Flow Optimizer Vaned Eccentric Reducers

Optimized Flow and Air-Free Performance: Eccentric Reducers & Vaned Eccentric Reducers for Pumping Systems

Eccentric reducers are used in pump suction & discharge piping systems to connect two pipes of different diameters. Unlike a concentric reducer which resembles a cone, eccentric reducers have a flat, parallel edge creating an asymmetrical flow condition.

Standard engineering practice use horizontal eccentric reducers with the flat side on the top, to prevent the build-up of air bubbles in the system. The gradual accumulation of air in a concentric reducer could result in a large bubble that could eventually cause the pump to lose prime or cause cavitation.

Key Benefits:

Eccentric Reducers

  • Ensure air does not accumulate in the pipe.
  • Connect pipes of different sizes.
  • Facilitate transition from large diameter suction piping to smaller pump suctions.
  • Prevent air pockets in high points of the pipes which will cause cavitation and damage to the pump.

Vaned Eccentric Reducers

  • All the benefits listed above plus flow conditioning.
    • Eliminate flow separation resulting from an upstream elbow.
    • Pipe flow becomes distributed evenly to ensure uniform flow distribution entering the eye of the impeller.
    • Reduces noise.
    • Helps to eliminate unbalanced loads.

Applications:

  • To be used on all horizontal pumping systems.
  • Recommend mounting the concentric or eccentric reducers at least 5 diameters.
  • Length & vane spacing to be Engineered as “custom” for every size, reduction, & application.

Flow Conditioning Vaned Eccentric Reducers Drawings

flow conditioning vaned eccentric reducers drawings, fig ips jpg
flow conditioning vaned eccentric reducers drawings, fig ips jpg
flow conditioning vaned eccentric reducers drawings, fig ips jpg

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