ANSI Alloy steel BL(S) LB2500 1Type:Alloy steel flange 2.Material: Alloy steel 3. ... Cert:ISO9001:2008,TUV2010, PED2010 ANSI Alloy steel BL(S) LB25001. Type: WN, SO, SW, LJ, BL, TH, PL,LWN ... to DN2000 5. Pressure: PN6-1606. Marking: According to client’s Requirement7. Painting: yellow varnish, black paint. Rust oil and Zn8 ...