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Mengupas API RBI dan Perhitungan Remaining Life Peralatan

Sains, Teknologi dan Ekonomi Bisnis    Thursday, May 5, 2022

 Berikut arti simbol-simbol:



Berikut perhitungan Maximum Allowable Working Pressure (MAWP) untuk macam-macam bentuk peralatan dan tipe failure:
  • Bentuk Cylinder Shell (badan tabung tutup datar) dengan 2 failure yaitu: (i) stress melingkar/sambungan longitudinal; (ii) stress longitudinal/sambungan melingkar

  • Bentuk Spherical Shell (badan bundar) atau hemispherical head (bagian atas kubah setengah bundar)

  • Bentuk Elliptical Head (bagian atas kubah ellips)
  • Bentuk Torispherical Head
  • Bentuk Conical Shell (badan kerucut)

Rumus Perhitungan Remaining Life:

Rumus Long-Term (LT) Corrosion Rate
Rumus Short-Term (ST) Corrosion Rate

Contoh Aplikasi Perhitungan:


Referensi:

[1] API 510. (2003). Pressure Vessel Inspection Code: Maintenance Inspection, Rating, Repair, and Alteration

[2] API 570. (2006). Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems

[3] API 580. (2009). Risk-Based Inspection

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