6
Pipes of metal, protective pipes; Adapters for connecting pipes, of metal, shut-off valves for pipes or water pipes of metal, valves for pipes of metal or plastic, valves and slides, valve blocks of metal, pipe finishers and measuring orifices, all of the aforesaid goods included in class 6
9
Measuring equipment and apparatus, in particular for measuring pressure, absolute pressure, differential pressure, temperature, density, pH value, quantity, in particular flow volume, moisture, force, acceleration, distance, angle, speed, density or level, filling level, flow; Manometers, mano-vacuummeters, barometers, altimeters, thermometers, thermo-hydrometers, hydrometers, pressure sensors, flow meters, pressure gauges (measuring apparatus), measuring transducers (measuring apparatus); Electric measuring transducers with electronic output signals, in particular pressure measuring transducers, differential pressure measuring transducers, level measuring transducers, remote indicators, control and regulating apparatus, flow monitors (checking apparatus), electric relays, electric contactors, switches; Diaphragm pressure switches, temperature switches, differential pressure switches, position regulators; Pressure regulators, Electric and fluidic equipment and apparatus (included in class 9), namely electric supply apparatus, Electrical amplifiers, Electrical circuitry, Electric circuit elements and Recording apparatus; Calibrators and calibration devices, in particular pressure compensators; Electric switches, in particular pressure switches, limit switches, level switches, non-contact magnetic switches, optical, inductive and capacitive switches, electric switches designed as floating switches, operation control instruments or indicators of the presence of metals; Electric switching equipment for level control of liquids on the basis of the electrical conductivity of the liquid concerned; Electric and electronic control apparatus for speed counting, speed control, stop-motion detecting, revolution-safety monitoring, level indication, limit monitoring, phase control, machine control and machine monitoring; Electric and electronic control apparatus, time relays; Temperature controlling apparatus, Temperature regulators for heating and cooling technology; Venturi tubes, Measuring tubes; Solenoid operated valves; Housings for measuring apparatus; Pressure switches of metal
42
Calibration and function testing of measuring apparatus