supply of water cooled skids for over head conveyor. , water cooled skids for over head conveyor of draw furnace as per rwf drg n o 722210510470. (quantity 1 set of 12 nos as per drawing). note: 1.the welding must be leak-proof & should be certified. 2.the square tube shall be tested for leakage at a pressure of 10 kg/sq. cm. welding of end caps & pressure testing should be done in the presence of an rwf representative. 3. all weld joints s hall be continuous 5-fillet welds unless otherwise specified. 4. square tubes shall be seamless hollow sectio ns, and each tube shall be a single continuous piece without any weld joints. [ warranty period: 12 mont hs after the date of delivery ] ]