Stop valves being safety apparatus for gas apparatus; Stop valves being safety apparatus for water apparatus; Stop valves for regulating gas; Stop valves for regulating water; Level control valves; Level controlling valves in tanks; Level regulating valves (other than parts of machines); Liquid level regulating valves; Mechanisms for controlling fluid level in tanks (valves); Regulating valves (level controlling in tanks); Regulators (valves) for level controlling in tanks; Valves for controlling levels in tanks

Non-return valves of plastic (other than parts of machines); Plastic valves (other than for medical use or being parts of machines); Stop valves of plastic (other than parts of machines, or being regulating or safety apparatus for water and gas); Valves of plastic, other than parts of machines