The Hydraulic Systems Ddivision of Haldex, Rockford, Ill., has introduced its new F15 Ferra series pump for applications in the construction, agricultural, and IC lift truck markets.Proven design elements enhanced by new technology have created a high efficiency gear pump in a robust, cast iron body.
Features of the new pump include gear and shaft that are one piece for superior resistance to fatigue and large diameter journals for higher load-bearing capacity. They are made of high strength heat treated steel, and the 14-tooth gears reduce pressure ripple (noise) while improving volumetric efficiency. Large Teflon-impregnated bushings are installed in precision bored covers for optimum alignment, providing support area capable of handling most indirect drives.
An integrated, balanced bronze pressure plate provides the optimum in wear surface and strength. Integrated “E” seal in the pressure plate reduces clearance, offsets axial loading, and balances itself as pressure increases.
The F15 offering includes a variety of porting options (SAE, DIN, NPT, BSPP, JIS), sizes, and combinations of side or rear locations. Drive shafts are available in SAE, splined, keyed, and apered. Mounting flanges offered are SAE 2-bolt “A,” SAE 2-bolt “B,” or SAE 2/4-bolt “C” with either single or double shaft seal configuration. The double shaft seal option is designed for use when the pump pilot extends into a crankcase or transmission to prevent fluid from one environment entering the other. Displacement range is 19 to 50 cc at speeds from 600 to 3600 rpm.
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