Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 81 Taps, cocks, valves and similar appliances for pipes, boiler shells... 84 81 90 Parts of valves and similar appliances of 84.81 Commodity Code Description 84 81 90 00 Parts of valves and similar appliances of 84.81 84 81 90 10 Housings for sluice or gate valves with inlet or outlet of an internal diameter excee 84 81 90 21 Bodies, for water taps 84 81 90 22 Bodies, for liquefied petroleum gas (LPG) cylinder valves 84 81 90 23 Bodies, other 84 81 90 29 Other 84 81 90 31 Of copper or copper alloys 84 81 90 39 Other 84 81 90 41 Of copper or copper alloys 84 81 90 49 Other 84 81 90 90 Other