designed for use in a wide range of applications including marine power packs, steel mills, mining equipment and drilling machinery. Thanks to the ATEX certification, STF filters can also be used in potentially explosive atmospheres.

 
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