DOI: https://doi.org/10.14710/jpii.2026.32318

Pengujian Hidrostatik untuk Menguji Kebocoran pada Jaringan Pipa Penyalur Gas di PT. Roda Pasifik Mandiri

*Taufik Bimo Satriyo Pambudi  -  Program Studi Program Profesi Insinyur Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Jaka Windarta  -  Program Studi Program Profesi Insinyur Fakultas Teknik, Universitas Diponegoro, Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275, Indonesia
Received: 3 Mar 2026; Revised: 31 Mar 2026; Accepted: 10 Apr 2026; Available online: 13 Apr 2026; Published: 8 Sep 2026.

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Abstract

Integritas sistem perpipaan gas merupakan aspek kritis dalam industri perminyakan dan gas bumi yang berkaitan langsung dengan keselamatan operasional dan pencegahan kebocoran. Penelitian ini bertujuan untuk menganalisis efektivitas pengujian hidrostatik dalam mendeteksi kebocoran pada jaringan pipa penyalur gas berdiameter 4 inci sepanjang 424,5 meter di PT. Roda Pasifik Mandiri, Kawasan Industri Kaligawe, Semarang. Pengujian dilaksanakan pada November 2025 menggunakan metode hidrostatik sesuai standar ASME B31.8 dengan tekanan uji 1200 psig (1,67 kali tekanan desain 720 psig). Prosedur pengujian mencakup tahap pembersihan pipa, pengisian air, penaikan tekanan bertahap, stabilisasi dan penahanan tekanan selama 25 jam 15 menit. Hasil pengujian menunjukkan penurunan tekanan sebesar 1,5 psig (0,12% dari test pressure) dengan perubahan temperatur dari 27°C menjadi 32°C. Nilai pressure drop yang diperoleh masih berada di bawah batas maksimum yang diizinkan yaitu 0,2% atau 2,4 psig, mengindikasikan tidak adanya kebocoran signifikan pada sistem perpipaan. Analisis menunjukkan bahwa penurunan tekanan terutama disebabkan oleh thermal contraction akibat stabilisasi temperatur dengan lingkungan dan elastic deformation material pipa. Sistem perpipaan dinyatakan lolos uji dan memenuhi persyaratan keselamatan operasional untuk digunakan dalam distribusi gas dengan tekanan kerja 720 psig.

 

Kata kunci: hidrostatik, integritas pipa, pressure test, ASME B31.8, kebocoran pipa

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Section: Laporan Studi Kasus
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