API 6A Type 6B 5000 psi(34.5 MPa) Weld Neck RTJ Flange

api5000API has specified weld necks for many 6BX flanges, and not done so for many others, but API has provided the basis for determining the dimensions of a 6BX integral flange that the manufacturer may attach to aSpecialized API 6A Flanges Manufacturer, API 6A 6B And 6BX Flanges, American Petroleum Institute Standards. We are exporting Api 6a Flanges, API Adapter Flanges,