NF EN ISO 4263-1

NF EN ISO 4263-1

June 2005
Standard Current

Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids - TOST test - Part 1 : procedure for mineral oils

ISO 4263-1:2003 specifies a method for the determination of the ageing behaviour of rust- and oxidation- inhibited mineral oils having a density less than that of water, used as turbine oils (categories TSA, TGA, TSE, TGE of ISO 6743-5, hydraulic oils (categories HL, HM, HR, HV, HG of ISO 6743-4), and circulating oils (category CKB of ISO 6743-6). Oils containing synthetic components can be tested by this procedure, but no precision statement is available yet for such fluids.This test method is widely used in specifications and is considered of value in comparing the oxidation stability of oils that are prone to contamination with water. However, because of the large number of individual field service applications, the correlation between the results of this test and actual service performance can vary markedly, and is best judged on experience.

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Main informations

Collections

National standards and national normative documents

Publication date

June 2005

Number of pages

25 p.

Reference

NF EN ISO 4263-1

ICS Codes

75.100   Lubricants, industrial oils and related products

Classification index

T60-150-1

Print number

1 - 17/05/2005

International kinship

ISO 4263-1:2003

European kinship

EN ISO 4263-1:2004
Sumary
Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids - TOST test - Part 1 : procedure for mineral oils

ISO 4263-1:2003 specifies a method for the determination of the ageing behaviour of rust- and oxidation- inhibited mineral oils having a density less than that of water, used as turbine oils (categories TSA, TGA, TSE, TGE of ISO 6743-5, hydraulic oils (categories HL, HM, HR, HV, HG of ISO 6743-4), and circulating oils (category CKB of ISO 6743-6). Oils containing synthetic components can be tested by this procedure, but no precision statement is available yet for such fluids.

This test method is widely used in specifications and is considered of value in comparing the oxidation stability of oils that are prone to contamination with water. However, because of the large number of individual field service applications, the correlation between the results of this test and actual service performance can vary markedly, and is best judged on experience.

Replaced standards (1)
NF ISO 4263
December 1999
Standard Cancelled
Petroleum products - Inhibited mineral oils - Determination of oxidation characteristics

Specifies a method for evaluating oxidation stability of inhibited steam-turbine oils in the presence of oxygen, water, and metallic copper and iron at an elevated temperature. The method is also used for testing other oils such as hydraulic oils and circulating oils having a relative density less than that of water and containing rust and oxidation inhibitors. This method is used for specification purposes and is considered of value in evaluating the oxidation stability of lubricants, especially those that are prone to water contamination.

Table of contents
  • Avant-propos
    iv
  • 1 Domaine d'application
    1
  • 2 Références normatives
    2
  • 3 Principe
    2
  • 4 Produits et réactifs
    2
  • 5 Appareillage
    3
  • 6 Échantillonnage
    5
  • 7 Préparation des produits et de l'appareillage
    7
  • 8 Mode opératoire
    8
  • 9 Calculs
    10
  • 10 Expression des résultats
    10
  • 11 Fidélité
    10
  • 12 Rapport d'essai
    11
  • Annexe A (normative) Spécifications pour les thermomètres en verre
    12
  • Annexe B (normative) Mode opératoire pour le conditionnement et la conservation des bobines de catalyseur
    13
  • Annexe C (informative) Méthode de détermination de la teneur en produits insolubles des huiles minérales
    14
  • Annexe D (informative) Cotation visuelle des fils de la bobine de catalyseur
    17
  • Annexe E (informative) Détermination de la teneur en métaux
    18
  • Bibliographie
    19
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