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    BS EN 1401-1

    TetraFlow Plastics Ltd
    7/10 Chandos Street
    London
    W1G 9DQ
    United Kingdom
    BSI logo

    Certificate Number: KM 657235
    Scope: Plastics piping systems for non-pressure underground drainage and sewerage - Unplasticized poly(vinyl chloride)(PVC-U)

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2019-04-29 2025-04-10 2025-04-10 2026-05-31