I have a question related to SR valve. My company purchased an ASME class 3 SR valve. Diffusor is a part of valve and on a drawing it is marked as Non Pressure boundary SR part. This part was manufactured in a shop which has a quality system only in accordance with ISO 9001. On this part reparature welding was performed. Valve supplier/manufacturer didn't provide us with documentation from which would indicate that this part is in accordance with 10CFR50 App. B. Valve is designed and manufactured in accordance with ASME section III, ND section and has N stamp. My question is, can valve manufacturer install non pressure boundary SR part which was not manufactured in accordance with 10CFR50 App. B. Should manufacturer perform dedication process?
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