The volumetric self-priming close coupled pump, range VMA has been designed to load-unload basins, tank-trucks, tanks where is no possible the flooded installations. Reversible and easy to handle, the VMA pumps can prime from negative suction head of max 4 meters without the necessity to feel the priming chamber the first time. Easy to handle, the pumps of this range have strong construction, produced in their components with high thickness to give a product with the maximum reliability.