BSG580S cooker The Beko BSG580S Cooker comes in a modern silver colour. This Cooker has a gas conventional oven / grill oven. The BSG580S main cavity capacity is 55 litres, which means plenty of space to cook for larger families. The flame safety device senses when the flame has been extinguished and automatically cuts off the gas supply preventing a dangerous gas leak. To offer peace of mind the Beko BSG580S free standing Cooker also comes with a 1 year warranty.