supply of pipe coupling for btps, obra, sonebhadra (u.p.) supply of pipe coupling for btps, obra, sonebhadra (u.p.) , 14” m.s. pipe coupling set having od - 355.60 mm of ash disposal line (as per sample) one set consists of: (a) sleeve - 01 no. (dimensions of sleeve: id - 365mm, od-387mm, width-173mm, plain-140 mm, both end 16.5 mm each taper.material: m.s.) (b) collar - 02 nos. (dimensions of collar: id - 360 mm, od - 415 mm, depth - 24 mm, width - 35 mm with 8 nos. projected square groove for fixing bolt, material: cast steel) (c) gasket - 02 nos. (dimensions of gaskets: id-350 mm, thickness-12 mm collar side and 3.5 mm sleeve side (one side tapered after 8 mm), width 24 mm to match & fit sleeve taper side. material: neoprene rubber) (d) bolt & nut - 08 nos. (dimensions of bolt: 5/8” x 11” half round square head with 3” threaded portion from one end with one nut. material: m.s.) , 8” m.s. pipe coupling set of ash disposal line (as per sample) one set consists of: (a) sleeve - 01 no. (thickness: 09mm, id - 226mm, od-244mm, width-100mm, material: m.s.) (b) collar - 02 nos. (material: cast steel) (c) gasket - 02 nos. (material: neoprene rubber) (d) bolt & nut - 08 nos. (hex bolt m20 x 220 with nut and double washer, thread length: 80mm, material: m.s.)