Mechanical Flowmeter Product Type Mechanical Flowmeter Accuracy +/-1 Percent Connection Size 3/4 in Connection Type FNPT Compatible Flow Material Diesel Gasoline Oils Media Temperature - Maximum 150 Degrees F Media Temperature - Minimum -10 Degrees F Viscosity - Maximum 9 088 SUS Housing Material Aluminum O-Ring Material Viton Seal Material Viton Wetted Material Aluminum PBT Stainless Steel Viton Display Type Mechanical Flow Rate - Maximum 20 gpm Flow Rate - Minimum 4 gpm