Hydraulic oil VMGZ
Auto repair

Hydraulic oil VMGZ

In our country, the segment of hydraulic oils is quite developed. And one of the products of this segment is VMGZ oil. This abbreviation is deciphered: "Thickened hydraulic oil for all seasons." This species is widespread in our country. Hydraulic oil of this brand works on countless units. Popularly known in many cases as VMG three.

Hydraulic oil VMGZ

Name according to GOST

According to GOST 17479.3, this brand was named MG-15-V:

  • "MG" - mineral hydraulic oil;
  • "15" - viscosity class. This means that at 40°C the kinematic viscosity is 13,50 - 16,50 mm2/s (cSt)
  • "B" - performance group. This means that the composition includes mineral oils with antioxidant, anti-corrosion and anti-wear additives. The recommended area of ​​application is hydraulic systems with pumps of all types at a pressure of more than 25 MPa and an oil temperature of 90 °C.

Characteristics, scopes

Hydraulic oil VMGZ

VMGZ is used as a hydraulic fluid in a wide range of manufacturing, construction, forestry, as well as in all possible areas where hydraulic technology exists. This is due to the fact that VMGZ oil is quite versatile, it is maintained in operating conditions from -35°С to +50°С, which allows machines to operate in most of the territory of our country in winter and summer without the need to replace the hydraulic fluid. In the conditions of central Russia, it is recommended to use it as a winter crop. Also a big advantage of this type is that it can be used to start hydraulic motors at low temperatures.

VMGZ is available in three variations that differ in pour point and viscosity (the lower the pour point, the lower the viscosity):

  • VMGZ-45°N
  • VMGZ-55°N
  • VMGZ-60°N

Manufacturers and production technologies

Hydraulic oil VMGZ

The main producers of oil VGMZ

Currently, there are three main oil producing enterprises of VMGZ in our country:

  1. Gazpromneft
  2. Rosneft
  3. Lukoil

The main component is good quality oils that have undergone selective purification and have a minimum sulfur content. Such components have a low dynamic viscosity and a high negative pour point. All other properties that the VMGZ brand possesses are achieved through various additives that provide anti-wear, anti-foam, antioxidant and corrosion properties.

Technical specifications

Characterization Value
 Shadow color dark amber
 Mechanical impurities No
 Water No
 Viscosity class (ISO)fifteen
 curing temperature -60C °
 flash point (open cup)  +135C°
 Density at ° less than 20 °C 865kg/m3
 Viscosity coefficient 160 ≥
 Maximum ash content Present in several = 0,15%
 Kinematic viscosity +50C° 10m2/s
 Kinematic viscosity -40C° 1500 m2 / s

Positive features

  • Provides reliable protection of internal parts against corrosion and mechanical wear;
  • Wide range in which the liquid is located under operating conditions, from - 35 ° C to + 50 ° C;
  • The ability to start the system without preheating it;
  • No need for seasonal hydraulic fluid replacement;
  • Anti-foam properties help to reduce the friction of the working fluid;

Expert advice on selection and operation

Hydraulic oil VMGZ

Do not use used VMGZ or low-quality liquid, and even more so of unknown origin.

The consequences of the operation of low-quality VMGZ:

  1. High level of pollution, internal parts of hydraulic systems.
  2. Filter clogging and failure.
  3. High level of wear and corrosion of internal components.
  4. Failure due to a combination of the above factors.

Expert opinion: Downtime on some machines is very expensive, so keep an eye on the condition of the hydraulic fluid and change it in a timely manner.

When choosing, always take from trusted manufacturers. The main properties of VMGZ are almost the same for all manufacturers. Manufacturers are changing the set of antioxidant and anti-corrosion additives. Carefully study the composition and choose the oil that will help you maximize the life of your hydraulic systems. In no case do not start from the price.

Two main factors to consider when choosing:

  1. A set of properties that VMGZ oil provides (indicated in the technical documentation);
  2. Fame and brand authority among users of hydraulic systems;

Hydraulic oil LUKOIL VMGZ

Add a comment