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... Commodity Code Description 84 81 10 Pressure-reducing valves 84 81 20 Valves for oleohydraulic or pneumatic transmissions 84 81 30 Check (nonreturn) valves 84 81 40 Safety or relief valves 84 81 80 Other appliances 84 81 90 Parts
