R-stamp accredited, "S" and "U" certified
The most common welding processes used for boiler repairs are GTAW (TIG) and SMAW (stick). Waco is accredited with the National Board of Boiler and Pressure Vessel Inspectors and is authorized to use the R symbol. We are also authorized to apply the “NB” mark and register boilers, pressure vessels or other pressure retaining items with the National Board.
Waco holds an ASME Certification for the Manufacture and Assembly of Power Boilers (S), and for the Manufacture of Pressure Vessels (U).
Waco has the experienced staff and in-house welding inspectors to perform “Dutchman” type repairs or complete removal and replacement of full length tubes. You can be assured that our job close-out paperwork will provide a complete record of the job and include detailed work procedures, welder qualifications, test reports, material identification and origin, QC documentation, drawings and weld maps.
waco pressure vessel and piping customers
Dominion Power :: WestRock :: NAES :: PWC – Fayetteville :: Cogentrix :: GDF-Suez :: Birchwood Power Facility :: NRG :: Virginia Tech