Re: Reducer at pump suction

BANI MITRA wrote:
> Piping Handbook, Second edition (Igor J. Karassik, and Others) in Chapter 12,
Installation, Operation and Maintenance suggests that if the source of water is from the top, the flat side of the eccentric reducer will be at the bottom. But if water flows up, from below, the flat side shall be located on the top.
>
> The same reference also suggests that if the change in diameter is more than
4 inches, rather the concentric reducer should be used with proper venting arrangements. In such cases eccentric reducer may lead to flow disturbances.
>
> This practice is generally followed in my company.

Here's some other thoughts on the matter:

http://www.pipingdesign.com/mailarc/0308/5303.html

Paul Received on Thu Feb 21 23:06:00 2008