api 5000*Tolerances and ring gaskets are according to API 6A. Materials for API 6A Type 6B 5000 psi(34.5 MPa) Weld Neck RTJ Flange, API 6A 6B Weld NeckThe API 5000 LCMSMS System is is one of the most sensitive triple quadrupole mass for complex bioanalytical samples. Desned to deliver the lowest limits of detection for the most demanding DMPK and ADME studies, the API 5000