Rotary plug valves combine the strengths of globe valves with those of rotary valves: high control accuracy at a competitive price. However, the product portfolios of many manufacturers of rotary plug valves end where the greatest cost advantage could be achieved, which is in large valve sizes used at high pressure ratings.
Have you read this Valve World Americas November 2020 tech talk? Contact Brittani Schroeder (b.schroeder@kci-world.com) for the full PDF.