Internal gear pump Type EIPC6 for industrial applications with constant displacement volume
Characteristics：
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 |
125 |
160 |
200 |
250 |
| Spec. volume Vth [cm3/rev]*** |
125,7 |
160,1 |
200,9 |
249,9 |
| Continuous operating pressure [bar]** |
250 |
160 |
140 |
| Peak operating pressure [bar] max. 10 sec 15 % duty cycle** |
280 |
170 |
150 |
| Cut-in pressure peak [bar]** |
300 |
180 |
160 |
| Nominal speed [min-1]**** |
400 – 2.500 |
400 – 2.000 |
| Max. speed [min-1] |
2.800 |
2.200 |
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 |
| Max. medium temperature [°C] |
80 |
| Min. medium temperature [°C] |
-20 |
| Max. ambient temperature [°C] |
80 |
| Min. ambient temperature [°C] |
-20 |
| 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] |
27,5 |
30 |
43 |
54 |
| 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 |
94 |
93 |
93 |
| Efficiency η hm: |
90 |
|
91 |
|
| Pump noise*
(measured in sound chamber) dB[A] |
76 |
77 |
77 |
78 |
n = 1.450 min-1 Δ p = 250 bar (160 bar at size 200 and 140 bar at size 250) 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.
**** Further rpm on request.
The pumps have no corrosion protection. The max. permissible values must not be applied cumulatively. Please contact us.