Plastic Pipes Temperature Support Spacing

Reference data and engineering information about plastic pipes temperature support spacing for piping systems applications.

plasticpipestemperaturesupport

Overview

Engineering reference data for Plastic Pipes Temperature Support Spacing 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	—

Material Abbreviations

The plastics referenced in the temperature and support spacing data are:

PVDF - PolyVinylidene Fluoride
CPVC - Chlorinated Polyvinyl Chloride
PVC - Polyvinyl Chloride
PP - PolyPropylene

Temperature Conversion

For reference when interpreting the support spacing diagrams, the following formula converts between Celsius and Fahrenheit:

$T_{°F} = (T_{°C} \times \frac{9}{5}) + 32$

The diagrams referenced in the original content specify the maximum allowable distance between supports for the listed plastic pipe materials as a function of operating temperature. These spacing values are critical for preventing sagging or deformation over time. Proper support spacing should also consider the pipe's contents (liquid density), the pipe's outer diameter, and the schedule or wall thickness.

References

Original Source

Source: engineeringtoolbox.com