procurement of various consumable items for dm plant-i and ii and tmd-i unit no. 1 and 2 at sgtps, and hydel power station mppgcl, birsinghpur. , spare neoprene rubber diaphragm reinforced with rayon fiber for bdk/pcv make diaphragm valves series s2 k type cast iron rubber lined valve of following sizes , 20 mm , 25 mm , 40 mm , 50 mm , 65 mm , 80 mm , 100 mm , 125 mm , 150 mm , 200 mm , neoprene rubber gasketspecifications: a) specific gravity ; 1.3 +-0.05 b)hardness: 65+-5 sh a c) tensile strength : 85 kg/cm2 d) elongation: 500% e) compression set : 50% f) temperature range : -25º to +100º g) application: oil, water & chemicals , size -1000x2000x2 mm , size-1000x2000x3 mm , size-1000x2000x5 mm , compressed asbestos fiber jointing sheet style 54 super yellow/k100 non-metallic or equivelent make , size: 2000x1500x2.0mm , size: 2000x1500x3.0mm , rectaangular corrugated rubber gasket for condenser water box , neoprenesquare rubber cord 12x12mm