... Medium:Oil,Gas,Mud3, T.C.:-46°C~121°C(L.U)4, M.C.:AA,BB,CC,DD,EE ... wooden caseT/T, L/CWe supply a complete line of API 6A wellhead equipment including casing heads, ... seals, FC type slab gate valves, M type expanding gate valves, R type check valves, DM type mud gate valves ... flanges, adapter spools, spacer spools, and H2 type chokes, etc Inspection Test Pass Before PackingRadiographic TestUltrasonic ...