api5000The Api 5000 Flanges are manufactured using carbon steel or alloy steel, and they help to join pipes or block a section of the piping system. Api 10000 instrument flanges is of ring type joint specifically and they are not desnedThe Api 5000 Flanges are manufactured using carbon steel or alloy steel, and they help to join pipes or block a section of the piping system. Api 10000 instrument flanges is of ring type joint specifically and they are not desned