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    EN 331:1998 + A1:2010

    Aalberts Integrated Piping Systems Ltd
    Belmont Works
    St Catherines Avenue
    Doncaster
    DN4 8DF
    United Kingdom
    BSI logo

    Certificate Number: CPR 782463
    Scope: EN 331:1998+A1:2010 Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2023-02-10 2023-02-10