Nozzle Size : 11.75 in ASME Section VIII Index L-7.2 Example 2 LATERInputs InputsUG-45 b(1) for Internal Pressure UG-45 b(2) for External Pressure

Internal Design Pressure P 400.00 psi External Design Pressure P 15.00 psiDiameter of Shell/Head D 60.00 in Diameter of Shell/Head D 60.00 inDesign Temperature Temp 250.00 F Design Temperature Temp 250.00 FAllowable Stress of Shell S 14300.00 psi Allowable Stress of Shell S 14300.00 psiJoint Efficiency E 1.00 Joint Efficiency E 1.00Corrosion Allowance CA 0.00 in Corrosion Allowance CA 0.00 in

Formula used Formula used

Result ResultThickness t 0.8535 in Thickness t 0.0315 in

Inputs InputsUG-16(b) UG-45 b(4)

Minimum thickness t 1/16 in Standard Wall Thk of pipe t 9.57 mmMinimum thickness t 1.59 mm Minimum thickness t 8.3738 mmCorrosion Allowance CA 3.00 mm Corrosion Allowance CA 0.00 mm

Result Thickness t 4.5875 mm Result Thickness t 8.3738 mmThickness t 0.1806 in Thickness t 0.3297 in

THICKNESS OF NOZZLE AS PER UG-45

)6.0(2 PSEPDt−

= )6.0(2 PSEPDt−

=

Thickness t 0.1806 in Thickness t 0.3297 in

Final Result InputsUG-45 a for Internal Pressure

Step 1: Max ( UG 45b(1) , UG 16b) t 0.8535 mmInternal Design Pressure P 400.00 psi

Step 2: Max ( UG 45b(2) , UG 16b) t 0.1806 mm Diameter of Pipe D 11.75 inDesign Temperature Temp 250.00 F

Step 3: Max ( Step1 , Step 2) t 0.8535 mm Allowable Stress S 16600.00 psiJoint Efficiency E 1.00

Step 4: Min ( Step3 , UG-45 b(4)) t 0.3297 mm Corrosion Allowance CA 0.00 in

Step 5: Max ( Step4 , UG-45 (a)) t 0.3297 mm Formula used

Resultt 0.3297 mm Thickness t 0.14 in

Actual Thickness of Pipe = Pipe Schedule Thickness x 0.875 (12.5% Undertolerance )

Actual Thickness of Pipe should be greater than Minimum Required Thickness

Min Required thickness of Nozzle

Sch

)6.0(2 PSEPDt−

=