supply of refilling of nitrogen gas cylinder-capacity 50l, 200 bar +/-10%, scope of workk- refilling of nitrogen cylinder as per rdso specification no rdso/2013/cg-06(rev-3) or latest with fire rated valve duly certified by peso. refilled cylinder with valves will be provided and empty nitrogen cylinder with fire rate valve will be taken back. ( inclusive of to & fro transportation cost of nitrogen cylinder ) for automatic fire detection and supression system of jk eximrefilling of nitrogen gas cylinder-capacity 50l, 200 bar +/-10%, scope of workk- refilling of nitrogen cylinder as per rdso specification no rdso/2013/cg-06(rev-3) or latest with fire rated valve duly certified by peso. refilled cylinder with valves will be provided and empty nitrogen cylinder with fire rate valve will be taken back. ( inclusive of to & fro transportation cost of nitrogen cylinder ) for automatic fire detection and supression system of jk exim,refilling of nitrogen gas cylinder-capacity 50l, 200 bar +/-10%, scope of workk- refilling of nitrogen cylinder as per rdso specification no rdso/2013/cg-06(rev-3) or latest with fire rated valve duly certified by peso. refilled cylinder with valves will be provided and empty nitrogen cylinder with fire rate v alve will be taken back. ( inclusive of to & fro transportation cost of nitrogen cylinder ) for automatic fire d etection and supression system of jk exim [ warranty period: 30 months after the date of delivery ] ]