Chilled Water Piping

None.

But then, we don't know why you are making a change in the line size.

Maybe you need to explain the situation better.

Nothing except that upstream pipe & down stream pipe are not co-axial

The selection of reducer type (concentric or eccentric) only is important on the suction piping just upstream of a pump

Sres cuando se se necesita menores caudales se emplea

reducciones de diamentros y la seleccion concentrica o exentrisa

para una cañeria Horizontal se usa la excentrica ,para tener igual BOP

esto es debido a que tenemos alineados los soportes

Saludos a todos

Ing Galindo, A

if you fitt eccentric reducers the pipe should be at the top so that the larger pipe will act as a sludge trap for any sediment in the line.

As to the flow rates it will not matter what type of reducer you use.

your goal would be to reduce turbulence prior to admission.....at the pump or valve