One question a lot of our buyers in Africa ask us when buying our handpumps is this: Are PVC Riser Pipes better or are Galvanized Iron Riser Pipes or some other type the best option? To answer this, let’s take a brief look at some of the Riser Pipes available for Mark 2 Handpump. The GI Riser Pipe shown above is the type used from the very beginning. Each length of 3 meters weights between 7 to 9 Kgs approx  While the pipe is sturdy, it is prone to rusting and the couplers used with these type are poorly quality controlled and fail easily. The Landed cost per length of…