procurement of nrvs and valves for various auxiliaries of unit no. 1 to 4, ph ii, at sgtps, mppgcl, birsinghpur , nrv for stator water pump, body : cf8 m, trim: ss316, class: 300, type: scv serial no: 501 to 504, size: 4”, type of end connection: flanged, pcd: 190 mm, flange to flange: 347 mm, no. of holes in flange: 08 , ms-6 hp-bp warm up isolating line, body size 40 mm, type glove valve, max working pressure 165.61 kg/cm2, max working temperature 540 °c, material: alloy steel, end connection sw, class ansi 2500 pipe od: 48.3mm thickness = 10 mm , ms-8 hp-bp warm up isolating line, body size 40 mm, type glove valve, max working pressure 165.61 kg/cm2, max working temperature 540 °c, material: alloy steel, end connection sw, class ansi 2500 pipe od: 48.3mm thickness = 10 mm , tag no. dmw- 39 filling valve to expansion tank size nb 50 mm, working pressure/ temp. = 10 kg.cm2 / 50 °c, type: gate valve trim disc: astm a351 gr cf8m, pressure class in lbs=150, end details: ff (flat faced)pipe od=60.3 mm thickness= 5.4 mm, flange to flange length 160 mm, no. of hole 4 , nrv for discharge line of boiler feed pumps body size:- 250 mm nb type :- check valve max. working pressure: 262.00 kg/cm2 max. working temp.:- 170 °c material:-cast steel end connection:- butt weld pipe od/thickness :- 244.5/27