VR Certificate of Authorization. The National Board offers the Certificate of Authorization and VR Stamp for the repair of pressure relief valves. Requirements are described in NB-514, Accreditation of Valve Repair Organizations.

The National Board “VR” Certification Program applies to the repair of National Board capacity- certified valves only, which are identified as follows: 2.1 American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code

NBBI administers three accreditation programs for organizations that perform repairs and alterations on pressure equipment (R, VR, NR) and one program for organizations that test pressure relief valves (T/O). Accreditation involves thorough evaluation of an organization’s quality system manual and requires a demonstration of its ability to ...

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Repair organizations holding an active National Board Certificates of Authorization for use of either the R, VR, or NR stamps; and/or Pressure relief valve testing organizations holding an active National Board Certificate of Authorization for use of the T/O Certification Mark.

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is authorized to use the VR Symbol in accordance with the provisions of the National Board Inspection Code and NB-514, Accreditation of "VR " Repair Organizations. The scope ofthis Authorization is limited to: VR Special Processes/Provisions Conversion per Part 4, 4.2 b) Shop and field controlled by above location ASME Symbol Stamp/l)esignator

宁波优景摄影 专注vr摄影3d模型一站式服务 vr全景/倾斜摄影/3d模型/平面摄影/视频制作等

Such activities shall be performed by a National Board Valve Repair (“VR”) Certificate Holder, or the valve shall be replaced. 1.1 Organizations seeking a Certificate of Authorization shall have a written Quality Management System (QMS), in the English language, that complies with the National Board Inspection Code (NBIC) and this procedure.

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