COMMON SA is a provider of products and services such as signalling - systems and installations,vehicles - telematics,flow meter test benches,flow control systems for seal cooling and lubricating water,flow meter test equipment,water meters,flow meters, steam,flow meters, gas and air,flow meters for cold fluids,flow meters for liquefied gas,flow meters for hot fluids,flow meters for oils and viscous liquids,flow meters for corrosive fluids,flow meters for water,flow meters for liquid fuels,flow meters for powders and bulk solids,flow dividers for liquids,flow control systems, high purity gas,flow meters, cryogenic,flow meters, mass flow,flow meters, microflow, for leaks,flow meters, river measurement,flow meters, effluent,flow meters for small flow rates,flow meters for high temperatures,flow meters for high pressures,flow meters for compressed air,flow meters, food and beverage industry,smart gas meters,water velocity meters,gas meters,meters for gas production plant,meters, volumetric, for petroleum and petrochemical products,compressed air meters,anemometers, hot wire,gas metering correction equipment, temperature, pressure and compression,flow control systems, air to fuel ratio,flow control systems, open channel,flow control systems for cutting oil,flow controllers, steel shot or grit,flow controllers for petroleum,flow maintaining devices, hopper content,flow indicators, fire hose,flow recorders for petroleum refineries,filter blockage indicators, oil pipeline,air flow regulators,feed water regulators, automatic,gas flow regulators,oxygen regulators for oxygen therapy equipment.