rate contract for supply and refilling of medical oxygen cylinder, other medical gases cylinders and liquid nitrogen , rate contract for supply & refilling of medical oxygen cylinders & others medical gase cylinders and liquid nitrogen , oxygen (o2) a type cylinder pin index 2, 5 (5 ltr.) should have working pressure at 26o c: 140 kgf/cm2 , oxygen (o2) b type cylinder item description: should have working pressure at 260 c: 140 kgf/cm2 , oxygen (o2) bulk cylinder, d type item description: should have working pressure at 260 c: 140kgf/cm2 , nitrous oxide (n2o) a type cylinder pin index 3, 5 (5 ltr.) item description: minimum: 2.8 kg over and above tare weight of cylinder having 4.6-liter water capacity. , nitrous oxide (n2o) b type cylinder should have working pressure 150 kgf/cm2 , nitrous oxide (n2o) bulk cylinder, d type item description: should have minimum capacity: 16.65 cu. meter equivalent to 28 kg over and above tare weight (51 kg with necking) of cylinder having 46.7-liter water capacity , carbon dioxide (co2) b type should have working pressure of 150 bar gas carrying capacity-b/10 litres purity 99%-100% , carbon dioxide (co2) bulk cylinder, d type item description: should have minimum capacity of 30 kg over and above tare weight (51 kg with necking) of cylinder having 46.7-liter water capacity , liquid nitrogen ir 10 (10.5 litres capacity. empty weight 11/5. full weight 29.8/15.2) , liquid nitrogen in 50 (50 litres capacity empty weight 32.6/14.8 full weight 121.7/63.3 , liquid nitrogen (capacity in 121 ltr.) , liquid nitrogen (capacity in 200 ltr.)