Knowledge

What are mineral hydraulic oil Classifications ?

Posted by Hamid Shakouri on 3rd Sep 2024

The most popular hydraulic liquid (hydraulic oil) is mineral oil-based, with suitable additives added as per the application. The requirements for this hydraulic oil are set out in ISO 6743-4 with the designations HL, HM, and HV. The German designations HL, HLP, and HVLP are used universally for hydraulic oils, in accordance with DIN 51524. Classification Properties H and HH Minera …
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Hydraulic Oil Overview

Posted by Hamid Shakouri on 3rd Sep 2024

Hydraulic oil is a vital fluid in various industrial and mobile machinery applications, acting as the medium for power transmission within hydraulic systems. Its primary functions include providing lubrication, cooling, and sealing, while also protecting system components from wear, corrosion, and contamination. The performance and longevity of hydraulic systems heavily rely on the quality and cha …
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​What is the NAS test and why is it important for special hydraulic oils?

Posted by Hamid Shakouri on 3rd Sep 2024

Within the realm of oil analysis, the NAS (National Aerospace Standard) system serves as a tool for assessing particulate contamination levels in the oil. This metric becomes an indicator of potential wear and damage within machinery. The NAS system assigns a cleanliness code to the oil, considering the quantity and size of particles present per unit volume of fluid.The NAS code is determined by c …
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What are heat Transfer Oils?

Posted by Hamid Shakouri on 3rd Sep 2024

What are heat Transfer Oils?
Heat Transfer Oils are oils designed to carry and transfer heat in industrial systems that require precise temperature control and are intended for use in closed indirect heating installations. Heat transfer fluids play a crucial role in various industrial processes and applications. They are formulated from highly refined base stocks that are resistant to thermal cracking and chemical oxidation. …
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