Size: 3/4â-14â Pressure Rating: 1.0 Mpa Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel End: RF, RJT, BW Design & Manufacture Standard: API 599, API 6D Face to Face: ASME B16.10 End Connection: ASNI B16.5 Test Standard: API 598, API 6D OS&Y Bolted bonnet or Welded bonnet Full bore or reduced bore Integral backseat