BS IS0 21360-3:2019 BSl Standards Publication Vacuum technology Standard methods for measuring vacuum pump performance Part 3: Specific parameters for mechanical booster vacuum pumps bsi. BSIS021360-3:2019 BRITISH STANDARD National foreword This British Standard is the UK implementation ofIS0 21360-3:2019 The UK participation in its preparation was entrusted to Technical Committee MCE/8/-/4, Vacuum technology. A list of organizations represented on this committee can be obtained on requesttoitssecretary. This publication does not purport to include all the necessary provisions ofa contract.Users are responsible for its correct application. @ The British Standards Institution 2019 Published by BSI Standards Limited 2019 ISBN9780580932717 ICS23.160 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyandStrategyCommitteeon31January2019. Amendments/corrigendaissuedsincepublication Date Textaffected BS IS0 21360-3:2019 INTERNATIONAL ISO STANDARD 21360-3 First edition 2019-01-23 Licensed copy: University of Sydney , University of Sydney, Version correct as of 05/02/2019 Vacuum technology Standard methods for measuring vacuum pump performance Part 3: Specific parameters for mechanical booster vacuum pumps Technique duvide-Methodes normalisees pour mesurer les performancesdespompesavide Partie3:Parametresspécifiquesauxpompesavide intermédiaires mecaniques Reference number IS021360-3:2019(E) ISO @IS0 2019