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   QM - Approvals

Society approval valid until

ABS Certificate of Casting facility and process approval 03.07.2022
BVC Certificate of Manufacturing of steel casting and nodular cast iron acc. ISO 9001:2015 02.05.2019
SLV Ü-Sign unlimited
SLV Qualification acc. DIN EN 15085-2 11.06.2020
SLV Qualification acc. DIN EN ISO 3834-2 03.05.2020
TÜV european pressure equipment directive acc. AD W0 July 2020
TÜV Qualification acc. EN ISO 50001:2011 01.04.2019
BV Recognition for BV Mode II Scheme 14.10.2020
DB Manufacturer-Related Product Qualification for steel castings and nodular iron castings September 2020
DB Manufacturer-Related Product Qualification for nodular iron castings October 2019
DB Q1 Supplier assessment see comment
GL Approval of material manufacturers 30.06.2018
LRS manufacturers approval for steel castings 08.01.2020
LRS manufacturers approval for nodular iron castings 08.01.2020
DNV manufacturers approval for nodular iron castings 30.06.2021
DNV manufacturers approval for steel castings 30.06.2021


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Reinhard Tweer GmbH - Krackser Str. 191, 33689 Bielefeld-Sennestadt - Tel.: +49 5205 / 7501 -0, Fax.: +49 5205 / 7501 -79