January 2021

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Valves, Pumps and Turbomachinery: Use the correct lube oil grade to avoid equipment failures

Lubrication is imperative to the performance of rotating equipment.

Rathore, A. J. S., Indorama Eleme Petrochemicals & Fertilizers Ltd.

Lubrication is imperative to the performance of rotating equipment. Each year, millions of bearings fail due to poor lubrication, the most common cause of bearing failure. An estimated 36% of bearings suffer lubrication failure—studies have shown that actual lubrication cost is just 1%–3% of the total maintenance budget, while 40% of maintenance cost is linked to poor lubrication. Poor lubrication includes: Inappropriate lubricant Improper quantity Inadequate relubrication intervals Contamination. The primary functions of lubricant are to reduce friction and wear, heat dissipation, protection against corrosion, and provide a sealing effect by creating an oil film between mating sur

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