How to Choose Diesel for Your Equipment

According to the national standard (GB252-87), the specifications of light diesel oil are divided into six grades according to the freezing point: 10, 0, -10, -20, -35 and -50, respectively indicating that the freezing point is not higher than 10 °C, 0 °C, -10 ℃, -20℃, -35℃ and -50℃; the higher the grade, the lower the freezing point. Diesel is one of the most important materials in fuel system. 

Diesel is a special fuel used in compression ignition engines (ie diesel engines). The appearance of diesel oil is water white, light yellow or tan liquid. Diesel is divided into light diesel and heavy diesel. Light diesel is the fuel used in high-speed diesel engines over 1000 r/min, and heavy diesel is used in medium and low-speed diesel engines below 1000 r/min. The diesel fuel sold by the general gas station is light diesel. The standard for light diesel products is GB 252-2000 "Light Diesel Oil". The diesel grades in this standard are divided into No. 10, No. 5, No. 0, -10, -20, -35, -50. The classification of diesel grades is based on the freezing point of diesel. The right diesel would be very friendly to your engine spare parts.

The cold filter point is an important indicator to measure the low temperature performance of light diesel oil, which can reflect the actual low temperature performance of diesel oil, and is closest to the actual minimum operating temperature of diesel oil. When selecting diesel grades, users should take into account both the local temperature and the cold filter point corresponding to the diesel grades. The cold filter point of No. 5 light diesel oil is 8°C, the cold filter point of No. 0 light diesel oil is 4°C, the cold filter point of No. 10 light diesel oil is -5°C, and the cold filter point of No. °C. If you choose wrong diesel no., it would be a serious harm to your piston, cylinder liner, piston, or crankshaft......

According to the requirements of the GB 252-2000 standard, the selection of light diesel oil grades should follow the following principles:
1. No. 10 light diesel oil is suitable for diesel engines with preheating equipment;
2. No. 5 light diesel oil is suitable for use in areas with a risk rate of 10% where the lowest temperature is above 8°C;
No. 3.0 light diesel oil is suitable for use in areas with a risk rate of 10% where the lowest temperature is above 4 °C;
4. - No. 10 light diesel oil is suitable for use in areas where the lowest temperature is above -5°C with a risk rate of 10%;
5. - No. 20 light diesel oil is suitable for use in areas with a risk rate of 10% where the lowest temperature is above -14°C;
6. - No. 35 light diesel oil is suitable for use in areas where the lowest temperature is above -29°C with a risk rate of 10%;
7. - No. 50 light diesel oil is suitable for use in areas where the lowest temperature is above -44°C with a risk rate of 10%;

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