... Plate Wafer Check Valves are with Features as below:Wafer Type Design, Dual Plate or Single Disc, Half Lug or Fully ... Test: API 598, API 6DSize Ranges: 2" to 60"N. B. Pressure Ratings: ANSI 150, 300, 600, 900, 1500, 2500 End ... trim materials available to suit different service conditions Valve for Continuous Casting Machine