Page 19 - Basic Principles Of Grooved Mechanical Joints

THERMAL MOVEMENT

All pipe expands and contracts due to changes
in temperature. Failure to properly accommodate
thermal expansion and contraction can lead
to catastrophic damage to the piping system
and / or equipment.

There are three common methods used to
accommodate thermal movement of a
piping system:

• Provide an expansion joint such as an
expansion loop or a mover device

• Allow system to free float, utilizing changes
in direction and anchor / guides
• Utilize the linear movement / deflection
capabilities of flexible couplings

Thermal Contraction Thermal Expansion
Pipeline Shrinks – Loop Expands Pipeline Grows Into Loop – Loop Contracts

victaulic.com 15 VU-GUIDE-9017-E-ENG-US 9590 REV C