This kind of flexible wedge gate valves are made form Gray iron(HT200) or Spheroidal graphite cast iron, which is idea on the pipelines for water, sewage, city water, steam, oil, gas,etc.
Product Name: Floating Ball Nominal Diameter: 1/2” - 12” Pressure Rating: Class 150~2500
Product Name: Floating Ball Valve Seat Nominal Diameter: 1/2” - 12” Pressure Rating: Class 150~2500