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Shackle Springs
Connection type: spring unit with shackle-style hanging link.
shackle springs are useful where a rod, lug, or eye connection is easier than a flat support plate.
Description
shackle springs combine a spring support point with a shackle connection, so the hanger can connect to rods, lugs, lifting eyes, or other suspended parts. This structure is used on pipe lines and utility systems where the support point sits above the pipe and the line still needs a small amount of vertical movement. The spring carries the load change, while the shackle gives a clear pin connection. A good design should check pin diameter, lug thickness, hole clearance, side gap, spring travel, cold load, hot load, and whether the shackle will pull straight after the pipe is loaded.
Product Parameters
|
Parameter |
Details |
|
Connection form |
Shackle link with spring support body |
|
Load data |
Cold load, hot load, and allowed travel by drawing |
|
Main material |
Carbon steel body with spring steel component |
|
Surface treatment |
Painted, galvanized, or project-specified finish |
|
Used with |
Rod, lug, clamp, eye plate, or pipe hanger assembly |
|
Check points |
Pin size, hole clearance, lug thickness, and vertical alignment |
Connection Details
For shackle springs, pin diameter should match the lug hole so the connection does not shake or jam during pipe movement.
The shackle opening should leave side clearance for the lug, but the gap should not be so wide that the load pulls the spring body sideways.
The spring axis, hanger rod, and pipe load point should stay in one vertical line after the line reaches working load.
FAQ
Q: What makes the shackle side important?
A: For shackle springs, the pin, lug thickness, hole size, and side clearance decide whether the connection is smooth and safe.
Q: Can they be used for hot pipelines?
A: Yes, when the load and vertical travel are calculated from the hot and cold condition.
Q: What information is needed before selection?
A: Pipe load, movement range, hanger height, connection type, and site drawing are needed.
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