... Stainless steelBL(S) LB2500 1Type:Stainless steel flange 2Material:Stainless steel 3.Cert:ISO9001:2008,TUV2010,PED2010 ANSI Stainless steel BL(S ... ) LB25001. Type: WN, SO, SW, LJ, BL, TH, PL,LWN, Orifice Flanges and Non-Standard flanges 2. Material: carbon steel, stainless steel ... and alloy steel flange3. Standard: ANSI, JIS ...