What is the difference between concentric and eccentric reducer?
The fundamental difference between concentric and eccentric reducer lies in whether their geometric centerlines are consistent.
| Concentric reducer | The center points of both ends are on a straight line. |
| Eccentric reducer | The center point of one end is offset relative to the other end. |
Comparison of core differences
|
feature |
Concentric reducer |
Eccentric reducer |
|
geometric shape |
It has a conical frustum shape, with concentric central axes at both ends. |
It has an eccentric conical frustum shape, with one side of the pipe wall being straight. |
|
centerline |
On a straight line. |
Not on a straight line, offset occurs. |
|
Main applications |
Vertical pipeline. |
Horizontal pipeline. |
Process Overview

Summary
Classic mnemonic:
Vertical pipes are concentric, while horizontal pipes are eccentric; Anti gas top flat, anti blockage bottom flat.

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