Name: RTJ Blind Flange. Type: Blind Flange. Material: Carbon Steel ASTM A105, ASTM A350 LF1/LF2. Standard: ASME B16.5. Size:1/2-90 Inch. Pressure: CL150, 300, 900, 1500. Packing: Wooden Cases. Delivery: In 3 Days. 100% UT for Each Flange. Original Certificate - FORM A, FORM E Can be Provided. Invoice and Other Docs Certified by Chamber of Commerce or Embassy.