Tank & Vessel Repair Services – Storage Tank, Pressure Vessel Repair dengan Code Compliance

TANK & VESSEL REPAIR SERVICES

Expert Tank & Pressure Vessel Repair dengan Code Compliance

Layanan repair & rehabilitasi untuk storage tank, pressure vessel, dan process equipment. Dari minor leak repair hingga major reconstruction dengan welding expertise, NDT inspection, dan compliance terhadap standar ASME dan API

Tank & Vessel Repair Capabilities

Witanabe memiliki expertise & equipment untuk menangani berbagai tipe repair dari storage tank hingga high-pressure vessel

Storage Tank Repair

Shell plate replacement, bottom plate repair, roof repair, nozzle repair, leak sealing, corrosion protection

Pressure Vessel Repair

Crack repair, bulge correction, flange facing, heat exchanger tube replacement, pressure testing, recertification

Process Equipment Repair

Reactor repair, mixer tank rehabilitation, jacketed vessel repair, agitator shaft straightening, internal coating

Systematic Repair Procedure

Setiap repair project mengikuti standard procedure untuk ensure structural integrity, safety, dan code compliance

Inspection & Assessment

  • Visual inspection: Identify damage extent, corrosion pattern, structural defects
  • NDT inspection: Ultrasonic thickness test, magnetic particle test, dye penetrant test
  • Damage assessment: Determine root cause, evaluate structural integrity
  • Repair planning: Method statement, material selection, welding procedure
  • Client approval: Scope of work finalization, quotation, timeline

Repair Execution

  • Surface preparation: Cleaning, grinding, blasting untuk proper weld adhesion
  • Welding repair: Qualified welder dengan WPS/PQR approved procedure
  • NDT verification: Radiography, ultrasonic test untuk weld quality
  • Pressure testing: Hydro test atau pneumatic test sesuai code requirement
  • Coating application: Protective coating untuk corrosion protection
  • Documentation: Repair report, test certificates, recertification (if needed)

Welding Expertise & NDT Capabilities

Welding Qualifications

  • Certified welders: ASME Section IX, AWS D1.1, API 1104 certified
  • Welding processes: SMAW, GTAW (TIG), GMAW (MIG), FCAW
  • Materials: Carbon steel, stainless steel, duplex, alloy steel
  • WPS/PQR library: Pre-qualified welding procedures untuk common materials
  • Special processes: Overlay welding, cladding, hard-facing

NDT Inspection Methods

  • Visual Testing (VT): Surface defect detection, weld profile inspection
  • Ultrasonic Testing (UT): Thickness measurement, internal flaw detection
  • Magnetic Particle Testing (MT): Surface crack detection pada ferrous material
  • Dye Penetrant Testing (PT): Surface crack detection pada non-ferrous material
  • Radiographic Testing (RT): Weld internal quality verification (optional/by request)

Common Tank & Vessel Repair Cases

Leak Repair

Pinhole leaks, seam leaks, nozzle leaks, flange leaks – welding repair atau composite wrapping

Corrosion Repair

Plate thinning, pitting corrosion, CUI (corrosion under insulation) – plate replacement/overlay

Crack Repair

Stress corrosion cracking, fatigue cracks, weld cracks – proper repair welding dengan PWHT

Deformation Repair

Dents, bulges, out-of-round shells – heat straightening, mechanical straightening, reinforcement

Code Compliance & Standards

Semua repair work dilakukan sesuai dengan international code & standards untuk ensure safety & regulatory compliance

ASME Section VIII
Pressure vessel repair & alteration

API 653
Tank inspection, repair, alteration, reconstruction

AWS D1.1
Structural welding code – steel

ASME B31.3
Process piping repair & modification

Ada Tank atau Vessel yang Perlu Repair?

Konsultasikan kondisi equipment Anda dengan tim kami. Kami provide inspection service, damage assessment, dan repair quotation.

Phone: +62 857-8096-1572 | Email: repair@witanabe.com

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