Diesel Fuel Flow Meter Marine | English Translation Guide for Automotive and Motorcycle Parts | Magnetic Flow Meter

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1. One article on marine fuel (light oil, heavy oil, low sulfur oil, ultra-low sulfur oil, sulfur limit order, 180cSt, 380c...

Marine fuel is mainly divided into two categories: light oil (diesel) and heavy oil (fuel oil), further subdivided according to sulfur content, viscosity, and purpose, and significantly influenced by international "sulfur limit orders". Below is an analysis of classification, characteristics, application scenarios, and market trends:

1. Definition and classification of light oil (diesel). Light oil, commonly known as diesel, is divided into MGO (Marine Gas Oil, light diesel/gasoline) and MDO (Marine Diesel Oil, heavy diesel). MGO: with the lowest viscosity, suitable for high-speed diesel engines, sulfur content ≤ 0.1% m/m, commonly used for specific sea areas, ports, or main and auxiliary engine oil changes (such as dock maintenance). MDO: viscosity higher than MGO, suitable for medium speed diesel engines, often used in special sea areas. However, due to the convergence of prices with MGO (Clarkson database stopped updating MDO prices after 2012), MGO is often directly used in actual ship operations. The application scenarios are mainly used for main engine maneuvering navigation (entering and leaving ports, narrow waterways, severe weather), auxiliary engine and boiler start stop. Its advantages lie in rapid start-up and clean emissions, but the cost is relatively high.

2. Definition and classification of heavy oil (fuel oil). Heavy oil, commonly known as IFO (Intermediate Fuel Oil) or HFO (Heavy Fuel Oil), is a mixture of petroleum cracking residue oil and straight run residue oil, with high viscosity and a high content of non hydrocarbon compounds.

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e sulfur content and viscosity, it is subdivided as follows: high sulfur heavy oil (HSFO) with sulfur content ≥ 3.5% m/m (some up to 4.5% m/m) has the lowest cost but serious pollution. Low sulfur heavy oil (LSFO/VLSFO): sulfur content ≤ 0.5% m/m, in compliance with global sulfur restriction standards. Ultra low sulfur heavy oil (ULSFO): sulfur content ≤ 0.1% m/m, same sulfur grade as MGO, and similar price. According to viscosity of 120cSt, 180cSt, 380cSt: the higher the number, the higher the viscosity. 380cSt: mainstream in the market, high viscosity (normal operating temperature 130 ℃~145 ℃), lower cost, but poor fluidity. 180cSt: Low viscosity (normal operating temperature 110 ℃~120 ℃), good fluidity, low wear on the host, but slightly higher price. Note: There is no 380cSt low sulfur heavy oil globally, and the viscosity of low sulfur/ultra-low sulfur heavy oil is 180cSt or below. Application scenario: Heavy oil is mainly used as the main fuel for long-distance navigation and is widely used due to its low cost. But it needs to be heated to reduce viscosity, and high sulfur content requires matching desulfurization equipment or the use of low sulfur oil.

III. Sulfur Limitation Regulations and Market Response International Regulations Global Sulfur Limitation Regulations (effective in 2020): Ship fuel sulfur content ≤ 0.5% m/m (global waters) or ≤ 0.1% m/m (sulfur emission control zones, ECA）。 Prohibited from carrying excessive fuel: Ships without desulfurization towers are not allowed to carry fuel with a sulfur content greater than 0.5% m/m. The response plan is to use low sulfur oil/MGO: directly switch to LSFO/VLSFO or MGO, but the price difference between high and low sulfur oil is about $150/ton, which s

Diesel Fuel Flow Meter Marine | English Translation Guide for Automotive and Motorcycle Parts | Magnetic Flow Meter

1. One article on marine fuel (light oil, heavy oil, low sulfur oil, ultra-low sulfur oil, sulfur limit order, 180cSt, 380c...

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