Year of Publishing
Rural Water Supply Network
The bottom support system is a technique for improving reliability of PVC rising mains in deep handpump installations (45 to 100m).
This document provides illustrated technical details of the latest developments of the Bottom Support System
ERPF, K. (2008) Afridev: Handpump with Bottom Support System. (Revision 1-2008) , Skat , Rural Water Supply Network , St Gallen, Switzerland
Afridev Handpump with Bottom Support System
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