BSIS06521-3:2019 BSl Standards Publication Lubricants, industrial oils and related products (Class L) - Family D (compressors) Part 3: Specifications of categories DRA, DRB, DRC, DRD, DRE, DRF and DRG (lubricants for refrigerating compressors) bsi. BSISO6521-3:2019 BRITISH STANDARD Nationalforeword This British Standard is the UK implementation of IS0 6521-3:2019 The UK participation in its preparation was entrusted to Technical Committee PTI/2, Liquid Fuels. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. TheBritish Standards Institution2019 Published by BSI Standards Limited 2019 ISBN9780539004342 ICS75.100 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31October2019. Amendments/corrigendaissuedsincepublication Date Textaffected BSIS06521-3:2019 INTERNATIONAL ISO STANDARD 6521-3 First edition 2019-09-30 Lubricants, industrial oils and related products (Class L) - Family D (compressors) Part 3: Specifications of categories DRA, DRB, DRC, DRD, DRE, DRF and DRG (lubricants for refrigerating compressors) Lubrifiants, huiles industrielles et produits connexes (classe L)- FamilleD (compresseurs)- Partie3:Specifications pour les categoriesDRA,DRB,DRC,DRD,DRE DRFetDRG (lubrifiantspourcompresseursfrigorifiques) Reference number ISO 6521-3:2019(E) ISO @IS0 2019