Type : ASTM A182 F91 Flange
Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Dimension :  1/2in to 120in CL150 to CL3000
Feature : Stock regular sizes, Customized forge, design as per ASME VIII.