Different between concentric and ecentric reducer

Question

Accepted Answer

Concentric reducer has a common center line while eccentric reducer has offset center lines.

Concentric reducer has a symmetrical design with a common center line for both ends.
Eccentric reducer has offset center lines, with one end slightly higher or lower than the other.
Concentric reducers are used when there is a need to maintain the same pressure and flow rate.
Eccentric reducers are used when there is a need to prevent air or gas accumulation in the pipeline.
Examples: Concentric reducer - reducing from 6 inches to 4 inches with a common center line. Eccentric reducer - reducing from 8 inches to 6 inches with offset center lines.

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