supply and delivery of mechanical joint collars for di pipes, various sizes of cast iron sluice valve, cast iron single and double air valve, ductile iron specials as per is specification to its latest revision on arc basis for the year 2024 to 2025 , mechanical joint (mj) collars for di pipes , 100 mm , 150mm , 200mm , 250mm , 300mm , 350mm , 400mm , 450mm , 500mm , 600mm , c.i d/f sluice valve with cap / wheel as per is 14846 / 2000 pn 1.0 with isi marking with 5 years warranty. , 100mm , 150mm , 200mm , 250mm , 300mm , 350mm , 400mm , 500mm , 600mm , c.i single air valve as per is 14845/2000 and with 5 years warranty , 80mm , 100mm , c.i double air valve as per is 14845/2000 and with 5 years warranty , 80mm , 100mm , 200mm , ductile iron specials as per is 9523/2000 flanged and socketted tail piece , 100mm (1 no = 9 kg/piece) , 150mm (1 no = 14kg/piece) , 200mm(1 no = 21 kg/piece) , ductile iron specials as per is 9523/2000 flanged and spigot tail piece , 100mm (1 no = 10 kg/piece) , 200mm(1 no = 23 kg/piece)