bids are invited for consumables for gas services non-asbestos gasket roll - 3 mm thick x 1.5m x 2m , non-asbestos gasket roll - 0.5 mm thick x 1.5m x 2m , felt seal 6 mm thick x 1 m x 1 m , glass tube -1 -od14 id11 length 575 all in mm , glass tube -2 -od14 id11 length 375 all in mm , glass tube -3 -od14 id11 length 572 all in mm , temperature gauge bottom mounting range- 0-100 deg c , pressure gauge bottom mounting range- 0-2.5 kg per cm.sq. , pressure gauge with built in capsule bottom connection range- 0-400 mmwc. , reducer coupling - brass 3by4inch - 3by8inch , reducer nipple -brass 3by4inch - 3by8inch , coupling - brass 3by8inch , cap -brass 3by8inch , plug - brass 3by8inch , nipple - brass 3by8inch , t - coupling - brass 3by8inch , nipple - brass 5by8inch , reducer coupling - brass 3by8inch- 5by8inch - reducer coupling -brass 3by8inch- 5by8inch , plug - brass 1inch , coupling - brass 1inch , reducer coupling -brass 1inch-3by4 , ms coupling 3by4inch , ms nipple 3by4inch , ms nipple 3by8inch , ms nipple 1inch , flange type ball valve 2 inch 300 , flange type ball valve 3 inch 300 , flange type ball valve 4 inch 300 , cs rf flange 2 inch 300-8 holes , cs rf flange 3 inch 300-8 holes , cs rf flange 4 inch 300-8 holes , cs rf flange 6 inch 300-8 holes , cs rf dummy flange 2 inch , cs rf dummy flange 3 inch , cs rf dummy flange 4 inch