We Specialize in “R” Stamps

- 9:28 am - June 12th, 2026


There are postage stamps and passport stamps, and then there are “R” stamps!

An “R” stamp is a specialized certification issued by the National Board of Boiler and Pressure Vessel Inspectors (NBBI). It authorizes a company or welder to legally repair or alter boilers, pressure vessels, and other pressure-retaining equipment. 

Truck Service of Virginia supports our customers with certified “R” stamp welding repairs on tanks. As an “R” stamp service facility, we are qualified to complete any welding repairs for your fleet—such as fixing cracks, replacing nozzles, and modifying components to ensure the work meets strict safety standards:

  • Certified Weld Repairs: Executing structural repairs on degraded pressure vessels using pre-qualified welding procedures
  • Component Replacement: Welding in new nozzles, manways, and internal components to original or upgraded specifications
  • Alterations: Modifying existing pressure equipment for new operating conditions

Every “R” Stamp weld undergoes rigorous oversight, requiring pre- and post-weld inspections by an Authorized Inspector (AI) and thorough documentation to ensure code compliance. Once the repair is successful and tested, Truck Service of Virginia will physically stamp the equipment with the “R” symbol and our certification number.

No matter whether we are performing “R” stamp service, DOT cargo tank testing, or cab and chassis repair, the professionals at TSVA emphasize safety, reliability, and total compliance with all applicable guidelines. Call us at 804-231-9116 or 800-550-0132 now or contact us to request a quote for your job.

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