tender for procurement of liquid o2 cylinder ( dura cylinder ) with vapouriser tender for procurement of liquid o2 cylinder ( dura cylinder ) with vapourizer , dura liquid medical oxygen cylinder with trolley ( 1- liquid gross capacity ( litter ) -234 litres 2- liquid useful capacity ( litter ) -222 litres 3- capacity - 210 cubic meter 4- relief valve setting pressure - 24 bar 5- dimensions - 685 x 715 x 1500 mm 6- transportable application- wheel trolley . 7- with warranty 2 years , vaporiser for dura liquid medical oxygen cylinder ( must be suitable for above dura liquid medical oxygen cylinder installation with required accessories for continuous flow of oxygen to maintain required pressure . )