Mountings and manual controls made of metal, namely, manually operated valves, check valves, safety valves, couplings, throttles, soldering unions, ball cocks, gas bottle connectors, transition-, angle-, intermediate pieces, double stubs, hose connectors, adapters, and manual globe valves for the control of gases, gas mixtures, gas-liquid mixtures, and liquids; metallic tubes, metallic tube joints, metallic high-pressure tube joints, metallic pipe couplings; and manual metallic valves; metallic seals, detachable metallic hard seals, namely, seal-less tube joints for metallic or non-metallic tube connections

MACHINES FOR GAS SEGREGATION FOR THE SEPARATION OF GASES, PURIFYING FACILITIES FOR GASES, GAS MIXTURES, GAS LIQUID MIXTURES AND LIQUIDS FOR THE SEPARATION OF COMPOUNDS OF GASES WITH OTHER COMPOUNDS OR THE COMPOUNDS OF SINGLE GASES BY HEATING AND CONDENSING, NAMELY, FILTERS FOR MACHINES FOR PROCESSING AND PURIFYING GASES, DRY FILTERS, PARTICLE FILTERS, PRELIMINARY FILTERS, AND CHANNEL FILTERS; MACHINES FOR CHANGING AND CONTROLLING COMPOUNDS OF GASES AND THE GAS PRESSURE, MACHINES FOR SUCTIONING AND STORING GASES; ACCELERATORS, NAMELY, GAS CENTRIFUGES OR CYCLONE SEPARATORS; COMPRESSORS, AND PARTS THEREFOR, ALL FOR THE GAS ENGINEERING FIELD

Gas measuring instruments to measure gas pressure, gas flows, gas compounds and decomposition products, dew points, proportions of a gas mixture, gases in gas mixtures; gas analyzers; gas mixture and gas leak detectors, namely, warning instruments and systems comprising a universal housing, a mains plug with wire, an alarm plug, a reserve fuse, a silicone hose with suction dust filter and a gauge head with electronic component to control the surrounding air for high concentrations and/or the loss of gas pressure; condensers; automatic metallic valves; solenoid valves; electronic controls for the aforementioned goods; computer programs for controlling and organizing automatic sequences of operations for use in the gas engineering field; gas insulated current conductors, and gas insulated high-voltage lines, electronic automatic filling controllers for gas devices, installations and systems for monitoring and/or controlling the filling level of gas or cooled, liquefied gas in containers

GAS EVAPORATORS PURIFICATION AND TREATMENT UNITS; GAS DRYERS FOR THE SEPARATION OF GASES AND MOISTURE; VESSELS FOR GAS, NAMELY, PRESSURE CONTAINERS; GAS HANDLING DEVICES, NAMELY MOBILE OR STATIONARY UNITS FOR SUCTIONING, DRYING, EVACUATING, FLOODING, OR INFLATING SPACES WHICH ARE, OR ARE CAPABLE OF BEING FILLED WITH GAS; AND GAS AND LIQUID HEATING AND COOLING UNITS, AND PARTS THEREFOR

NON-METALLIC SEALS, NON-METALLIC TUBES, NON-METALLIC TUBE JOINTS, NON-METALLIC HIGH-PRESSURE TUBE JOINTS, NON-METALLIC PIPE COUPLINGS, NON-METALLIC VALVES, FOR USE IN CONNECTION WITH CONDUCTING, TRANSPORTING, TREATING, AND PURIFYING GASES, GAS MIXTURES, GAS-LIQUID MIXTURES AND LIQUIDS