orifice tap connection size

From: <pipe>
Date: Wed Sep 07 2005 - 04:32:00 EDT

Hi every body

Can anybody tell me why orifice tap block valves need to be ¾" for 900# flange rating and above. And 600# and below need ½" tap WHY?

---

  Yahoo! India Matrimony: Find your partner online. Go to http://yahoo.shaadi.com

[Non-text portions of this message have been removed] Received on Wed Sep 07 04:32:00 2005