... Double Studded Adapter in China.Double Studded Adapter is an adaptor flange. It is used for switching API 6A ... are available.Weld overlay is available.Double Studded Adapter Design Standards: ASME B16.5, API 6A, API ... 2, ASME B31.3, ASME B31.8Double Studded Adapter Materials: ASTM A105/A105N, ASTM A350 LF2 CL2 ... RIGHTFor more info and price of Double Studded Adapter, please send us inquiry and you will ...