The venus engineering co. Manufactures hydro extractors. Features of the hydro extractors: the balanced basket in the extractor ensures vibration-free running. It has the capacity to withstand an off-balanced load that is equal to 4.5% to 5% of the rated load. The full diameter top lid is closed and locked quickly by swing bolts. A three-point pendulum is suspended from spherical bearings at the top and bottom ends of the suspension rods. There is a simple lubrications system for the main bearing and clutch pulley. Also an instant single point locking/unlocking system for bag lifting ring, for quick discharge [in bag- lifting type centrifuges]. Accessories available with the hydro extractors: fume tight lid for volatile environment; fluid coupling for inflammable environment; variable-speed drive for bottom discharge centrifuges.