With a capacity of 35 NM3 per hour (equivalent to 5 jumbo cylinders per hour), the plant will contribute to uninterrupted oxygen supply at DDU hospital, which is one of Delhi's crucial Covid care centres. (PTI PHOTO) NEW DELHI: In a major boost to Delhi's fight against Covid-19, the Deen Dayal Upadhyay (DDU) hospital at Hari Nagar has acquired a captive Pressure Swing Absorption (PSA) Oxygen plant ensuring a dedicated oxygen supply for up to 115 beds. With a capacity of 35 NM3 per hour (equivalent to 5 jumbo cylinders per hour), the plant will contribute to uninterrupted oxygen supply at DDU hospital, which is one of Delhi's crucial Covid care centres.