Flow Rate: 4 to 20 GPM Accuracy: ±2% Design Type: Nutating Disc Housing: Aluminum Max Working Pressure: 50 PSI

National-Spencer, Inc. 1514, Mechanical fuel meter 3/4" NPT. Specifications: Unit of Measure: U.S. Gallons; Flow Rate: 4 to 20 GPM; Accuracy: ±2%; Design Type: Nutating Disc; Housing: Aluminum; Max Working Pressure: 50 PSI; Inlet/Outlet: 3/4" NPT; Maximum Batch Total: 999.9; Maximum Cumulative Total: 999,999; Dimensions: 5.5" x 4.5" x 5.5".