CLOSED GEAR BOXES & CIRCULATION SYSTEMS

BECHEM’s range of mineral and synthetic oil based gear oils offer superior performance by reducing power losses and providing extended life in circulation systems and gearboxes. Some of these applications in Cement plants are,

  • Ball, Rod and SAG mills
  • Rotary kilns, Coolers and Dryers
  • Vertical Roller mills and Roller presses
  • Hydraulic and Bucket Wheel excavators and draglines
  • Crushers, Stacker and Re-claimer Systems, Conveyor systems
  • Cranes, Winches, Hoists and Spreader systems
For more details, send in your query at sales@bechemindia.com or call us at
+91 80 66900800/01/02.

Lubrication for Closed Gear & Circulation System

Berusynth EP series are Polyglycol based, high quality synthetic gear oil available from ISO VG 68 to 1000 with service temperature range of -30˚C to +180˚C. Berusynth EP range of gear oils provide excellent oxidation and shear stability, superior load carrying capacity and wear protection. With very high ageing resistance, Berusynth EP series allows for extended oil changing intervals.Possesses good viscosity-temperature behaviour. The gear oil series with reduced coefficient of friction results in lower sump temperatures, minimum power loss and extended oil change intervals.

Applications: These specially formulated gear oils are recommended for heavily loaded spur gears, bevel gears, spiral and worm gears in rolling mills, paper mills and textile manufacturing units. Berusynth EP range also provide superior results in roller and plain bearing applications where operating temperature are constantly above 100˚C.

Please consult a BECHEM Application Engineer for selection of the suitable grade of ‘Berusynth EP’ series for your application.

ProductBase OilTypeTemp Range °C Send Your Queries
Berusynth EP Series (68 – 1000)

  • High temperature
  • High loads
  • Closed gears
  • Roller bearings
PolyglycolCLP – PG-30 to +140
-25 to +180

Berusynth GP series are Polyalphaolefin based high performance synthetic gear oils available from ISO VG 69 to 1000 with good viscosity temperature behaviour. Berusynth GP range of gear oils provide excellent oxidation, shear stability, superior load carrying capacity and wear protection. With very high ageing resistance, Berusynth GP series allows for extended oil changing intervals.The gear oil series with reduced coefficient of friction results in lower sump temperatures, minimum power loss and extended oil change intervals.

Applications: These specially formulated gear oils are recommended for heavily loaded spur gears, bevel spiral and worm gears in rolling mills, paper mills and textile manufacturing units. Berusynth GP range also provide superior results in roller and plain bearing applications where operating temperatures are constantly above 100 °C.

Please consult a BECHEM Application Engineer for selection of the suitable grade of ‘Berusynth GP’ series for your application.

ProductBase OilTypeTemp Range °CSend Your Queries
Berusynth GP 68

  • High temperature
  • High loads
  • Closed gears
  • Roller bearings
PAOCLP – PG-30 to +140
ProductBase OilTypeTemp Range °CSend Your Queries
Berusynth GP 150 to GP 460

  • High temperature
  • High loads
  • Closed gears
  • Roller bearings
PAOCLP – PG-35 °C to +150 °C
ProductBase OilTypeTemp Range °CSend Your Queries
Berusynth GP 1000

  • High temperature
  • High loads
  • Closed gears
  • Roller bearings
PAOCLP – PG-25 °C to +180 °C

Berugear GSBM series are high performance gear and circulation oils with PD additives for gearboxes running under high mechanical loads and heavily loaded gears. Berugear GSBM range of gear oils provide excellent oxidation and shear stability, superior load carrying capacity and wear protection. Forms reactive surface layer which supports plastic deformation and thus increases the contact area. Most suitable for gears subjected to high sliding friction. The gear oil series with reduced coefficient of friction results in lower sump temperatures, minimum power loss and extended oil change intervals.

Applications: Recommended as running in oil with gears under heavy loads as well as shock loads, also as anti wear gear oils to prevent further deterioration of already damaged gears. These specially formulated gear oils are recommended for heavily loaded spur gears, bevel, spiral and worm gears.

Please consult a BECHEM Application Engineer for selection of the suitable grade of ‘Berugear GSBM’ series for your application.

ProductBase OilTypeTemp Range °CSend Your Queries
Berugear GS 220 – 1500 BM

  • High
    loads
  • Closed gears
  • Roller bearings
  • Plain bearings
Mineral oilCLP-20 to +120

Applications and Properties

The unique pictograms help identify primary characteristics of the lubricant as well as key applications and industries it has been established at a glance. However the final recommendation would still have to be by the BECHEM specialist after having studied application and its operating environment. As the saying goes, ‘every problem has a unique solution, if only, one is looking for it’. This is the core philosophy to our approach towards ‘Application Engineering’ and staying true to ‘speciality’

High temperature

High loads

Closed gears

Roller bearings

Low temperature

Noise damping

Plain bearings

Frequently Asked Questions

Short bytes for queries on lubricants that always bothered you

Greases are made by mixing a solid material, called a thickener, with a base oil and property enhancing additives; but it’s the oil that forms the lubrication film. For better understanding, grease thickener can be thought of as a sponge saturated with oil. Moving parts squeeze the oil out of the sponge like thickener for forming the lubrication film. Typically, the base oil constitutes the largest proportion of grease weight at about 80-90%, followed by thickener at 10 to 20% and additives under 10%.

Dropping point of a lubricating grease is an indicator of the heat resistance of the grease. and is the temperature at which the grease is no more a thickened lubricating medium. The dropping point indicates the upper temperature limit at which a grease retains its structure, not the maximum temperature at which a grease may be used.

Few greases have the ability to regain their original structure after cooling down from the dropping point.

The most important feature of a grease is its consistency. A grease that is too stiff may not get pumped into areas requiring lubrication. While a grease that is too fluid may leak out. Grease consistency depends on the type and amount of thickener used and the viscosity of its base oil. A grease consistency is its resistance to deformation by an applied force.

The measure of consistency is called penetration. Penetration depends on whether the consistency has been altered by working. Standard test procedures established by American Society for Testing and Materials International (ASTM) and accepted by industry are ASTM D 217 and D 1403, measure penetration of unworked and worked greases.

The NLGI has established consistency numbers ranging from 000 to 6, corresponding to specified ranges of penetration distance of the standard cone into the test grease. Table below lists the NLGI grease classifications along with a description of the consistency of each classification.

Viscosity: It is a measure of resistance to flow of a lubricating oil.

Viscosity index: It is defined as rate of change of viscosity with respect to temperature.

Significance:

  • It is the most important property which determines the performance of lubricating oils under the influence of temperature
  • A lubricating oil should have sufficient viscosity to retain a lubricating film on the surface
  • On machine part moving at slow speeds under high pressures, a high viscous oil should be used as it better resists being squeezed out from between the rubbing parts.  Light oils can be used for lower pressures and high speeds.
  • It is not possible to maintain a liquid oil film between two moving or sliding surfaces if the viscosity is too low and hence excessive wear will occur.

The pour point of an oil is the minimum temperature at which the oil turns into semi solid and almost losses its flow characteristic. At low temperatures, the viscosity of the oil will be very high, causing the oil to resist flow. This is important in equipment that operates in a cold environment or handles cold fluids.

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