(September 19, 2011)

Concentric AB has launched the FERRA F15 cast-iron hydraulic gear pump designed for robust, high-performance duty in construction and agricultural equipment, materials handling and other mobile/off-highway applications.

Like the FERRA F12 pump introduced earlier, Concentric's F15 features rugged two-piece construction: both the housing and the front cover are of cast iron, which has made it possible to eliminate the rear cover and integrate the bearings into the housing and the flange to make the whole unit more compact. The result is increased power density and better installation characteristics compared with conventional designs.

The gear and shaft are in one piece giving the drive and driven gear superior fatigue resistance and allowing the use of large-diameter journals with higher load-bearing capacity. Made of high-strength, heat-treated steel, the 14-tooth gears improve volumetric efficiency and reduce ripple/noise.

PTFE-impregnated bushings provide optimum alignment and a large support area capable of handling most indirect drives and fan loads. The single pressure plate has a bronze surface for optimum strength and wear characteristics, while its integral E seal reduces clearance, offsets axial loading and balances itself as pressure increases.

FERRA F15 is extremely robust across a broad temperature range. The gear gear profile is of an advanced design optimized for reduced pulsation and higher volumetric efficiency.

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