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Klübersynth GEM 4-320 N

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Grouped product items
Qty Product Name Price per L/Kg Excl. Tax
- +
Klübersynth GEM 4-320 N 200 L €44,71
€8.942,62
- +
Klübersynth GEM 4-320 N 20 L €54,46
€1.089,17
Total 0,00

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Klübersynth GEM 4-320 N

Synthetic high-performance gear and multipurpose oil with KlüberComp Lube Technology

Application Klübersynth GEM 4-320 N

Klübersynth GEM 4 N was specially developed for the lubrication of spur, bevel, hypoid and planetary gears that are subject to high loads. Such gears are frequently used in the wind, steel, mining and sugar industries. It is also used for the lubrication of standard worm gears as defined in DIN 3996. Klübersynth GEM 4 N can also be used for the lubrication of plain and rolling bearings, all kinds of toothed couplings, chains, guideways, joints, spindles and pumps, especially in applications where the equipment is exposed to elevated temperatures or pronounced temperature fluctuations.

Performance, Features & Benefits of Klübersynth GEM 4-320 N are:

  • High scuffing protection
  • Excellent wear protection for gears and rolling bearings
  • Good shear stability for reliable lubricant film formation
  • High micropitting resistance
  • 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
  • Good elastomer compatibility
  • Approvals by numerous gear OEMs

If you have any questions, please contact OilOnline Technical Helpdesk

Product Description Klübersynth GEM 4-320 N

Klübersynth GEM 4 N is a synthetic high-performance gear and multipurpose oil based on polyalphaolefin satisfying the growing requirements and increasing power density of modern gears. Klübersynth GEM 4 N includes KlüberComp Lube Technology*, i.e. it is based on especially high-grade raw materials and advanced additives, enabling maximum performance in the lubrication of all gear components. Klübersynth GEM 4 N clearly exceeds CLP requirements according to DIN 51517-3. Corresponding gears can be switched to Klübersynth GEM 4 N without prior consultation with the gear manufacturer provided the general application notes are observed. Klübersynth GEM 4 N offers high scuffing load capacity. Gears are sufficiently protected against scuffing even at extremely high peak loads, vibrations or oscillations. The excellent wear protection of both gears and rolling bearings ensures that the service life calculated for the lubricated components is achieved, leading to lower maintenance and repair costs. The oil's high micropitting resistance of GFT ≥ 10 according to FVA 54/7 (tested at 90, 60 and 40 °C) offers sufficient protection to gears that are subject to high loads and would normally be susceptible to this type of damage. Klübersynth GEM 4 N 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. Freudenberg seals made of 72 NBR 902, 75 FKM 585, 75 FKM 260466 and 75 FKM 170055 are statically and dynamically resistant to Klübersynth GEM 4 N. Leakage and oil contamination are prevented. The excellent viscosity-temperature behaviour supports the formation of a sufficient lubricant film across a wide service temperature range, even at elevated and high temperatures. 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. WECs have been known as a life-reducing failure mode among wind turbine operators, bearing manufacturers and lubricant formulators. Our intensive research and testing activities reveal the excellent protection against WEC provided by the additives contained in Klübersynth GEM 4 N. Klübersynth GEM 4 N is approved by Siemens-Flender, SEW Eurodrive, Getriebebau Nord, Lenze, Moventas, Bonfiglioli, Rexnord, Hansen, Brevini, Stöber Antriebstechnik, ZAE Antriebssysteme, David Brown, FLSmidth MAAG Gears, etc. Klübersynth GEM 4-320 N is approved for use in wind power plants by Winergy, Moventas, ZF WP, Bosch Rexroth, ACCIONA ENERGY, and many more. By using Klübersynth GEM 4 N 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 :   Klübersynth GEM 4-320 N
Article number   012235
Marking acc. to DIN 51502   CLP HC 320
Classification acc. to ISO 12925-1   CKC 320
Lower service temperature   -30 °C / -22 °F
Upper service temperature   140 °C / 284 °F
Density, based on DIN 51757) at 15 °C   approx. 860 kg/m³
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
Flash point, Cleveland, open-cup
apparatus
DIN EN ISO 2592 >= 200 °C
Kinematic viscosity,  40 °C DIN 51562 pt. 01/ASTM D-445/ASTM
D 7042
approx. 320 mm²/
s
Kinematic viscosity,  100 °C  DIN 51562 pt. 01/ASTM D-445/ASTM
D 7042
approx. 36 mm²/s
ISO viscosity grade,  DIN ISO 3448 320
Viscosity index,   DIN ISO 2909 >= 155
Copper corrosion,  3 h/100 °C DIN EN ISO 2160 1 - 100 corrosion
degree
Anticorrosive properties on steel,  method
A, steel, 24 h/60 °C
 DIN ISO 7120 no rust corrosion
degree
Pour point,  DIN ISO 3016 <= -35 °C
Ageing properties,  increase in viscosity  ASTM D 2893 <= 6 %
FZG scuffing test,  scuffing
load stage
DIN ISO 14635-1, A/8.3/90 >= 14
FZG scuffing test, based on DIN ISO 14635-1, A/16.6/90,
scuffing load stage
  >= 12
FAG FE8 rolling bearing test, 
wear of rolling element
DIN 51819-3, D 7,5/80-80 < 5 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.
  24 months

 

Application notes

Klübersynth GEM 4 N can be applied by means of immersion, immersion circulation or injection. 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 GEM 4 N is miscible with mineral oils. However, for the Klübersynth GEM 4 N oil to deliver its full performance, any residues of a previously used mineral oil should not exceed 5 % in quantity.
 

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