tender for procurement of gas acetylene - 1000 nos , gas oxygen, in 7.0 cu.m.cylinders, as per safety norms, it is mandatory to supply all the cylinders with their valve caps. conversion factor : per cyl 7 cu.m = 1000 x 6 = 7000 cu.m article code : 87-0-55090 , other charges if required , cylinders will be returned within 30 days from the date of receipt. from 01st day to 30th day rental free. , from 31st day rental , cylinder replacement cost: , replacement cost of valve , replacement cost of gland nut , replacement cost of spindle , charges for removing and replacing broken spindle , charges for clearing cylinders received with oil , painting , charges for totally damaged/ unusable /loss of cylinder