Fittings for engines and installations, namely filters, strainers, flow indicators, and sight glasses; de-aerators for tanks and pipework; pressure regulating valves as parts of machines; valves as parts of machines and installations, namely overflow valves, vacuum valves, safety valves, bleeding/venting valves, float valves, steam traps, flow indicators, filters/strainers, differential pressure and control valves, flow and float switches, level control valves, cut-off valves, stop valves, non-return valves, back pressure valves, three-way valves for gases and liquids, and pressure reducers; pressure regulators and regulators as machine parts; pressure reducing valves as parts of machines for controlling the pressure of liquids, gases, or steam downstream of the valve

Sight glasses for water conduits; level regulators for tanking containing water, fuel, food, or beverages; filters for gas used for protecting plants, plant components, and equipment against damage and malfunctioning caused by contamination of gases; filters for liquid and steam used for protecting plants, plant components, and equipment against damage and malfunctioning caused by contamination of liquid and steam