Fuel Gasoline Diesel Petrol Delivery Flow Meter Nozzle Refill Gun Dispenser Aluminum Automatic Shut off Nozzle with Flow meter, used to measure the volume flow rate of liquid passing through the pipe. it can be operated normally within the pressure from 0.15Mpa to 0.3Mpa Max Flow Rate: 15.85 GPM Rate Flow Rate: 9.25 Gpm Min Flow Rate: 6.60 GPM Counting Range: 0.1 - 999.9Gallon Inlet Output: 20mm / 25mm Metering Accuracy 1% Max Pressure 0.3Mpa (44 PSI) Refill Head is aprox 24mm dia. Barb fitting is aprox 26.30mm dia Application: Gasoline, Kerosene, Diesel