1.Material:Carbon steel 2.Size:DN15-DN600 3.Standard:ANSI DIN UNI JIS 4.Type:WN SO SW PL ... , PN 6, PN 10, PN 16, PN 25, PN 40,Standard ASME DIN ANSI, JIS, etcMaterialCarbon steelApplications rangePetroleum, chemical, power, gas ... the production process are made under the ISO9001strictly. Carbon steeel spectacle blind flange dimension