Since , the British Standard for Industrial Fuel Oils, BS, contains two grades of Gas Oil; Class A2 & Class D. The Class A2. Gas Oil BS Class A2. Gas Oil is a distillate fuel manufactured to give clean burning, maximum heat output and efficient combustion in boilers and off-road. Free download of BS – the fuel specification data sheets for Red diesel, gas oil and Red Diesel / Gas Oil 10ppm Specification Sheet (BS Class A2).
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Gas Oil is a middle distillate liquid refined from crude oil. It has many different names in the UK and a variety of uses. Gas Oil is vlass “dual purpose” fuel.
It has a high calorific value heat content and is thus recommended as a boiler fuel in industrial or agricultural installations with pressure jet burners e. It can also be used in a diesel engine fuelling off-the-highway equipment such as farm tractors, construction equipment, railway and marine engines, and stationary diesel engines or generators.
It can be called: A lot of the confusion around Gas Oil, and the variety of different names, has come both from its variety of different uses, and changes to product specification over the last few decades. We will expand on this later. Road bs2689, Petrol and Diesel have high duty rates applied to them, but other non-road fuels have lower or zero duty rating applied.
As Gas Oil is a form of diesel it can be be2869 in diesel engines to provide propulsion or generation. Gas Oil is permitted for use in Tractors, hence Tractor Diesel, and on Farms, hence Farm or Agricultural Diesel, and is marked with a red dye to reflect this.
The red dye contains chemical markers in accordance to Customs and Excise requirements and clxss its illegal use can be easily detected.
Environmental Legislation has demanded cleaner fuels with less harmful emissions and the British Standard for Gas Oil has changed specification to meet this. Sulphur was identified as one of the most harmful components of Gas Oil, but was historically needed as a lubricant within the fuel.
What is Gas Oil? CPS Fuels Information Sheet
The Class A2 specification is suitable for both diesel engines and furnace applications whilst the Class D specification is only suitable for furnace applications such as boilers, dryers and roadstone coating plants, but not suitable for diesel engines. As very few engines or burners can now legally use Class D fuel, the fuel industry has concentrated on making, storing, and distributing Class A2.
From a consumers perspective most applications can use Class A2 without any cost or performance implications. EN is the current standard for all automotive diesel fuel sold in the European Union member states. It is published by the European Committee for Standardization and it describes the physical properties of the fuel.
It was introduced to partner the European emission standards as part of the drive for a cleaner environment.
There are two recognized standards of Gas Oil that are currently in use: Class A2 has a maximum sulphur content of 10ppm and is used for off road vehicles and equipment, while Class D has a maximum sulphur content of ppm and can only be used for heating or static generators. Class A2 gas oil may be used for either application. Gas Oil has a lower cetane rating, so may have a lower energy yield than the DERV vehicle clzss alternative.
Sulphur Limits on Fuel Explained | Crown Oil UK
The higher the cetane rating the shorter the ignition delay. In the Government changed their legislation as a result of EU pressure to decrease off highway emissions.
So init became a requirement that all fuel used in off-highway mobile machinery must comply with EU Ultra Low Sulphur Diesel ULSD regulations, and must therefore contain no more than 10mg of sulphur per kg of fuel. Since white road diesel DERV was already ULSD compliant at this time, it is often believed that the specifications for red diesel clas white diesel have been identical since the regulation change, but the potential for the two differences — cetane and bio components remain.
In the UK it was found that some modern tractors suffered from poor performance because they were running Class A2 Gas Oil whereas they were designed to operate on fuel that met the higher BS EN white road diesel fuel specification.
John Deere, in particular, specify that fuel used within their engines must comply with the bw2869 BS EN white road diesel fuel specification in order to guarantee performance and avoid invalidating warranties.
What is Gas Oil? CPS Fuels Information Sheet
Since the change is legislation, and because the majority of Gas Oil used in the UK goes into the Agricultural and Commercial markets to power engines, UK refiners and importers have focused on supplying the UK with diesel which meets the highest possible required European standard EN CPS Fuels Gas Oil meets the same BS EN specifications as white road diesel and ckass therefore suitable for use in all clasd machinery without the need for fuel treatments or additives.
Gas Oil supplied from September onwards is winterised.
Both our suppliers, and CPS Fuels, reserve the right to alter the specification without notice. Nothing on this specification, or in this article, constitutes a guarantee. Back to the news.
Why is Gas Oil Red? Has Gas Oil specification changed? What’s the British Standard for Gas Oil? So what is my Gas Oil now?