supply of welded empty da gas cyliderwelded empty da gas cylider,new three piece welded empty da gas cylinder - 06 nos. with specification as per is: 7312 (latest version) with water capacity-41 liter , gas capacity- 7 kg (6.3 cum), hydrostatic stretch test pressure-53 kg f /cm2, pneumatic leakage test pressure- 40 kg f /cm2 & maximum working pressure at 15 degree c-16 kg f /cm2 including filling charges of da gas in 06 cylinders at 06 cubic meter per cylinder. make maruti or similar as per technical specification attached. [ warranty period: 30 months after the date of delivery ] ] , new seamless empty oxygen gas cylinder- 12 nos with specification as per is: 7285 part 2 (latest version) having specification with water c apacity- 46.7 liter , gas capacity: 7 cubic meter. & max. working pressure: 150 kgf /cm2 along with refilling of oxygen gas in 12 nos cylinders at rate 06 cub ic meter per cylinder. make rama cylinders, ekc or similar as per technical specification attached. [ warranty period: 30 months after the date of delivery ] ]