api 5000The API 5000 System - 2005 The API 5000 system is launched and is the most sensitive triple quadrupole ever made. It includes innovative QJet technology, the first RF quadrupole usedAPI - ANSI Flange Conversation Chart - Free download as PDF File (.pdf), Text File (.txt) or read on for free. The document is a flange conversion chart that lists: - Nominal pipe size