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Pipe and Tube Thickness BGBataller Instructor 7, ChE Dept CEAT-UPLB.

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Presentation on theme: "Pipe and Tube Thickness BGBataller Instructor 7, ChE Dept CEAT-UPLB."— Presentation transcript:

1 Pipe and Tube Thickness BGBataller Instructor 7, ChE Dept CEAT-UPLB

2 Pipe and Tube Thickness Ferrous Materials Rearranging,

3 Ferrous Material Allowable Stress

4 Pipe and Tube Thickness Allowance

5 Pipe and Tube Thickness Non-Ferrous Materials Limitations:

6 Non-Ferrous Mat’l Allowable Stress

7 Pipe and Tube Thickness Allowance

8 Pipe and Tube Thickness Steam Application Applicable for STEEL or WROUGHT IRON pipe whose NPS ≤ 4 inches

9 Pipe and Tube Thickness Steam Application Applicable for STEEL or WROUGHT IRON pipe whose NPS > 4 inches

10 Pipe and Tube Thickness Oil Application >> use steam application provided that the allowable stress (S) is multiplied by 1.25

11 Pipe and Tube Thickness Cast Iron Pipe >> equation for steam application is also applicable >> Add allowance to the internal pressure

12 Pipe and Tube Thickness Cast Iron Pipe >> Allowable stress (S) and Allowances (C)

13 Pipe and Tube Thickness Plastics – PVC – PE, PB

14 Pipe and Tube Thickness Plastics – Fiberglass

15 Sample Problems Problem 1 Compute for the pipe thickness of a 2 in (actual outside diameter) S-17 seamless steel pipe with a working pressure and temperature of 300 psi and 650 ºF respectively.

16 Sample Problems Problem 2 Calculate the thickness needed of a threaded steam bronze pipe ( for gas application ) with nominal diameter of 3 in and working temperature and pressure of 250 F and 200 psi respectively.


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