BS IS0 6164:2018 Bsl Standards Publication Hydraulic fluid power Four-screw, one- piece square flange connections for use at pressures of 42 MPa, DN 25 to 80 bsi. BSISO6164:2018 BRITISH STANDARD Nationalforeword ThisBritish Standard is theUK implementationof IS06164:2018.It supersedes BS7504:1995, which is withdrawn. The UKparticipation inits preparation was entrustedto Technical CommitteeMCE/18/-/4,Connectorsandassociatedcomponents. Alistoforganizationsrepresented onthiscommitteecanbeobtainedon requestto its secretary. This publication doesnot purportto include all the necessary provisions ofa contract.Users areresponsiblefor its correctapplication. @TheBritishStandards Institution2018 PublishedbyBSIStandardsLimited2018 ISBN9780580912276 ICS23.100.40 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on30 June 2018. Amendments/corrigenda issued since publication Date Text affected BS ISO 6164:2018 ISO INTERNATIONAL STANDARD 6164 Second edition 2018-06-01 Hydraulic fluid power Four- screw, one-piece square flange connections for use at pressures of 42 MPa, DN 25 to 80 Transmissionshydrauliques-Bridesderaccordementcarrées monoblocd quatre vispourdes pressionsd'utilisation de42 MPa, DN25a80 Reference number IS0 6164:2018(E) ISO @ IS0 2018