… Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the …
Explanatory notes
… 84.81 ‑ Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the … an aperture (e.g., gate, disc, ball, plug, needle or diaphragm). They may be operated by hand (by means of a key, … valve, etc., and provided the combined apparatus has the essential character of an article of this heading. If not …