![]() ![]() The test is to verify the repaired valves meet applicable ASME Code requirements for performance and relieving capacity. An important part of that review will be the witnessing of the repair of several sample pressure relief valves.Īn independent test for operation and capacity of these sample pressure relief valves will be conducted at a National Board-accepted laboratory. Prior to issuance of a National Board VR Certificate of Authorization, the organization and its facilities are subject to a review of its quality system. have available a copy of the Code of Construction appropriate for the intended scope of work.have the current edition of all parts of the NBIC. Organizations have the option of using either a printed version or an electronic version, including a subscription from a National Board licensed reseller, to fulfill this requirement and,.have a written quality system that complies with the requirements of the current edition of the National Board Inspection Code (NBIC) and includes the expected scope of activities,. ![]() NB-550, Application for National Board VR and/or T/O Certificate of Authorization and.Organizations seeking a National Board VR Certificate of Authorization must complete and submit the following: ![]() Requirements are described in NB-514, Accreditation of VR Repair Organizations. The National Board offers the Certificate of Authorization and VR Stamp for the repair of pressure relief valves. ![]()
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