![]() The water can then be drained off by opening a valve in the bottom of the bowl and letting it run out, until only the fuel remains. Some diesel engines use a bowl-like design to collect water in the bottom of the filter (as diesel floats on top of water). filter: noun a porous article or mass (as of paper or sand) through which a gas or liquid is passed to separate out matter in suspension. A stream of fluid to be separated (e.g., a gas-water mixture) is applied to the filter, and the baffles screen out the various components by trapping them in different sections. Fuel filters need to be maintained or replaced at regular intervals. A coalescing filter (or simply coalescer) is a filtration system consisting of several baffle walls or screens. The filters are normally made into cartridges containing a filter paper. If these substances are not removed before the fuel enters the system, they will cause rapid wear and failure of the fuel pump and injectors. Unfiltered fuel may contain several kinds of contamination, for example paint chips and dirt that has entered the fuel tank while filling, or rust caused by moisture in a steel tank. Most internal combustion engines use a fuel filter, in order to protect the components in the fuel system. Difficulty faced, if any, may be brought to notice of the Board.Fuel filter for diesel Volkswagen car enginesĪ fuel filter is a filter used to screens out foreign particles or liquids from the fuel. Board desires that suitable instructions regarding the correct classification of elements of Filters may be issued to the field formations. Filters by themselves would be classified under Heading 84.21.Ĥ. For instance, elements (of Filters) that are made up of paper would be classified in Headings 4812 or 4823 if made up of textile material for technical use then in Heading 59.11 if made up of glass then in Heading 70.19 etc. Thus, it emerges that elements of Filters are to be classified as per their constituent material. It should be noted, however, that filter blocks of paper pulp fall in heading 48.12 and that many other filtering elements (ceramics, textiles, felts, etc.) are classified according to their constituent material. Leaves for intermittent vacuum filters chassis, frames and plates for filter presses rotary drums for liquid or gas filters baffles and perforated plates, for gas filters. “Subject to the general provisions regarding the classification of parts (see the General Explanatory Note to Section XVI), the heading covers parts for the above-mentioned types of filters and purifiers. In this context, the Explanatory Note to Heading 84.21 provides that: ![]() These Explanatory Notes present an internationally accepted view of the scope of each Heading of the Customs Tariff. The scope of parts of articles covered by the said Heading 8421 is explained in the World Customs Organization’s Harmonized Commodity Description and Coding System Explanatory Notes. Heading 8421 of the Customs Tariff applies to, “ Centrifuges, including centrifugal dryers filtering or purifying machinery and apparatus, for liquids or gases”. Therefore, Board has examined the matter with a view to provide clarity in classification of said articles under the Customs Tariff Act, 1975.Ģ. These articles are also being classified under other Tariff Items viz. The Board has noted that while majority of import data in National Import Data Base shows that ‘ elements of Filters’ are being classified under Tariff Item 84219900 as parts of Filters. Subject: Classification of Elements of Filters of Heading 8421 – reg.
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