… Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including …
Explanatory notes
… ‑ Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including … means of a key, wheel, press button, etc.), or by a motor, solenoid, clock movement, etc., or by an automatic device … also mounted at the outlets of pressure containers, of boilers, on connecting feed pipe systems or near the …