In flowing slurries through 1-in., 1.5-in. and 2-in. lines and with pressures in the 150# ANSI range, are ball valves or plug valves better suited for this application and why? Assume 30 psid pressure drops across the valves.
Have an insight or suggestion?
Login or register to post a comment.
Tom Blackwood Forum Moderator 18 Posts
Re: Ideal slurry valves5 March 2007 at 1:29pmThis is a dozy of a question. For control of the flow of slurries, neither a plug valve or ball valve is a good choice, especially with the high pressure drop expected. The abrasive nature of solids would suggest a pinch valve with a replaceable sleeve. For isolation, a butterfly or a knife valve is best. Both the butterfly and the pinch valves are available in designs for pressures up to about 200 psi.