84 | Reactors nuclear, boilers, equipment and mechanical devices; their parts |
8481 | Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, reducing valves and thermostatically controlled valves |
848180 | Other fixtures for pipes, boiler shells, tanks, vats or the like |
84818063 | Other accessories: gate of steel |
8481806390 | Other valves valves steel |