Pipe and Tube Thickness

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

description

Pipe and Tube Thickness. BGBataller Instructor 7, ChE Dept CEAT-UPLB. Pipe and Tube Thickness. Ferrous Materials. Rearranging, . Ferrous Material Allowable Stress. Pipe and Tube Thickness. Allowance. Pipe and Tube Thickness. Non-Ferrous Materials. Limitations:. - PowerPoint PPT Presentation

Transcript of Pipe and Tube Thickness

Page 1: Pipe and Tube Thickness

Pipe and Tube Thickness

BGBatallerInstructor 7, ChE Dept

CEAT-UPLB

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Pipe and Tube Thickness• Ferrous Materials

Rearranging,

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Ferrous Material Allowable Stress

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Pipe and Tube Thickness

• Allowance

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Pipe and Tube Thickness

• Non-Ferrous Materials

Limitations:

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Non-Ferrous Mat’l Allowable Stress

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Pipe and Tube Thickness

• Allowance

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Pipe and Tube Thickness• Steam Application

Applicable for STEEL or WROUGHT IRON pipe whose NPS ≤ 4 inches

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Pipe and Tube Thickness• Steam Application

Applicable for STEEL or WROUGHT IRON pipe whose NPS > 4 inches

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Pipe and Tube Thickness

• Oil Application

>> use steam application provided that the allowable stress (S) is multiplied by

1.25

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Pipe and Tube Thickness

• Cast Iron Pipe>> equation for steam application is also

applicable>> Add allowance to the internal pressure

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Pipe and Tube Thickness

• Cast Iron Pipe>> Allowable stress (S) and Allowances (C)

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Pipe and Tube Thickness

• Plastics– PVC

– PE, PB

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Pipe and Tube Thickness

• Plastics– Fiberglass

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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.

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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.