The difference between concentric and eccentric reducer
Concentric and eccentric reducers are collectively referred to as reducers, used to connect two pipes of different diameters. Their core difference lies in the alignment of geometric centerlines.
Difference comparison
End
|
feature |
concentric reducer |
eccentric reducer |
|
appearance |
Symmetric conical frustum |
A straight "trapezoidal" tube on one side |
|
centerline |
The centers of the two ends are on the same straight line |
Parallel offset of centers at both ends |
|
main purpose |
The preferred choice for vertical pipeline diameter reduction |
The first choice for reducing the diameter of horizontal pipelines |
|
Horizontal installation impact |
A depression is formed at the bottom, which may accumulate fluid or gas |
Bottom flat installation can prevent liquid accumulation; Top flat installation can prevent gas accumulation |
|
fluid resistance |
Small, uniform flow state |
Slightly larger, but can be optimized for proper drainage due to the installation direction |
|
Common application scenarios |
Vertical inlet and outlet of the pump, tower interface, and situations where the pipe diameter is simply changed without discharge requirements |
Horizontal inlet of pump (anti cavitation), steam pipeline, process liquid pipeline, and pipelines that need to be drained |
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