api 5000API 5000 LCMSMS system combines all the features of the API 4000 LCMSMS system with the additional benefits of improved sensitivityBeware, some suppliers and manufacturers supply normal A105N 36K material flanges stamped as 3,000 or 5,000, these interconnect with API sizes (example a 2 ANSI A105 1500 class flange rated at 3,700 psi CWP is the same as