Hydraulic Oils

Hydraulic Oils

PetroTek offers full range of hydraulic oils, including

  • Zinc free Hydraulic oils,
  • Zinc containing Hydraulic oils,
  • Synthetic Hydraulic oils,
  • Hydraulic oils with detergency properties
  • High Viscosity Index Hydraulic Oils
  • Fire Resistant Hydraulic oils
  • Food Grade Hydraulic Oils
  • Water Based Hydraulic Oils
  • High Temperature Hydraulic Oils.

Hydraulic Oil Types


Ranges of Viscosity : ISO VG  5 To ISO VG 100

Pack Size in 20 , 205, 1000. (Liters)

The Definitive Guide to Choosing the Right Hydraulic Oils for Your Machinery

What are Hydraulic Oils and Why are They Essential for Machinery?

Hydraulic oil is an essential lubricant for machinery and equipment. It helps to keep the machine parts functioning correctly and reduces wear and tear on the components. The fluid also helps to reduce friction, which in turn increases the efficiency of the machinery. Hydraulic oil also acts as a coolant, preventing overheating of the components and reducing noise levels. Hydraulic oils are available in various viscosities, making them suitable for a range of applications, from industrial to automotive use. This article will discuss what hydraulic oil is, why it is important, and how it can be used in different types of machinery.

Understanding the Types of Hydraulic Oils & Their Properties

1)Synthetic hydraulic fluid

Synthetic hydraulic fluids are typically created from polyalphaolefin (PAO) or polyalkylene glycol (PAG) base stocks. They offer superior lubricating properties compared to traditional mineral-based hydraulic fluids, including lower pour points and improved oxidation stability. They are also more resistant to thermal degradation, and are less vulnerable to varnish and sludge formation. Synthetic hydraulic fluids are often used in applications requiring high-pressure systems or those exposed to extreme temperatures or environments.

2)Mineral-Based Hydraulic Oils

Mineral-based hydraulic oils are made from petroleum-based products and are the most common type of hydraulic oil used in industrial applications. These oils are formulated to provide lubrication, protection, and sealing between metal surfaces. They have good fire resistance, and can handle high temperatures without breaking down. They are also relatively inexpensive and easy to find.

3)Biodegradable hydraulic oils

Biodegradable hydraulic oils and fire-resistant hydraulic oils available on the market today. Furthermore, each type of oil has different viscosity grades which must be taken into consideration when selecting an appropriate oil for a given application. In this article, we will discuss all these aspects in detail so that you can make an informed decision when it comes to selecting the right type of hydraulic oil for your needs.

How to choose the right Hydraulic oil?

Choosing the right hydraulic fluid or hydraulic oil is important to ensure the proper functioning and longevity of hydraulic systems. Here are some factors to consider when selecting hydraulic fluid:


Hydraulic fluid should have the right viscosity for the specific application. Viscosity is a measure of a fluid's resistance to flow, and it is typically rated at specific temperatures. A hydraulic fluid with too high or too low viscosity can cause system failure.

2)Performance requirements

 Different hydraulic systems have different performance requirements, such as operating temperature range, pressure range, and load-carrying capacity. Ensure the hydraulic fluid meets these requirements.


 Additives can improve the performance of hydraulic fluids. Anti-wear additives can prevent wear on hydraulic components, while anti-foam additives can prevent foaming.


The hydraulic fluid should be compatible with the materials used in the hydraulic system. For example, some hydraulic fluids can cause damage to seals or hoses.

5)Environmental considerations

Some hydraulic fluids are more environmentally friendly than others. Consider using biodegradable hydraulic fluids if the system operates in environmentally sensitive areas.

6)OEM recommendations

Manufacturers of hydraulic systems often specify the type of hydraulic fluid to be used. Follow the OEM recommendations to ensure the best performance and longevity of the system.

In summary, when selecting hydraulic fluid, consider viscosity, performance requirements, additives, compatibility, environmental considerations, and OEM recommendations

Choosing the right hydraulic oil is essential for many machinery applications and can be a difficult task. It's important to understand the type of machinery you are using and what its needs are in order to select the oil that is best hydraulic oil from petrotek for your machine. Additionally, knowledge about different grades of oils available in petrotek can help you make a well-informed decision about which one will serve you best. Following best practices when selecting your hydraulic fluid will ensure optimal performance from your machinery.

Common Pitfalls to Avoid When Choosing a Hydraulic Oil

Hydraulic oil is an essential component of any machinery operation. It is important to choose the right hydraulic oil for your specific machinery and operations from petrotek, as incorrect viscosity can lead to costly repairs and downtime. In this article, we will discuss some common mistakes that people make when choosing a suitable fluid for their machinery operations. We will also provide tips on how to avoid these pitfalls and ensure that you are using the correct hydraulic oil for your machinery.

1)Not considering the viscosity grade

The viscosity grade is a critical factor in selecting hydraulic oil. Choosing the wrong viscosity grade can lead to poor performance, reduced efficiency, and even damage to the system.

2)Not checking compatibility

Different hydraulic oils are formulated with different additives, and some may not be compatible with the materials used in your hydraulic system. It is essential to check the compatibility of the oil with your system's components before making a selection.

3)Not checking the fluid's properties

The properties of the hydraulic oil, such as anti-wear, anti-foam, and anti-corrosion properties, can significantly affect the performance of your hydraulic system. It is crucial to check the fluid properties to ensure they meet the requirements of your system.

4)Not considering the operating conditions

The operating conditions, such as temperature and pressure, can also impact the performance of hydraulic oil. Not selecting an oil that can withstand the operating conditions of your system can lead to failure and downtime.

5)Not following manufacturer recommendations

 Manufacturers often provide specific recommendations for hydraulic oils for their systems.reduce efficiency, and damage the system.

In summary, selecting the right hydraulic oil from petrotek involves considering the viscosity grade, compatibility, fluid properties, operating conditions, and manufacturer recommendations. Avoiding these common pitfalls can help ensure optimal performance and longevity of your hydraulic system.