… Taps, cocks, valves and similar appliances for pipes, boiler …
Explanatory notes
… 84.81 ‑ Taps, cocks, valves and similar appliances for pipes, boiler … for oleohydraulic or pneumatic transmissions 8481.30 ‑ Check (nonreturn) valves 8481.40 ‑ Safety or relief valves … a key, wheel, press button, etc.), or by a motor, solenoid, clock movement, etc., or by an automatic device such as a …