EIPC5 Pump

Internal gear pump Type EIPC5 for industrial applications with constant displacement volume Characteristics: • Internal gear pump with axial and radial gap compensation • Radial compensation with segments • Suction and pressure port radial • Field of application: Industrial hydraulic • Low noise • Long time life • Low pulsation (pressure pulsation ~2 %) • Multi flow combinations on request Technical Data:
Rated Size 064 080 100
Spec. volume Vth [cm3/rev]*** 65,3 80,4 100,5
Continuous operating pressure [bar]** 250
Peak operating pressure [bar] max. 10 sec 15 % duty cycle** 270
Cut-in pressure peak [bar]** 280
Nominal speed [min-1] 100 – 2.800 100 – 2.800 100 – 2.500
Max. speed [min-1] 3.000 3.000 3.000
Operating viscosity [mm2/s]  10 – 300
Starting viscosity [mm2/s] 2.000
Operating temperature [°C] -20 to +100
Operating medium HL – HLP DIN 51 524 part 1/2
Max. medium temperature [°C] 120
Min. medium temperature [°C] -40
Max. ambient temperature [°C] 80
Min. ambient temperature [°C] -40
Max. admission pressure (intake side) [bar] 2 bar absolute
Min. admission pressure (intake side) [bar] 0,8 bar absolute (Start 0,6)
Weight appr. [kg]

11,5

13,0 13,5
Degree of filtration Class 20/18/15 due to ISO 4406
Life expectancy not less than 1x 107 load cycles against peak operating pressure
Efficiency η vol:

94

95 95
Efficiency η hm:

92

93 93
Pump noise* (measured in sound chamber) dB[A]

69

70 71

n = 1.450 min-1 Δ p = 250 bar T = 50 °C Medium: HLP 46

* Measured in anechoic room of Eckerle Hydraulic Division; Axial microphone distance 1.0 m ** For acceptable pressure at 400–1.800 rpm. Further rpm on request. *** Due to manufacturing tolerances the displacement volume could vary. The pumps have no corrosion protection. The max. permissible values must not be applied cumulatively. Please contact us.

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