bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - industry unit; as per scope of work; service provider - the case pertains to the pressure testing and refilling of 05 nos co2 cylinders with following work - pressure testing and refilling of 05 nos co2 cylinders of material organization (kochi) - (a) replacement of cylinder valve (b) (t) (h) (k) (m) scope of work description replacement of valve cap/ damage replacement of valve gland nut changing of worn out valve spindle degreasing of cylinder to remove oil rust removal internal drying and cleaning painting and stenciling hydraulic testing purging refilling of cylinder total quantity :