1, DN: 15mm---400mm 2, PN: 16MPa, 25MPa, 40MPa, 64MPa, 150lbs, 300lbs 3, Structure length: ANSI B16.10 4, link size: Flanged, Butt welding, Socket welding, Threaded 5, Main body material: Stainless steel, Carbon steel 6, Sealing surface and Inside valve components material: According to custome