Self-cleaning fluid filter
Fluid entering this in-line filter flows tangentially down an immersion pipe into the collecting cone for cyclonic pre-separation. As it moves upstream through an annular, inner access space, the fluid passes through a ring of segmented filter elements to the outlet.
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Good for particles as small as 10 microns, and flow rates as big as 40,000 liters per hour, the Mahle automatic filter eliminates filtration related maintenance.
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Differential pressure induces automatic back-flushing, while a gearmotor and ratchet cleans the clogged filter elements. Particles retained on the surface of the filter material are sequentially flushed in each individual segment chamber and drained through the flushing pipe.
Mahle Technology Inc (Filter Systems) , 23030 Haggerty Rd., Farmington Hills, MI 48335; Tel: (248) 735-3581.
Instant
cellular communications
Designed to fill otherwise signal-free areas, SRAM (for self-contained mobile radio station) adds network capacity in just one hour's time. Transported by truck, the trailer-mounted unit can be deployed to patch links between sites or cover network outages.
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Comprising a generator, transmitter, and antenna mast, SRAM meets the need for rapid deployment of transmitter-based equipment.
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A hydraulic system extends the telescopic mast, lifting a 150-kg load as high as 22m. Horizontal and vertical angular alignment is accurate to±0.3 degree nominal.
Ideal for cellular telecommunications, SRAM has been used for conventions, exhibitions, and sports events, as well as during natural disasters.
FTPO: Spiro Vassilopoulos, SIT USA , Box 1889, Cheyenne, WY 82003-1889; Tel: (307) 778-9399; Fax: (505) 247-3513.
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