DIN 2527 BLIND FLANGE PN6,PN10,PN25,PN40,PN64,PN100 DN10-DN1000 Material: A105, Q235, SS 316,314,304,306 . Standard:(forged flange)DIN2. Type:BLIND FLANGE3. Size:DN10-DN10004. Material: A105, Q235, 16Mn Stainless Steel: F304 F304L F316 F316L 316Ti5. Surface TreatmentAnti-rust Oil, Transparent/Yellow/Black Anti-rust Paint,Zinc,Hot dipped Galvanized.6. Inspection:factory in-house self check or ...