procurement of cpvc chlorinated polyvinyl chloride pipes or fittings for acid or alkali storage and injection system of dm plant stage i and ii. procurement of cpvc chlorinated polyvinyl chloride pipes or fittings for acid or alkali storage and injection system of dm plant stage i and ii. total quantity as per nit , cpvc industrial pipe sch-80 ( 2 ) , cpvc industrial pipe sch-80 ( 1-1 / 2 ) , cpvc industrial pipe sch-80 ( 1 ) , cpvc industrial pipe sch-80 ( 2-1 / 2 ) , cpvc industrial pipe sch-80 ( 3 ) , cpvc industrial coupling ( soc ) sch-80 ( 2-1 / 2 ) , cpvc industrial coupling ( soc ) sch-80 ( 3 ) , cpvc industrial coupling ( soc ) sch-80 ( 2 ) , cpvc industrial coupling ( soc ) sch-80 ( 1-1 / 2 ) , cpvc industrial coupling ( soc ) sch-80 ( 1 ) , cpvc industrial reducer coupling ( soc ) sch-80 ( 2×1-1 / 2 ) , cpvc industrial reducer coupling ( soc ) sch-80 ( 2×1 ) , cpvc industrial reducer coupling ( soc ) sch-80 ( 2×2-1 / 2 ) , cpvc industrial reducer coupling ( soc ) sch-80 ( 1×1-1 / 2 ) , cpvc industrial elbow 90° ( soc ) sch-80 ( 2 ) , cpvc industrial elbow 90° ( soc ) sch-80 ( 1-1 / 2 ) , cpvc industrial elbow 90° ( soc ) sch-80 ( 1 ) , cpvc industrial elbow 90° ( soc ) sch-80 ( 2-1 / 2 ) , cpvc industrial elbow 90° ( soc ) sch-80 ( 3 ) , cpvc industrial tee ( soc x soc x soc ) sch-80 ( 2 ) , cpvc industrial tee ( soc x soc x soc ) sch-80 ( 1-1 / 2 ) , cpvc industrial flange one piece ( soc ) sch-80 ( 2 ) , cpvc industrial flange one piece ( soc ) sch-80 ( 1-1 / 2 ) , cpvc industrial flange one piece ( soc ) sch-80 ( 1 ) , cpvc industrial flange one piece ( soc ) sch-80 ( 2-1 / 2 ) , cpvc industrial flange one piece ( soc ) sch-80 ( 3 ) , cpvc industrial jointing compound / cement for sch-80 cpvc pipes / fittings, 946 ml tin ( make: weldon ) { 946 ml tin } , cpvc industrial jointing primer for sch-80 cpvc pipes / fittings, 473 ml tin ( make: weldon ) { 473 ml tin } , cpvc industrial gate valve, heavy duty, o-ring material: epdm, end connection: socket ( 1 ) , cpvc industrial gate valve, heavy duty, o-ring material: epdm, end connection: socket ( 2 ) , cpvc industrial gate valve, heavy duty, o-ring material: epdm, end connection: socket ( 1-1 / 2 ) , cpvc industrial gate valve, heavy duty, o-ring material: epdm, end connection: socket ( 2-1 / 2 ) , cpvc industrial gate valve, heavy duty, o-ring material: epdm, end connection: socket ( 3 )