PWHT on Towers in Ahwaz

Accomplished PWHT on two towers in Ahwaz-Iran in Paysaz company. PWHT was done at 2023 February.

  • Tanks Detail:
    • Tower 3001, Dia: 6500mm, Height: 22,000 mm, Maximum Thickness: 105mm
    • Tower 3003, Dia: 8300mm, Height: 30,000 mm, Maximum Thickness: 130mm
    • PWHT Process detail:
      • Average heating rate: 74’C/Hh
      • Holding temperature: 599 ~ 649 ‘C
      • Average cooling rate: 61’C/hr


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