Call: 704-786-1700

National Board of Boiler logo

Controls & Instrumentation provides complete Plant safety valve surveys and can schedule quick valve repair work during shutdowns, keeping your Plant safe and in compliance.

VR Stamp Certificate of Authorization Program

The National Board offers the Certificate of Authorization and VR symbol stamp for the repair of pressure relief valves. Requirements are included in the current edition of the National Board Inspection Code (NBIC), Part 3, Section 1 and Supplements 7 and 8.


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SRV Repair 3











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SRV Larged Valve Repaired 5