flanges Standard : ANSI ,API ,AWWA,DIN,BS ,JIS etc Sizes : 1/2" - 140" Material : Carbon Steel ,Alloy Steel ,Stainless Steel Product : FlangesStandard : ANSI ,API ,AWWA,DIN ,BS,JIS etcMaterial : Carbon Steel ,Alloy Steel ,Stainless Steel etcSize : 1/2" - 140"Type : Flat ,Slip On ,Blind ,Welding Neck ,Threaded ,Lapped ,Orifice ,Figure 8 Blind ,Swivel etc .Surface Treatment : Black Paint ,Oil , ...