Internal gear pumps Technical Data Rated Size Cut-in pressure peak 100 ms [bar]** Max. speed [min-1] Nominal speed [min-1] Operating viscosity [mm2/s] Starting viscosity [mm2/s] Operating temperature [°C] Operating medium Max. medium temperature [°C] Min. medium temperature [°C] Max. ambient temperature [°C] Min. ambient temperature [°C] Max. admission pressure (intake side) [bar] Min. admission pressure (intake side) [bar] Degree of filtration Life expectancy 350 4.000 400 - 3.600 10 - 300 2.000 -20 to +100 HL - HLP DIN 51 524 Part 1/2 120 -40 80 -40 2 bar absolute 0,8 bar absolute (start 0,6) Class 20/18/15 due to ISO 4406 not less than 1 x 106 against peak operating pressure * Due to manufacturing tolerances the displacement volume could vary. * * For acceptable pressure at 400-1,800 rpm. Further rpm on request. The pumps have no corrosion protection. The max. permissible values must not be applied cumulatively. Please contact us.

Pump with oldham coupling Ordering example: EIPS1-___RD31-1X rotation direction Coupling included in scope of delivery Pump with SAE/AA-2- hole flange and cylindrical shaft rotation direction All indicated data serve alone the product description and are not as characteristics in the legal sense to be understood. Subject to alterations. Eckerle Technologies GmbH ■ P.O. box 1368 Otto-Eckerle-Strasse 12 A ■ 76316 Malsch ■ Germany Tel. +49 (0) 7246 9204-0 ■ [email protected] ■ www.eckerle.com