CGIS Technical Division

ISO Tank Recertification & Testing

Certified 2.5-year and 5-year statutory inspections for ISO tanks, ensuring compliance with international maritime and transport regulations for hazardous materials.

Global Standards, Local Expertise

ISO Tanks transporting hazardous gases and liquids are subject to strict regulatory frameworks (IMDG, ADR, RID, ASME). Our accredited testing facilities and certified inspectors provide comprehensive periodic testing to keep your fleet safe, compliant, and operational worldwide.

2.5 Year Periodic Inspection

Mandatory intermediate inspection focusing on leakproofness and general structural integrity.

  • Visual external and internal examination
  • Leakproofness testing (Pneumatic)
  • Frame and structural assessment

5 Year Full Recertification

Complete recertification including intensive pressure testing and component overhaul.

  • Hydrostatic pressure testing
  • Thickness measurement (UTM)
  • Full NDT on critical welds

Valve Calibration & Repair

Removal, servicing, and precise calibration of all safety relief and operating valves.

  • PRV (Pressure Relief Valve) bench testing
  • O-ring and gasket replacement
  • Certification of set pressures

Depot Services & Purging

Full-suite depot capabilities to prepare your ISO tanks for maintenance or product changeovers.

  • Nitrogen purging and inerting
  • Internal cleaning and decontamination
  • Decal replacement and exterior cleaning

Book ISO Tank Recertification

Schedule a statutory inspection for your ISO tank fleet.