Underground storage tanks

Manufacturing Process


  • 01. Bending

  • 02. Interior welding

  • 03. Exterior welding

  • 04. Nozzle mounting

  • 05. Hydrostatic inspection

  • 06. Abrasive treatment by shot blasting

  • 07. Application of top coat on exterior

  • 08. Film thickness measurement/ inspection

  • 09. Pin hole inspection

  • 10.Completion

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