ANSI NB-23-2001 pdf download Insert Tab “Part RA ” Here
RA-2221 GENERAL Authorization to use the stamp bearing the official National Board Valve Repair symbol as shown in Appendix 2 will be granted by the National Board pursuant to the provisions of the following administrative rules and pro- cedures.
Appendix 7 provides rules for the repair of ASME Section II“NV” stamped pressure relief devices. RA-2222 ISSUANCE OF CERTIFICATE
a. Repair organizations, manufacturers, assemblers or users that make repairs to the American Society of Mechanical Engineers (ASME) Code symbol and The National Board of Boiler and Pressure Vessel Inspectors (National Board) capacity crtified pressure relief valves may apply to the National Board for a Certifcate of Authorization to use the“VR” symbol. The National Board may at any time, through the National Board Inspection Code Committee, modify the regu- lations concerning the issuance and use of such Valve Repair symbol. All such modified regulations shall become binding upon holders of valid Valve Repair Certificates of Authorization.
b. Authorization to use the Valve Repair stamp may be granted or withheld by the National Board in its absolute discretion. If authorization is granted and proper administrative fees paid, a certificate of authorization will be issued evidencing permission to use such a symbol, expiring on the triennial anniversary date. The certificate will be signed by the Chairman of the National Board Board of Trustees, the executive director, or any other duly authorized officer.
c. The certificate shall indicate authorization to repair ASME Section I, II, IV and/or VIII valves, as verified by testing and as covered by the repair organization’s quality system manual. In addition, the cer- tificate shall list the physical, permanent address of record for the certificate holder’s shop/plant. For field-only scopes, this address of record is where adsure Relief Device Certifications publication NB-18, The National Board Inspection Code (NBIC), and the ASME Code section(s) that the organization is including in its scope.
d. It is the responsibility of the valve repair organization to make arrangements for this review. Certificates cannot be issued or renewed until the National Board is in receipt of approval of this review. Wher- ever possible, National Board reviews of valve repair organizations shall be coordinated with ASME reviews, when applicable. e. For field only repair scopes, the review shall encompass both the applicant’s address of record and field repair demonstration site. The demonstration site shall be representative of that typi- cally encountered by the applicant (See RA-2229 (a)).