Additives Various liquids designed to enhance or change the properties of the bulk liquid such as fuels, greases, and oils. These additive liquids include antioxidants, rust inhibitors, anti-wear agents and viscosity modifiers. SG Ductile iron Compact installation Capacities to 190 GPM 4127C 316 stainless steel Abrasive resistant sealing options Hardened material options Capacities to 320 GPM