Petroleumprodukter och smörjmedel - Metoder för klassificering - Definition av klasser. Petroleum products and Method of classification of classes

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1 Petroleum products and Method of classification of classes lubricants - - Definition Petroleumprodukter och smörjmedel - Metoder för klassificering - Definition av klasser This Swedish standard consists of the English version of the international standard ISO 8681:1986. Swedish Standards corresponding to documents referred to in this Standard are listed in Catalogue of Swedish Standards, annually issued by SIS. The Catalogue lists, with reference number and year of Swedish approval, International and European Standards approved as Swedish Standards as well as other Swedish Standards. Denna standard utgörs av den engelska versionen av den internationella standarden ISO 8681:1986. Motsvarigheten och aktualiteten i svensk standard till de publikationer som omnämns i denna standard framgår av Katalog över svensk standard, som årligen ges ut av SIS. I katalogen redovisas internationella och europeiska standarder som fastställts som svenska standarder och övriga gällande svenska standarder.

3 Petroleum products and lubricants Method of classification Definition of classes 1 Scope and field of This International Standard application classified firstly by type and secondly by end use (see ISO 8216/0). establishes the general classification system which applies to petroleum products, lubricants and related products; defines the classes of petroleum products, lubricants and related products together with their designation. The rules of this classification system to apply to each class of product concerned will be specified in the relevant International Standard. 2 References ISO 6743/0, Lubricants, industrial oils and related products (class L) Classification Part O: General. ISO 8216/0, Petroleum products Fuels (class F) Classification Part O: General, 3 General system of classification Explanation of symbols used 3.1 As far as possible, the criterion selected for the establishment of a classification should be the field of application. This criterion was adopted for lubricants (see I SO 6743/0). In certain circumstances, this criterion may not be appropriate; in such cases, a classification may be based on the type of product. This criterion was adopted for the fuels, which were 3.2 The principle of this classification is based on assigning a prefix letter which characterizes the main classes of petroleum products. In this classification system, products are designated in a uniform manner. The complete designation consists of the initials ISO; the class of the petroleum product or related product, designated by a letter (see the table in clause 4). This prefix letter shall be clearly separated from the other symbols; the category, designated by a group of letters (1 to 4), the first letter of which always identifies the family. Any following letters taken separately may or may not have a significance of their own but will be defined, in each case, in the International Standard giving the detailed classification of the family or category concerned; numbers, which may be added to complete the designation. Their significance will be defined in the relevant International Standard. The code shall be presented in the following general form : ISO CLASS CATEGORY NUMBERS (if any) or in the abbreviated form : CLASS CATEGORY NUMBERS (if any), 1

4 ISO (E) Provläsningsexemplar / Preview 3.3 Examples derived from particular classifications are given below : Example 1: Lubricants Slideways G = family of lubricants for slideways ISO viscosity grade Example 2: Lubricants Refined mineral oils with improved anti-rust and anti-oxidation properties H = family of lubricants for hydraulic systems ISO viscosity grade Example 3: Fuels Low flash point petroleum distillate gas-oil type D = family of distillate fuels Grade designation Example 4: Fuels Residual marine fuel-oil R = family of residual fuel-oils Maximum viscosity (in mm 2 /s) (cst) at 100 C 2

5 ISO (E) 4 General classification of petroleum products and related products 3

Tandvård - Roterande instrument - Mandreller (ISO 13295:1994) Dental rotary instruments - Mandrels (ISO 13295:1994)

Dental rotary instruments - Mandrels (ISO 13295:1994) Tandvård - Roterande instrument - Mandreller (ISO 13295:1994) The European Standard EN ISO 13295:1996 has the status of a Swedish Standard. This document