The left picture is a centrifuge bowl, which is the main component for the drilling fluids decanter centrifuge. It is mainly composed of taper cylinder, straight cone, screw propeller(inside) and collection box. All of them are made of Duplex stainless steel, which is high strength and high corrosion resistance.
And the bearings in big end and small end are made of SKF bearing. Especially the screw propeller of GN centrifuge is protected by Tungsten carbide tiles, not traditional protection way-coated with Tungsten alloy on the surface.