Design Liquid Piping Systems

Overview

Engineering reference data for Design Liquid Piping Systems in piping systems.

Key Formulas

Continuity

$A_1 v_1 = A_2 v_2$

Mass conservation in pipe flow.

Pressure Drop

$\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}$

Darcy-Weisbach equation.

Pipe Area

$A = \frac{\pi D^2}{4}$

Cross-sectional area of a pipe.

Variables

Symbol	Description	Unit
$D$	Pipe diameter	m
$v$	Flow velocity	m/s
$\Delta P$	Pressure drop	Pa
$f$	Friction factor	—

Key Aspects of Liquid Piping Design

The tutorial addresses these critical areas for liquid process piping systems:

1. Design Strategy: A holistic approach ensuring safety, efficiency, and regulatory compliance throughout the piping lifecycle.
2. General Piping Design: Foundational principles including layout, stress analysis, and hydraulic considerations applicable to all piping types.
3. Specialized Systems: Material-specific design criteria for:
   • Metal piping systems
   • Plastic piping systems
   • Rubber and elastomer piping systems
   • Thermoset piping systems
   • Double containment piping systems
   • Lined piping systems
4. Valves and Ancillary Equipment: Proper selection, sizing, and integration of valves, fittings, and supporting components.
5. Corrosion Protection: Strategies for material selection, coatings, cathodic protection, and corrosion monitoring.
6. Design Examples: Practical case studies illustrating real-world application of design principles.

For detailed specifications and calculations, refer to standards such as ASME B31.

References

• Original Source