… Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including …
Explanatory notes
… 84.81 ‑ Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including … of a liquid or a gas. The appliances regulate the flow by opening or closing an aperture (e.g., gate, disc, ball, … pipe systems or near the appliances which they serve, to perform the same function on compressed air, steam, water, …