How to Select the Right Hydraulic Oil / Taiwan-Based Metalworking Fluid Manufacturer & Supplier For 39 Years | HLJH

Hydraulic Oil / HAI LU JYA HE Co., Ltd. (HLJH) have been focusing on manufacturing and marketing the industrial lubricants more than 30 years. Our fundamental belief is to make a harmful, friendly with lives, businesses, and leaving a lasting legacy for generations to come. We offer metalworking fluids (water-based cutting fluid, neat cutting oil), rust preventive oil, hydraulic oil, slideway oil, spindle oil, gear oil and so on that cover the whole industrial lubricant value chain.

Hydraulic Oil

How to Select the Right Hydraulic Oil

Hydraulic oil is used to transfer power within hydraulic machinery and equipment. HAI LU JYA HE is an expert of industrial lubricants, we offer the brands of hydraulic oil, like MORESCO, WILL, CPC, MOBIL, SHELL, and so on. Most customers asked the question:”How to select the right hydraulic oil? ” That is a common question, but also easy to be ignored.


In the market, there are plenty of options when it comes to lubricant selection. Generally, the operators will purchase specific hydraulic oil from their machine manufacturer or machine manual. But how do you know if you're using the right hydraulic oil? Most lubricant mis-specifications don't lead to sudden and catastrophic failure, but rather they shorten the average life of the lubricated components.

When selecting a hydraulic fluid, it is very critical to determine the system's needs: viscosity, additives, operation, etc. which in order to ensure the system's ability to function properly and attain long life. Viscosity is of paramount importance in choosing a fluid. These specifications are typically determined by the type of hydraulic pump employed in the system, operating temperature and the system's operating pressure.

Viscosity Grades of Hydraulic Oil

With hydraulics, there are three grades for considerations - ISO 32, ISO 46, ISO-68. These specifications are typically determined by the weight and viscosity of the oil. Type of fluid is best for a particular equipment Data Sheet to show how to select the right hydraulic oil for your machinery.

When selecting the appropriate viscosity grade, look for the optimum viscosity required by the hydraulic pump. Check the operating temperature of the pump and see if it falls between the temperature ranges of the lubricant in question. If not, you may need to increase or decrease the viscosity of the lubricant to achieve the desired, optimum viscosity.

If you use oil with a viscosity that’s too high for the climate in which the machine must operate, the oil won't flow properly or lubricate adequately during cold start. If you use oil with a viscosity too low for the prevailing climate, it won’t maintain the required minimum viscosity, and therefore adequate lubrication, on the hottest days of the year.

As you can see, selecting the proper hydraulic oil for the application is not a hard task, but it does require time to research the application, determine the resulting cost and decide which fluid type is best. Just because a machine will run with a particular product doesn't mean that product is optimum for the application.

Hai Lu Jya He offers the hydraulic oils of viscosity 32, 46, 68 which all contain an effective anti-wear additive and anti-foam additives to release entrained air rapidly. If you still have questions about its use or simply want to place an order, you can do so by giving our friendly and knowledgeable team a call on +886-4-25332210, sending us an inquiry, or filling out the form below. We will contact you as soon as possible.

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How to Select the Right Hydraulic Oil | Eco-Friendly, Harmless & Low Pollution Industrial Lubricants Manufacturer And Supplier Since 1982 | HLJH

Located in Taiwan, HAI LU JYA HE CO., LTD has been an industrial lubricant manufacturer and supplier. Main products, include metalworking fluids, industrial lubricants, soluble cutting oils, semi-synthetic cutting oils, synthetic cutting fluids, neat cutting oils, rust preventive oils, slideway oils and hydraulic oils, which can reach 150 tons of cutting fluids per month.

HAI LU JYA HE Co., Ltd. (HLJH) have been focusing on manufacturing and marketing the industrial lubricants more than 30 years. Our fundamental belief is to make a harmful, friendly with lives, businesses, and leaving a lasting legacy for generations to come. We offer metalworking fluids (water-based cutting fluid, neat cutting oil), rust preventive oil, hydraulic oil, slideway oil, spindle oil, gear oil and so on that cover the whole industrial lubricant value chain. Our fundamental belief is to offer harmful and friendly products such as water-based cutting oils, neat cutting oil, rust preventive oil, hydraulic oil, slideway oil, spindle oil, gear oil and so on that cover the whole industrial lubricant value chain.

HLJH has been offering customers high-quality metalworking oils and fluids, both with advanced technology and 39 years of experience, HLJH ensures each customer's demands are met.