Product name:GOST12820-80 FLANGE Pressure: PN6, PN10, PN16, PN25 Size: DN10 - DN1600 Type: Plain with raised face Material: CT20, 16MN, Stainless steel 304/321/316/316L Processing technic: Forging or Casting Surface treatment: Rust-preventative oil Packing: Poly-wooden case or Pallet