VP Welding proudly offers R Stamp certified welding services for the repair and alteration of pressure vessels, boilers, and related systems. Located in Genoa City, WI, we are authorized and qualified to perform code-compliant work in accordance with the National Board Inspection Code (NBIC) and ASME Section IX. Our specialized certification ensures every weld meets the most rigorous safety and performance standards required by industrial and mechanical systems.

What Is “R Stamp” Welding?

The “R Stamp” certification, issued by the National Board of Boiler and Pressure Vessel Inspectors, authorizes qualified companies to perform repairs and alterations on pressure-retaining items. These include boilers, heat exchangers, pressure vessels, tanks, and piping systems. At VP Welding, our R Stamp authorization represents our commitment to safety, compliance, and technical excellence — allowing us to handle critical repairs that protect both equipment and personnel.

Authorized Pressure Equipment Repairs

Our R Stamp services cover a wide range of pressure systems, whether in plants, factories, or process facilities. We provide on-site and shop-based repair and re-certification services to ensure full operational integrity and regulatory compliance.

• Boiler and heat exchanger repairs
• Pressure vessel modification and reinforcement
• Piping and flange repair or replacement
• Code-compliant rewelding and patching
• Leak detection and remediation
• Full documentation and inspection reports

Code Compliance and Quality Assurance

Every R Stamp repair at VP Welding follows the strict guidelines of the NBIC and ASME codes. We work closely with National Board inspectors to verify the integrity of every weld and ensure complete documentation for your records. Our welders, procedures, and materials are qualified to the latest code editions, ensuring full traceability and peace of mind for our clients.

Certified Welders and Inspectors

Our welding professionals are AWS and ASME Section IX certified and trained in advanced welding processes for pressure systems. They understand the critical role of proper preheating, post-weld heat treatment, and non-destructive testing (NDT) in maintaining vessel safety. Every member of our team operates under a culture of precision, accountability, and compliance.

Industries We Serve

Our R Stamp welding services support a wide range of sectors that rely on pressure-retaining equipment and safe operations. From power generation to food processing, we provide code-compliant repairs and alterations for every industrial environment.

• Power generation and utilities
• Oil, gas, and chemical processing plants
• Food and beverage production facilities
• Pharmaceutical and water treatment systems
• Manufacturing and fabrication plants

Our Repair and Inspection Process

Each R Stamp project begins with a thorough inspection and documentation review. Once the scope is approved, our team performs controlled weld repairs or alterations using certified procedures. We coordinate all inspections, testing, and paperwork required by the National Board, ensuring the final product is safe, compliant, and ready for service.

Commitment to Safety and Integrity

Safety is our highest priority. We maintain strict adherence to OSHA and industry safety standards, implement rigorous pre-job hazard analyses, and conduct all R Stamp work under controlled, documented conditions. Our approach minimizes downtime and ensures complete confidence in every weld we produce.

Why Choose VP Welding for R Stamp Repairs?

• Authorized & Certified: Fully certified by the National Board for R Stamp pressure equipment repairs.
• Code-Compliant Expertise: Strict adherence to ASME, NBIC, and API standards.
• Proven Safety Record: Zero-incident work culture with comprehensive documentation and testing.
• Versatile Capabilities: On-site and in-shop welding for vessels, piping, and high-pressure systems.
• Experienced Team: Skilled welders and inspectors with decades of combined industry experience.

Comprehensive Documentation and Testing

Every R Stamp project includes detailed weld maps, inspection records, and quality reports for your archives. We perform all required non-destructive testing — including radiographic, ultrasonic, dye penetrant, and magnetic particle examinations — to confirm the integrity of repairs. All documentation is submitted and maintained per National Board requirements.

Supporting Preventive Maintenance

Beyond reactive repair work, we partner with clients to develop preventive maintenance plans that extend the life of pressure systems. Routine inspection and early intervention can prevent costly downtime and ensure ongoing compliance with NBIC and insurance standards.

Trusted R Stamp Welding in Wisconsin

Serving clients throughout Wisconsin and the Midwest, VP Welding has earned a reputation for reliability and precision. Our combination of certified personnel, advanced equipment, and documented quality control makes us the trusted choice for pressure system repairs and alterations.