ANSI B16.5 Class 150 slip-on flange 1.type:WN, SW, SO, BL, RTJ, LJ, THR ... , Rst37.2, Stainless steel ANSI B16.5 Class 150 slip-on flange ANSI flange1.Pressure: Class 150, 300, 600, 900, 1200 ... steel 304/316/ 304L/316L5.Processing technic: Forging6.Packing: Poly- wooden case or Pallet7.Surface treatment: Rust-preventative oil, Black painted ...