ANSI B16.5 Class 150 slip-on flange 1.type:WN, SW, SO, BL, RTJ, LJ, THR 2.Material: A105, Rst37. ... 2, Stainless steel ANSI B16.5 Class 150 slip ... , 900, 1200, 1500, 25002.Size: DN15 – DN12003.Type: WN, SW, SO, BL, RTJ, LJ, THR4.Material: A105, Rst37.2, Stainless ... treatment: Rust-preventative oil, Black painted ANSI B16.5 Class 150 slip-on flange