Head losses in reducers and diffusers

[deasdi]

Kindly help me by providing sources to find the equivalent lenths or head losses for reducers and diffusers. I need this for pipe sizes 6", 8", 10", 12" and above..

Thanks in advance!!

 

[gmorin]

I'm sure this is redundant with about 30 other threads here:

Crane Technical Paper No. 410
Flow of Fluids

http://www.cranevalve.com/tech.htm

Greg