60°C water, max operating pressure 10 barg → Design P = 11 barg. For CS ASTM A106 Gr B at 60°C, S = 138 MPa. Thickness: t = (11×168.3)/(2×138×1×1 + 0.4×11) ≈ 6.7 mm. Add 1.5 mm CA → 8.2 mm → Schedule 40 (7.11 mm? too low) → Use Schedule 80 (10.97 mm). Flanges: Class 150 suitable (19.6 barg @ 60°C).
If you need help implementing these equations for a specific project, please let me know: The and its operating temperature Your target volumetric flow rate 60°C water, max operating pressure 10 barg →
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