tender for supply of dura liquid oxygen cylinder and refilling , 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 8- supplier must provide the medical oxygen liquid refilling at required site . ) , 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 . ) , dura liquid medical oxygen cylinder capacity - 210 cubic meter ( refilling of liquid oxygen cylinder with transport and loading unloading at required site . )