Details: overhauling of 200 mm gate size valves, acw/ccw cooling water line valves at compressor room suction and discharge side gate valve & cleaning of seating surface and lapping of valve gate and seat for perfect matching and checking with leak test, including hire charges t&ps, all consumables and all labour charges etc., overhauling of 100/125mm gate valves, this overhauling involves dismantling, inspection, rectification of defects if any, lapping of valve seat and disc, renewal of sealing rings, gland packing, gaskets, and bonnet gasket, cleaning all parts, inspection of drive bush, bearings, etc. and renewing if necessary and assembling of valves, including hire charges t&ps, all consumables and all labour charges etc., charges for dismantling the 40 - 80mm gate valves, cleaning and checking the internal parts and replacing if necessary, lapping of gate valves and gate ways, providing new gland ropes, re-assembling the valve for trouble free operation with leak test, including hire c
Sector: Power Sector