api 5000The API 5000™ system makes it easy for you to get you the answers you need - even if you're just getting into mass spectrometry. From automated methods development to quick, simpleBeware, 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