Twin Wire Arc, Inc. holds certification No. R-5685 of the NBIC to repair or alter ASME Section VIII. Div. 1, Pressure Vessels and Section 1, Power Boilers, B31.1 and B31.3 Piping.
Weld Overlay Repairs
Inlet Nozzle of Batch Digester, Stainless Steel overlay was repaired along with the cavities found in pressure retaining shell behind all the holes seen in the weld.
Repair and Replacement of Wasted Areas
Batch Digester; These wasted sections of the cone were hidden by a layer of weld overlay. Twin Wire Arc, Inc. inspection team routinely identifies such problem areas for ASME repairs.
Erosion, Currosion, and Stress corrosion cracking are common in digesters. Twin Wire Arc, Inc. is a qualified agency that repairs and replaces wasted sections. Cones, heads and nozzle attachments are installed in accordance to the NBIC. Ask about our special alloy replacements.