Haldex Hydraulics, Kansas City, Mo., has introduced the Systems F15 Series gear pumps. The gear and shaft of the robust, cast iron-bodied gear pump features one-piece construction for superior resistance to fatigue and large diameter journals for higher load-bearing capacity. Made of high-strength heat-treated steel, the 14-tooth gears reduce pressure ripple or noise and improve volumetric efficiency.
Large Teflon impregnated bushings are installed in precision bored covers for optimum alignment, providing support area capable of handling most indirect drives. The gear pump has an integrated balanced bronze pressure plate for the optimum in wear surface and strength, and an integrated “E” seal in the pressure plate reduces clearance, offsets axial loading, and balances itself as pressure increases.
The Haldex F15 offering includes a variety of porting options, including SAE, DIN, NPT, BSPP, JIS, sizes, and combinations of side or rear locations. Drive shafts are available in SAE, splined, keyed, and tapered. 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 (1.159 to 3.050 in.3/rev) at speeds from 600 to 3,600 rpm.
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