GI Riser Pipes, 32mm NB Pipe, mild steel, Medium series, longitudinally welded, to be used as rising main for India Mark II hand pumps, hot dipped galvanized and passivated, manufactured as per IS:1239 (part 1) 2004, socketed one end with a seamless socket, duly galvanized and chamfered, and the other end protected with a HDPE thread protector, covering entire thread of pipe, length 3 meters +0/-25 mm,.