Steel Pipe Expansion Loops
Thermal expansion and steel pipe expansion loops capacities
The expansion loop is a common way to absorb temperature expansion and contraction in steel pipes. Expansion loops can be fabricated from standard pipes and elbows.
| Approximate Expansion Capacity (mm) | |||||
|---|---|---|---|---|---|
| Nominal Pipe Size (mm) | Width of Expansion Loop - w - (m) | ||||
| 0.5 | 1.0 | 1.5 | 2.0 | 2.5 | |
| 25 | 35 | 130 | |||
| 32 | 25 | 100 | 210 | ||
| 40 | 20 | 70 | 150 | ||
| 50 | 65 | 125 | 200 | ||
| 65 | 50 | 100 | 150 | 220 | |
| 80 | 40 | 75 | 125 | 190 | |
| 100 | 35 | 65 | 115 | 150 | |
U-Bends Expansion Compensator Calculator
Metric Units
This calculator can be used to calculate required width and height of an U-bends expansions compensator.
S - Length of expanding pipe (m)
Expansion coefficient (10-6 m/m oC)
Initial temperature (oC)
Final temperature (oC)
Outside diameter of pipe (mm)
Imperial Units
S - Length of expanding pipe (ft)
Expansion coefficient (10-6 in/in oF)
Initial temperature (oF)
Final temperature (oF)
Outside diameter of pipe (in)
Z-Bends Expansion Compensator Calculator
Metric Units
This calculator can be used to calculate required offset in a Z-bends expansions compensator.
S - Length of expanding pipe (m)
Expansion coefficient (10-6 m/m oC)
Initial temperature (oC)
Final temperature (oC)
Outside diameter of pipe (mm)
Imperial Units
S - Length of expanding pipe (ft)
Expansion coefficient (10-6 in/in oF)
Initial temperature (oF)
Final temperature (oF)
Outside diameter of pipe (in)
L-Bends Expansion Compensator Calculator
Metric Units
This calculator can be used to calculate required offset in a Z-bends expansions compensator.
Smax - Length of longest expanding leg (m)
Expansion coefficient (10-6 m/m oC)
Initial temperature (oC)
Final temperature (oC)
Outside diameter of pipe (mm)
Imperial Units
This calculator can be used to calculate required offset in a Z-bends expansions compensator.
Smax - Length of longest expanding leg (ft)
Expansion coefficient (10-6 in/in oF)
Initial temperature (oF)
Final temperature (oF)
Outside diameter of pipe (in)
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