Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Materials : Kgtps-Overhauling Of Various Sizes Of Pneumatic, Motor & Hand Operated Valves, Safety Valves, Hpbfp Valve And Replacement Of Defective Valves And Renewal Of Damaged Insulation Works In Stg And Hrsg Areas During Boiler License Renewal At Kgtps/. Submission Date for this Tender is 27-06-2023. Boiler Supply Tenders in Maruthur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Overhauling of MO/AO/HO valves Labour charges for overhauling of valves including dismantling, cleaning, inspection,rectification, lapping of valve seats, renewal of gland packing and sealing ring if necessary, cleaning of all parts , assembling of valve and freeing of valve operation, etc.,. |
| 2 | Valve size : up to 40mm |
| 3 | Valve size : 50 mm to 80mm |
| 4 | Valve size :100 mm to 150 mm |
| 5 | Valve size :200 mm to 250 mm |
| 6 | Replacement of defective valves in HRSG & STG areas. This works involves, cutting the defective valves, edge preparation and welding the new valves with IBR welder. Special welding electrodes will be supplied by the TANGEDCO at free of cost. |
| 7 | Sizes up to 1 ½” |
| 8 | Size 2" to 3" |
| 9 | Size 8" |
| 10 | Removing the damaged insulation, cleaning the areas, cutting the insulation materials (Ceramic fiber wool) to the required size and laying the insulation & released aluminum sheet on the pipe lines/valves. Ceramic fiber wool will be supplied by the TANGEDCO at free of cost.. |
| 11 | Charges for dismantling, noting original setting, inspection, cleaning of all parts, rectification of minor defects, lapping, blue matching and replacement of damaged parts if any and assembling of safety valve and assisting TREVI Testing of safety valves. |
| 12 | Charges for Overhauling of HP Bypass Control Valve: The work of overhauling the HPBFP valve involves dismantling of pneumatic actuator and dismantling, cleaning, inspection,rectification, lapping of valve seats, renewal of spares and gland packing and sealing ring if necessary, cleaning of all parts , assembling of valve, fixing of pneumatic actuator and freeing of valve operation, etc.,. Necessary spares will be supplied by the TANGEDCO at free of cost. |
| 13 | Charges for T&Ps, Consumables such as cutting wheel, buffing wheel, lapping paste, emery sheet, blue, cotton waste, soap solution, etc., |
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