D2W 30 and 55 kg hygiene barrier industrial washing machine are ideal for structures coping with large numbers of people. Efficiency, sturdiness and ease of use for high level washing results. With two doors, one for loading and one for unloading, the dirty linen can be loaded in the dedicated dirty linen room and the clean linen can be unloaded from the opposite side in a separate room. The clean side door is programmed to remain locked until the dirty side door is closed and until completion of at least one wash cycle. The dirty side door is programmed to remain locked until the clean side door is closed after unloading operations have been completed. Programming, adding detergent and maintenance take place from the dirty side, to avoid the risk of contamination and maintain a high level of hygiene.