Does hardface depositing require notified body approval of procedures and personnel?
The PED does not refer to hardface depositing and it is not included in permanent joining. Notified bodies may require proof that hardface depositing is done to accepted procedures and it is not detrimental to the valve pressure parts. Question BVAMA 7/A BVAMA PED Forum 28th March 2001 Question related to : Annex I, section 4.2 Question asked by : Rob Whitney of Hytork Question : Particular material appraisal (PMA) is an essential requirement of the PED. For category I and II products the PMA is done by the Manufacturer.