LE Launches DUOLEC Vari-Purpose Gear Lubricants - Mining Technology | Mining News and Views Updated Daily
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LE Launches DUOLEC Vari-Purpose Gear Lubricants

Lubrication Engineers (LE) is proud to launch their latest exciting ‘Enhanced Lubricant™’ to the mining market – a new, improved product that supersedes LE’s now legendary ALMASOL® Vari-Purpose gear lubricant: the 1601-1609 DUOLEC™ Vari-Purpose gear lubricants (DVPGL). This new product range offers LE’s mining customers significant performance improvements versus even the impressive ALMASOL gear oils. It includes LE’s new, unique proprietary additive DUOLEC that was developed specifically for use in gear oil applications. The 1600 DUOLEC series also provides many other benefits that this new gear additive technology is able to deliver including an incredible FZG Test 14th Stage Pass, Timken OK Load of 75lbs, greater thermal stability, improved shear resistance, better water separation and the ability to be filtered to low micron levels without harming or removing additives. The 1601-1609 DUOLEC Vari-Purpose gear lubricants are high performance technology gear oils developed to surpass the challenges of today’s more demanding applications in the industrial and mobile equipment markets.

Proprietary additive

The 1601-1609 DUOLEC Vari-Purpose gear lubricants contain LE’s new dimension proprietary additive DUOLEC – a dual acting liquid additive that shares attributes of both LE’s ALMASOL and MONOLEC® but offering even better wear protection. DUOLEC incorporates revolutionary new technology which is thermally activated to provide dual levels of anti-wear and extreme pressure protection that form a solid-like protective layer on the metal surface. This layer then fills surface asperities, effectively smoothing the surface and minimizing the effects of any metal to metal contact thereby reducing friction and preventing welding and surface wear.

Testing for the friction reduction capabilities of DUOLEC was conducted using the SRV friction test machine. The test results showed a 25% reduction in friction over the base oil when DUOLEC was incorporated. As increasing numbers of OEMs are requiring more stringent cleanliness levels, this new liquid additive also allows the DVPGL line to be filtered to much cleaner levels than with ALMASOL.

New numbering system

The DUOLEC line has a new numbering system beginning with 1601 (ISO 46) and ending with 1609 (ISO 1000) – with the relevant ISO numbers in ascending order. All products apart from 1609 have their last digits relating to the AGMA Viscosity Grade numbers of the products. For example, 1605 is AGMA 5EP Grade.

Additive backbone

The 1600 series contains a new additive system that is exclusive to LE and is the result of numerous years of research. The backbone of the product is based on the proven technology used for many years in several of LE’s synthetic products. The new, enhanced package provides superior performance and meets the industrial gear claims of US Steel 224 and AGMA 9005 E02 as well as the API GL-5 specification for severe automotive conditions – a performance level that few other industrial gear oils are able to claim. Typical industrial gear oils are not formulated to meet this high level of performance.

Improved thermal stability

The new line is formulated with more thermally stable and oxidation resistant extreme pressure (EP) additives that do not sacrifice any load-carrying capability. Its oxidation resistance provides improved thermal stability at elevated temperatures. In fact the DUOLEC line boasts impressive EP performance with a Timken OK Load of 75lbs along with reduced deposit formation.

Proprietary three-component shear stable Tackifier system

LE’s R&D department has developed a new three-component tackifier system that provides improved gear climbing and adhesion to metal surfaces whilst minimizing the amount of shear experienced by the product when in service or even when filtered to low micron levels.

Improved water separation

The incorporation of new and improved demulsifiers in the DVPGL package along with an impressive synergistic combination of additives provide even better water separation performance. The easy draining of water from a gearbox means longer oil life and no possibility of gearbox rust problems.

New defoamant

The 1600 DUOLEC Series contains non-silicone defoamants which are not easily removed when the gear oils are filtered, thus they also last longer in the oil. They help to improve the ability to monitor direct contamination during oil analysis as the gear oil does not contain silicone which can sometimes confuse customers when trying to remove dirt from their oil.

Compatibility with ALMASOL Vari-Purpose gear lubricants

The 1600 DUOLEC series has been thoroughly tested and is completely compatible with the ALMASOL Vari-Purpose gear lubricant line that it is replacing – meaning that LE’s current gear oil customers should have no concerns about converting their gearboxes from ALMASOL to DUOLEC Vari-Purpose gear lubricants. They will just be able to enjoy the improved performance of a new dimension ‘Enhanced Lubricant’.

Outperforms equivalent competitive products on the market

The 1600 DUOLEC Series’ Timken OK Load of 75lbs is even 10lbs higher than LE’s original ALMASOL 600 Series resulting in better extreme pressure (EP) performance. Its high four ball weld point and load wear index (LWI) result in far better load carrying performance than similar competitive products on the market today.

“The replacement product range for our extremely popular and successful ALMASOL Vari-Purpose line was always going to have to be incredibly impressive – we have done even better than planned with our new DUOLEC Vari-Purpose line. The performance of these new gear oils is just outstanding and mine gearbox operators worldwide will very quickly understand that DUOLEC will improve the reliability and performance of their expensive equipment – their production and profits will increase,” said Scott Schwindaman, president, Lubrication Engineers.

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