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Metal valves not being parts of machines, and controls being structural parts of metal valves not being parts of machines; Water-pipe valves of metal

[ Valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines, and controls being structural parts of valves for controlling and regulating the flow of gases or liquids not being parts of plumbing, heating, cooling installations or machines ]

Controls being structural parts of valves that regulate the flow of water or gas, namely, controls being structural parts of valves that regulate pressure and flow for water installations, controls being structural parts of thermostatic valves that control flow and are part of heating installations [, controls being structural parts of valves that control flow that are part of radiators, controls being structural parts of valves as part of radiators, controls being structural parts of valves that control flow and that are part of air conditioners, and controls being structural parts of valves as part of air conditioners ]