LWN flange 1.High quality with CNC lathe machine 2.Size: 1/2" to 60" 150lbs~3000lbs 3.Material:SS304,F316 LWN flange StandardGB , ASME, ANSI, API, UNI, JIS, DIN, BS GB/T9112-9124, HJ20592-20635, SH3406, ANSIB16.5 ,JISB2220.Material304, 304L, 316, 316L, 430, 410 ectStyle of sealing face:(RF),(FF),(MFM),(LG),(RG).Pressure class Mpa: 0.25--50 304 LWN flange