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The Use of Vacuum in Lubricants Production

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Vacuum system renewal in the production of Petronas lubricants

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The production process of lubricants for industrial and automotive use requires vacuum for decanting liquids in large quantities and for the evaporation of the condensation accumulated during the storage phases and product transportation.

During these phases, lubricants are likely to absorb humidity from the surrounding environment. Vacuum is used to prevent this from happening. In fact, vacuum enables the elimination of humidity without altering the properties of the product as required by the major European car manufacturers. Furthermore, vacuum speeds up the transfer of the liquid between tanks, maintaining the purity of the lubricants.

PETRONAS Lubricants International (PLI) produces and sales lubricants all over the world and it is part of PETRONAS, a Malaysian oil company established in 1974. The PLI plant in Villastellone, near Turin - Italy, has trusted in Pneumofore for the supply of compressed air for over 30 years.

In 2014, PLI relied on Pneumofore’s engineering skills also for the supply of vacuum, with the installation of a UV16 H VS30 rotary vane vacuum pump equipped with inverter. Previously, the vacuum system consisted of three single stage double horizontal piston pumps with drop greasing and capacity of 500 m3/h, residual pressure of 0.5 mbar(a) and installed power of 18.5 kW. Two of these pumps were in operation for 16 hours per day, whereas the third was used as backup unit.

Unlike the double horizontal piston pumps, Pneumofore UV16 H VS30 vacuum pump does not require lubricant refill, reducing the time needed for maintenance which now simply requires the replacement of lubricant and filters every 4,000 hours of operation. Furthermore, the machine was immediately quieter than the pumps previously installed, which is particularly appreciated by the operators who were used to working in a very noisy environment.

Considering the excellent results, PLI plans to completely replace the old piston pumps with the installation of an additional UV16 vacuum pump. Pneumofore pumps will operate alternately, one as back-up for the other, creating a vacuum system capable of operating at full efficiency for decades.

January 2017

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ROTARY VANE BY PNEUMOFORE

simple, reliable & durable

Direct coupling means few moving parts, low rotation speed, low temperature. This virtually eliminates repairs and ensure superior reliability and longevity.

high energy savings

Air cooling through vertical layout, direct coupling, and intensive oil injection can result in up to 70% less power usage than other systems.

designed for extremes

Tested and proven for high performance in desert and tropical climates and available for special requirements like explosive gas or food safety.

low cost of operation

Low maintenance, negligible repairs, high energy savings and high reliability (no production downtime) make this the least costly long-term option available today.

easy to install and run

Ready-to-use turnkey system with optional Variable Speed drive. No foundation or water needed. Compact footprint with heat recovery. ISO 9001 and ISO 14001 certified.

first class support

Each unit comes with integration engineering and a 5-years warranty. Extraordinary and regular service by Pneumofore certified professionals is available worldwide.
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