![]() The unique proprietary oiling system, where the oil is distributed directly to the timing gears by means of a disc, eliminates oil loss at high rotor speeds and will lubricate the timing gears at very low loads. In order to be prepared for the “smart grid”, the index can also be equipped with an intelligent encoder. ![]() Tampering of meters with strong neodymium magnets is one of the major concerns of utility companies, as this kind of manipulation is very difficult to detect or prove. The aluminum index and the protection of the LF pulsers with the associated magnets, make the meter less sensitive for manipulation by externally applied magnets or other external forces. The square impellers and the improved position of the main bearings and shafts, make the meter less sensitive to overload and pressure shocks. ![]() The aluminium casing of the FMR (body and front plate) is designed for working pressures up to 20 barg with a safety factor of 4. A significant amount of misalignment of the connecting piping/flanges can be tolerated by the meter without affecting the meter performance by jamming the impellers. The robust design of the casing and the cartridge make the meter less sensitive to installation stresses caused by the connecting piping. The compact exchangeable aluminium cartridge allows local repair and on-site cleaning. The meters are MID approved and fully comply with EN12480 and OIML R137. The FMG series of rotary gas meters are designed to meet the highest demands of reliable and accurate measurement of gas flow.
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