procurement of coupling for ci pipe for slurry line for unit 5, ahpmm dept., btps , coupling for ci pipe , coupling set of 350nb pipe for ash slurry pipe system, set with 01 no sleeve, 02 nos follower, 10nos 5/8 x12 inch bolt-thread length: 6 inches with 02 nos washer and single nut for each bolt and 2 nos neoprene rubber tapered gasket of size 370nb x 14-3 mm(outside tapered,inside plane) x26mm, sleeve id: 376mm, additional data: sleeve thicknees: 10mm, sleeve length: 200mm, follower id:376mm,od:476 mm,thicknesss:12mm, 10nos 18 dia holes,matching pcd, moc: ms 2062 total assembly to be supplied with fitted in one set , reducer coupling set for 350nb pipe for ash slurry pipe system it consists of 1 no reducer coupling sleeve,2 nos follower of 350nb pipe, 2 nos neoprene rubber tapered gasket, 10 nos ms bolts of size 16 mm x 304.8 mm with double washer single nut and the bolt is threaded up to 152.4 mm. one neoprene rubber tapered gasket of size 370nb x 14-3 mm (outside tapered, inside plane) x 26mm, another neoprene rubber tapered gasket of size 395nb x 14-3 mm (outside tapered, inside plane) x 26mm, reducer coupling sleeve: id1: 376mm, id2: 400 mm, od: 420 mm. length: 200mm follwer 1- id:376mm, od: 476mm, follower 2: id:400mm, od: 500mm thickness: 12mm, 50mm collar, 10nos 18 dia holes, matching pcd for fitment , moc: ms 2062, total assembly to be supplied with fitted in one set , coupling,300nb # # for coarse ash disposal line additional data: set with 01 no sleeve, 02 nos follower, 10nos 5/8 x12 inch bolt-thread length: 6 inches with 02 nos washer and single nut for each bolt and 2 nos neoprene rubber tapered gasket of size 320nb x 14-3 mm(outside tapered,inside plane) x26mm as per sample, sleeve id: 327mm, sleeve thicknees: 10mm, sleeve length: 200mm, follower id:327mm,od:450mm,thicknesss: 12mm, 10nos 18 dia holes, moc: ms 2062 total assembly to be supplied with fitted in one set as per sample , gst, if any