Service:Compatible gases, liquids and oils.Wetted Materials:Brass, 302 SS, sintered barium ferrite, polyacetyl.Temperature Limit:200°F (93°C).Pressure Limit:3000 psig (206 bar).Pressure Drop:0 to 5 GPM: 3.2 psid; 0 to 10 GPM: 5.3 psid; 0 to 20 GPM: 10.4 psid.Accuracy:±5% of FS.Size:Diameter dial face 4.5″ (114.3 mm).Process Connections:3/4″ female NPT.Weight:2 lb. 14 oz (1.3 kg).