The product regognition QSS is a device to prevent the mixing of fuels or other liquids during the filling of a storage or bunker tank from a road tanker.The filling hose safety device ASS monitors the correct connection of the filling hose to such tanks. The FAFNIR QSS/ASS solutions consist of a plug on the tank and a coupling on the road tanker.Proven millions of timesMeasuring principle functions reliably under the most difficult conditionsCompletely maintenance-freeRobust design without moving partsInternationally certifiedIn Belgium, Germany, Austria, Poland, Czech Republic and SwedenVersatileApproved in accordance with ATEX, TRbF 511 and TRbF 512LiquidDiesel / Heating OilPetrolLPGLNGOilVesselUnderground Storage TankOverground Storage TankBulk TankOil SeparatorTank InterstitialTank SumpDouble Walled PipesRoad Tanker