Has any  member experience of using KVS lined plug valves particularly in desalination applications?Chemical pumps

It is common for suppliers to adverise stuff in their catalogs that they have never made before. Pneumatic and electric diaphragm pumpsThey bury the tooling costs in the first order so the first customer ends up paying for it.  This quick check may help to confirm your thoughts.Sweage pumps &Sludge pumps  Request the assembly drawing for the product for your review.  Check the date on the drawing.  If it was made the same day as you asked, you know the deal.  If they won't show you the drawing, you also know the situation.  Get in touch with the Engineers who made the drawing.Multi-stage pumps  Engineers have a much harder time not telling the truth.

DN600 is a VERY large plug valve.  Durco offers through DN455.  

If you need a lined valve larger than this it mught be time to look at a lined butterfly valve such as the Durco BTSlurry pumps.  

Will you verify your pressure class required? Frog123 mentioned class 600, but I don't see that you mentioned a pressure class in the original post.

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