Industrial 18493 A26221 GGG403 Annular Casing

The No Name Pump Annular Casing is a GGG40.3 ductile iron volute/annular pump housing designed to contain the impeller and direct fluid flow in centrifugal and process pumps. It features DIN 2501 PN16 flanged connections for integration into European-standard piping systems and measures 355 × 340 × 140 mm in a horizontal mounting configuration. This replaceable pump housing offers moderate corrosion resistance and is suitable for water, coolants, process fluids, and light chemicals. It carries manufacturer part number 18493 with alternate part number A26221, and is commonly listed as OEM 18493 Pump Casing or A26221 Annular Pump Housing. As an OEM/legacy replacement component, it is used in water treatment plants, chemical processing facilities, industrial circulation systems, and manufacturing equipment requiring durable pressure containment and efficient hydraulic performance.