Flap traps of metal or of metal combined with plastics material for pipes and pipelines, for reservoirs, containers and vessels as well as for high-pressure pipes and high-pressure apparatus; pressure tanks for liquids and/or gases of metal or of metal combined with plastics material; couplings, transition pieces, pipe joints, pipe connections and pipe junctions of metal or of metal combined with plastics material for liquids and/or gases; pipes and pipelines of metal or of metal combined with plastics material for liquids and gases, in particular high pressure and super pressure pipes and pipelines; containers for fluids and/or gases of metal or of metal combined with plastics material for commercial uses, in particular water reservoirs, tundish vessels and pressure reservoirs

Pumps (included in this class), in particular fluid pumps, piston pumps, multiple chamber pumps, centrifugal pumps, rotary pumps, fluid pumps, high-pressure pumps and super pressure pumps, feed pumps, master pumps, transfer pumps for the delivery of chemical and/or corrosive media, pressure intensifying pumps, high capacity pumps, multi-component pumps, hydraulic pumps, pumps for high-pressure presses, cementing pumps, chromatography pumps, pumps for mining industries, polyurethane pumps; valves being parts of machines in particular shut-off valves, high-pressure valves and super pressure valves, flow control valves, reducing valves, relief valves, float valves, micro valves, mixing valves, pressure control valves, safety valves, double hand valves, micrometer valves, high-temperature valves and low-temperature valves, flap valves, start-stop valves, dual-pressure valves, four-way slide valves, pressure reducing valves, air control valves and return valves; hydraulic machines, hydraulic apparatus and hydraulic devices for mining industries, construction industries, mechanical engineering, shipbuilding industries, chemical industries, aeronautical industries, nuclear engineering and moulding technologies, power engineering as well as for research laboratories; machines, apparatus and industrial devices for the generation of pressures, in particular of high pressures in liquids and gases; hydraulic accumulators; portable high-pressure units, in particular for use at building sites as well as at erection sites; stationary high-pressure units, in particular for driving and controlling machine tools, presses, sluices, sliders, platform lifts and shuttles; hydraulic units; compressors as machines, in particular gas compressors, piston compressors, rotary compressors, membrane compressors, super pressure compressors; generators for super pressure for oil, water, emulsions and other fluids; pressure intensifiers for hydraulic pumps and hydraulic accumulators, for compressorrs, in particular high-pressure compressors, for shock absorbers, for high-pressure tyres, for tools, for machine tools and for presses as well as for experimental stations in which maximally compressed air or maximally compressed gases are required; pressure boosters for liquids and gases; pressure intensifiers for pumps and accumulators, for compressors, in particular for high-pressure compressors, for shock absorbers, for high-pressure tyres, for tools, for machine tools and for presses as well as for experimental stations in which maximally compressed air or maximally compressed gases are required; membranes as parts of machines and mechanical apparatus; stirring devices as parts of machines and mechanical apparatus; mechanically operated tools; mechanically operated pipe machining tools; mechanically operated reaming tools for pipe seats; apparatus and mechanical tools for the artificial ageing of pipe filters; gas compressors for internal gas pressure technologies; fittings for gaseous, liquid and pulverized media, in particular for hydraulic fluids, for compressed air, for solid-liquid mixtures as well as for solid-gas mixtures, in particular for chemical industries, for nuclear engineering and moulding technologies, for energy engineering and for testing bench construction; discharging screws and ball valves for gaseous, liquid and pulverized media, in particular for hydraulic fluids, for compressed air, for solid-liquid mixtures as well as for solid-gas mixtures; all the aforementioned goods in the form of machines or as parts of machines