DeLonghi Rivelia automatic coffee maker - Black - EXAM440.55.BDeLonghi Rivelia EXAM440. 55. B The DeLonghi Rivelia is a fully automatic, bean to cup coffee machine designed for those who value variety, precision, and ease of use. With a sleek, compact design and advanced brewing features, it offers a barista level experience right at home. Key Specifications: Pump Pressure: 19 bar for rich, aromatic espresso. Water Tank Capacity: 1. 4 liters. Bean Container Capacity: 250g (with option for pre ground coffee).