Sealing type SO WN PL TH SW Standard: ASME, ANSI, API, ... ,F316,F316L,F316H,F317,F317L,F347H,F310S,F310H,F321,F321HSuperaustenitic stainless steel:S31254Duplex stainless steel:S31500,S31803(2205),S32304,S32205,S32760,S32750,HDRCopper Nickel ... Alloy:B10,B30Special steel:N06600,N08800,N08811,Titanium alloy, Alloy steel etc. ...