Posted by 1 on September 03, 2000 at 10:22:05:
In Reply to: Re: Re: Small vs large bore posted by Joe S. No.2 on September 03, 2000 at 09:58:57:
at the inside diameter of the inside #1,#2, or #3 valve slides, since often #4 or #5 (rotary) are often larger in diameter than #'s 1-3.