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Klüber Klübersynth EG 4-150
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Klüber Klübersynth EG 4-150
Synthetic high-performance gear oil
Application Klüber Klübersynth EG 4-150
Klübersynth EG 4 was especially developed for the lubrication of heavily loaded spur, bevel and planetary gears. It can also be used for the lubrication of worm gears. Klüberoil EG 4 can also be selected for the lubrication of plain and rolling bearings, all kinds of toothed couplings, chains, guideways, joints, spindles and pumps.
Performance, Features & Benefits of Klüber Klübersynth EG 4-150 are:
- High scuffing protection
- Good wear protection
- Excellent ageing and oxidation resistance
- Wide service temperature range due to good viscosity-temperature behaviour
- Low foaming tendency
- Energy savings due to optimised friction behaviour
- Very good corrosion protection
If you have any questions, please contact OilOnline Technical Helpdesk
Product Description Klüber Klübersynth EG 4-150
Klübersynth EG 4 is a fully synthetic high-performance gear oil based on polyalphaolefin satisfying the requirements of many gears. Klübersynth EG 4 offers a high scuffing strength of API GL-4. Gears are sufficiently protected against scuffing even at extremely high peak loads, vibrations or oscillations. The good wear protection of the gear components ensures that their calculated service life is achieved, leading to lower maintenance and repair costs. Klübersynth EG 4 offers a much longer service life than mineral oils due to the excellent ageing and oxidation resistance of the selected raw materials; thus service intervals can be extended and maintenance costs reduced. The product's low foaming tendency and anti-corrosive properties enable problem-free gear operation. Klübersynth EG 4 is neutral towards most sealing materials such as NBR or FKM. Oil leakage leading to contamination is prevented. It also shows good demulsifying behaviour. The good viscosity-temperature behaviour supports the formation of a sufficient lubricant film across a wide service temperature range. Therefore, a single viscosity grade can cover both low and high temperatures in many applications. The optimised friction behaviour enabled by the carefully selected base oils reduces power loss and improves gear efficiency. By using Klübersynth EG 4 you can benefit from a number of advantages that will help you save costs easily and efficiently. We look forward to hearing from you.
Typical Characteristics
| Product specifications | Method |
Klüber Klübersynth EG 4-150 |
|
| Article number | 012220 | ||
| ISO viscosity grade | DIN ISO 3448 | 150 | |
| AGMA number | 4 EP | ||
| Lower service temperature | -35 °C / -31 °F | ||
| Upper service temperature | 140 °C / 284 °F | ||
| Density | 20 °C | DIN 51757 | approx. 0.87 g/cm³ |
| Kinematic viscosity | 40 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 | approx. 150 mm²/s |
| Kinematic viscosity | 100 °C | DIN 51562 pt. 01/ASTM D-445/ASTM D 7042 | approx. 18 mm²/s |
| Viscosity index | DIN ISO 2909 | >= 130 | |
| Pour point | <= -39 °C | DIN ISO 3016 | |
| Flash point, Cleveland, open-cup apparatus | >= 200 °C | DIN EN ISO 2592 | |
| Foam test | sequence I/24 °C | ASTM-D 892, ISO 6247 | <= 100/10 ml |
| Foam test | sequence II/ 93.5 °C | ASTM-D 892, ISO 6247 |
<= 100/10 ml |
| Foam test | sequence III/24°C | ASTM D 892, ISO 6247 | <= 100/10 ml |
| FZG scuffing test, scuffing load stage | DIN ISO 14635-1, A/8.3/90 |
>= 14 |
|
| FZG scuffing test, scuffing load stage | DIN ISO 14635-1, A/16.6/90 | >= 12 | |
| API scuffing load capacity |
API GL 4 |
||
| FAG FE8 rolling bearing test, wear of rolling element | DIN 51819-3, D 7,5/80-80 | <= 30 mg | |
| FAG FE8 rolling bearing test, wear of cage | DIN 51819-3, D 7,5/80-80 |
<= 200 mg |
|
| Minimum shelf life from the date of manufacture - in a dry, frost-free place and in the unopened original container, approx. |
60 months |
Application notes
Klübersynth EG 4 can be used for immersion, immersion circulation and injection lubrication. The use of drip-feed oilers, brushes, oil cans or suitable automatic lubricating systems is also possible. When using automatic lubricating systems, please note the manufacturer's instructions regarding the maximum permissible viscosity. The low-viscosity varieties are also used for oil mist lubrication. Klübersynth EG 4 is miscible with mineral oils. However, for the Klübersynth EG 4 oil to deliver its full performance, any residues of a previously used mineral oil should not exceed 5 % in quantity. For use at permanent temperatures of 80 °C max., seals made of NBR may be used. For higher temperatures, seals made of FKM should be chosen. It should be noted that elastomers from one or several manufacturers can behave differently; therefore tests should be performed. For checking the contact pattern during running-in, the inspection paint Klübertop P 39-462 Spray (Art. No. 081295) can be used.
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