Official Certifications

ASME Code-Stamped. Certified.

Vanguard Steam & Piping maintains active ASME S, U, and PP code authorization stamps, ensuring every high-pressure steam loop and boiler installation meets strict federal and state regulatory requirements. Verifiable weld integrity for zero field re-works.

Authorization Stamps

Verified Code Compliance

Our active authorization stamps represent third-party verification of our quality control system and manufacturing capabilities for pressure vessels and piping.

ASME S-Stamp

ASME U-Stamp

ASME PP-Stamp

Power Boilers. Fabrication and assembly of power boilers and boiler parts. Registered with the National Board of Boiler and Pressure Vessel Inspectors.

Pressure Vessels. Manufacture of pressure vessels. Adherence to Section VIII, Division 1 of the ASME Boiler and Pressure Vessel Code.

Pressure Piping. Fabrication and assembly of pressure piping. Certified for both shop and field installations under B31.1 Power Piping Code.

Uncompromising Standards

Every Welder ASME Section IX Certified. Every Weld Third-Party Inspected.

Our field teams are rigorously qualified to ASME Section IX standards for TIG and SMAW processes. All critical welds undergo Certified Welding Inspector (CWI) examination and non-destructive testing (NDT) to guarantee integrity and performance.

Compliance Stages

Rigorous Verification Process

Material Origin Tracing

NDT Weld Examination

Hydrostatic Sign-off

Full heat-number traceability for all pressure-retaining components. Material Test Reports (MTRs) verified against purchase orders and specifications.

Non-destructive testing (NDT) including radiographic, ultrasonic, magnetic particle, and liquid penetrant inspections performed by certified personnel.

Final hydrostatic and pneumatic pressure testing witnessed by client representatives and authorized inspectors, ensuring system integrity beyond operational loads.

Request Quality Manual

Verify Our Credentials. Request the Full QC Manual.

Access our comprehensive Quality Control Manual (QCM) detailing procedures, welder qualifications, and project safety records. Complete documentation for your compliance needs.