... Water, Steam, Oil, Acid, etcWide sizes: 1/2''-20'' or largerMany materilas:Cast Steel/Stainless Steel, WCB, WCC, ... ends, screwed endsControl valve technical parameters: DN(mm)20253240506580100125150200250300350400Seat size(mm)20253240506580100125150200250300350400Rated KVLinear6.91117.627.544691101762754406301000160021562816Equal percentage6.31016254063100160250400690900144019602560Nominal Pressure( ...