ABB 88FN02B-E Speed module
– Axial piston pump A10SO, variable, in swash plate design for hydrostatic transmissions in open loop circuit – Flow is proportional to drive speed and displacement. By adjusting the swash plate angle it is possible to infinitely vary the flow – Mounting flange acc. to SAE J744 – Flanged ports acc. to SAE J518 – 2 case drain ports – Good suction characteristics – Permissible working pressure 280 bar – Low noise level – Long service life – Axial and radial loading of drive shaft possible – High power to weight ratio – Wide range of controls –Short response times –Interchangeable with original Rexroth pump of the same model
Hydraulic Fluid In order to select the correct fluid
it is necessary to know the operating temperature in the tank (open circuit) in relation to the ambient temperature. The hydraulic fluid should be selected so that within the operating temperature range, the viscosity lies within the optimum range (νopt.); see shaded section of the selection diagram. We recommend that the higher viscosity grade is selected in each case. Example: at an ambient temperature of X°C the operating temperature in the tank is 60 °C. In the optimum viscosity range νopt (shaded area), this corresponds to viscosity grades VG 46 or VG 68, VG 68 should be selected. Important: The leakage oil temperature is influenced by pressure and speed and is typically higher than the tank temperature. However max. Temperature at any point in the system may not exceed 115 °C. Prior to project design, please see our data sheets RE 90220 (mineral oil) and RE 90221 (ecologically acceptable fluids) for detailed information on fluids and application conditions. When using ecologically acceptable fluids attention must be paid to possible limitations of the technical data.
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