Hello Skumar,

May I suggest that you first use the search function on this board. This is a topic that has been discussed here before with some interesting input from the community. Use "API 610" as the search key words and you will find previous discussions on this topic.

Also you might want to get your company to obtain a copy of theis document:

"Guidelines for the Design and Installation of Pump Piping Systems", by Vincent A. Carucci and James C. Payne – February 2000 (48 pp) (ISBN: 1-58145-456-2) - $85.00

You can find it here:

http://www.forengineers.org/pvrc/wrcpvrcbulletin.htm

Regards, John.