1.Material:Carbon steel 2.Size:DN15-DN600 3.Standard:ANSI DIN UNI JIS 4.Type:WN SO SW PL BL LJ 5.ISO9001 approved American SeriesCLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500European SeriesPN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40,Standard ASME DIN ANSI, JIS, etcMaterialCarbon steelApplications rangePetroleum, chemical, power, gas, metallurgy, shipbuilding, ...