
Best in Test
FLEXO Oil Skimmer Model 40.410 (Chain Type)
| Test Set-Up: | Test duration: 24 hours | Tramp oil volume: 16 liter (4.2 gal) | | | Coolant volume: 200 liter (53 gal) | Hydraulic oil: 3% | | | Gear box / slide way oils: 5% |

Coolant Type A
Oil Skimmer Type: | Coolant Portion Liter (gal) | Tramp Oil Portion Liter (gal) | Liquid Removed Liter (gal) | Percentage of Removed Tramp Oils (%) |
Results |
Tube 18.5 (4.9) 3.0 (0.8) 21.5 (5.7) 13.9% 4
Disk 17.2 (4.5) 3.6 (0.9) 20.8 (5.5) 17.3% 3
FLEXO Chain 7.8 (2.1) 6.4 (1.7) 14.2 (3.7) 45.0% 1
Belt 7.9 (2.1) 3.5 (0.9) 11.4 (3.0) 30.8% 2
Rating Scale 1 - 4 1 = BEST
Coolant Type B
Oil Skimmer Type: | Coolant Portion Liter (gal) | Tramp Oil Portion Liter (gal) | Liquid Removed Liter (gal) | Percentage of Removed Tramp Oils (%) |
Results |
Tube 20.5 (5.4) 6.5 (1.7) 27.0 (7.1) 24.0% 4
Disk 16.3 (4.3) 6.8 (1.8) 25.1 (6.6) 29.4% 3
FLEXO Chain 10.6 (2.8) 5.5 (1.5) 16.9 (4.5) 34.1% 1
Belt 7.4 (2.0) 3.3 (0.9) 10.7 (2.8) 30.8% 2
Rating Scale 1 - 4 1 = BEST
Coolant Concentrate
| Type A | Type B | | Spindle Oil | 25% | 70% | | Organic Acid | 11% | 5% | | Alkanol | 29% | 11% | | Ester | 2% | 3% | | Amine | 11% | | | Acid Amid | 12% | | | Density | 970 +/- 10 kg/m3 | 930 +/- 10 kg/m3 | | Viscosity | 175 +/- 50 mm2/s | 103 +/- 30 mm2/s | | Adjusted for: | Aluminum | Steel |
Data used in this Fact sheet are from a test project performed by the University Hannover (Germany)
Oil Skimmer Selection Diagram:

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Test Performed By: University of Hannover, Institute for Production Engineering and Metalworking Machines
Assigned by: Niedersaechsischen Gesellscaft zur Endablagerung von Sonderabfall mbH
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