The Jibon Pump is a lever operated deep-set pump for shallow wells. Typically, Jibon Pumps are installed in collapsible tube wells with the screen extending to the coarse sand aquifer. It is designed for family use, serving up to 100 persons. The Jibon Pump is reasonably corrosion resistant and the maximum recommended lift is 18 m. The Jibon Pump is a public domain pump defined by RWSN specifications. It is easy to install and has excellent potential for community-based maintenance.

Description

The Jibon Pump is a lever operated “Medium Well Pump. Typically, Jibon Pumps are installed in collapsible tube wells with the screen extending to the coarse sand aquifer.

Material

Pump head and handle are made of cast iron, pump rods are of FRP-material (Fibre glass Reinforced Plastic). The rising main, the suction pipe and the Robo screen are of PVC-U pipe, Plunger and foot valve are of PVC-U, stainless steel and rubber. This makes this pump reasonably corrosion resistant.

Local manufacturing

The Jibon Pump has an excellent potential for local manufacturing.

Installation

The installation of the Jibon Pump is easy and does not need any lifting equipment or special tools. The drillers who sink the tube wells with the “sludging method” are also installing the pumps.

Technical data

Depths to be used: between 0-18 m,
Cylinder diameter:  54.0 mm,
Maximum Stroke:   215 mm,
Approx. discharge (75 watt input): at 5 m head:       3.0 m³/hour,
  at 10 m head:     1.8 m³/hour,
  at 15 m head:     1.2 m³/hour,
  Pumping lift:            1 - 15 m,
Population served: 50 - 100 people
Households: 5 - 10 hh
Water cons.: 20 - 25 l/per capita,
Type of well:   borehole or dug well

Maintenance

This pump has an excellent “Community Management Potential”. Only two spanners are needed to repair the plunger and the foot valve. All maintenance operations can be performed by a village caretaker.

Remarks

This pump is limited to pumping lifts of max. 20 m. However, it’s
recommended not to go deeper than 15 m. The Jibon Pump is not designed for a high daily output; it is rather a family or small community pump.

Distribution:                                  > 10,000 Bangladesh

Documentation

MUDGAL, A. K. and ERPF, K. (2005) Jibon Deepset Pump Specification (2"). , (Revision 1-2005) , Skat , Rural Water Supply Network , St Gallen, Switzerland

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