bids are invited for hydrotesing refilling painting of cylinders refilling and hydrotesting of co2 cylinder 45 kg , refilling and hydrotesting of co2 cylinder 22 point 5 kg , refilling and hydrotesting of co2 cylinders 1 kg to 2 kg , refilling and hydrotesting of co2 cylinders 3point2 kg to 4point5 kg , refilling and hydrotesting of co2 cylinders 6point5 kg to 6point8 kg , refilling and hydrotesting of co2 cylinders 9 kg , refilling and hydrotesting of nitrogen cylinders upto 20 to 68 liter water capacity , pneumatic testing of co2 cylinder valve of 45 kg capacity including providing fixing reconditioning kit , hydrotesting of breathing apparatus cylinders , transportation and packing and forwarding charges per trip note one trip means lifting the material from gail site and delivery of same after refilling at gail site , hydrotesting of fm 200 cylinder , fm200 gas refilling at 360 psi with purity certificate from competent authority , co2 fire extinguisher cylinder valves replacement 1 kg to 22point5 kg material code 9502151753 , co2 fire extinguisher cylinder valve wheel replacement 1 kg to 22point5 kg material code 95021519853 , co2 fire extinguisher cylinder safety valve 1 kg to 22point5 kg material code 9502157513 , co2 fire extinguisher cylinder valves 45 kg material code 9502159501 total quantity : 1982