Tender For 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 gasket specifications: 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 : -25 to +100 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, neoprene square rubber cord 12x12mm, .