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Afridev with bottom support

288 bytes added, 01:01, 4 March 2019

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{{Language-box|english_link= Afridev_with_bottom_support | french_link= Coming soon | spanish_link= Coming soon | hindi_link= Coming soon | malayalam_link= Coming soon | tamil_link= Coming soon | swahili_link=coming soon | korean_link= Coming soon | chinese_link=带有底部支撑系统的Afridev泵 | indonesian_link= Coming soon | japanese_link= Coming soon }} [[Image:lever action icon.png|right|80px]][[Image:Afridev bottom.jpg|thumb|right|250px200px|The Afridev pump with bottom support is a deeper pump than the Afridev pump. Photo: [httphttps://www.rwsn.ch/prarticle.2005rural-10water-25supply.9856177177net/prarticle.2005-10-26.2582788867/prarticle.2008-12-04.2105225472en/prarticle.2009-02-04.8005335105 RWSN.]]][[Image:Afridev bottom2.jpg|thumb|right|250px200px|The Afridev pump with bottom support. Photo: [httphttps://www.rwsn.ch/prarticle.2005rural-10water-25supply.9856177177net/prarticle.2005-10-26.2582788867/prarticle.2008-12-04.2105225472en/prarticle.2009-02-04.8005335105 RWSN.]]]

The Afridev Pump with a Bottom Support System (BSS) is a technology that uses a reinforced version of the Afridev Pump together with a Support from the end of the borehole (BSS). The Afridev Pump with BSS is a conventional lever action handpump. The configuration of the down hole components includes threaded riser pipes, standard Afridev cylinder, Pedestal pipe (support from the borehole end), and FRP pumprods.

It is designed for water lifting in low water table areas and the maximal lift recommended is 80 m. The Afridev Pump with BSS is a public domain pump defined by RWSN specifications. The Afridev Pump with BSS is fully corrosion resistant, relatively easy to install by pump mechanics and can be maintained by the communities.

===Suitable conditions===

{|border="1" cellpadding="5"

at 70 m head: 0.4 m³/hour <br>

at 80 m head: 0.35 m³/hour

|-

| Population served:

|up to 150 people

|-

|Households:

|10 – 15 households

|-

|Water consumption:

|15 - 20 l/per capita

|-

|Type of well:

|borehole

|}

Population served: up to 150 people,Households: 10 – 15 households,Water cons.: 15 - 20 l/per capita,Type of well: borehole. ===Construction, operations and maintenance===

Pump head, handle and pump stand are made of galvanised steel, pump rods of FRP rods (fibre glass reinforced plastic), rising main of PVC-U pipe (Ø 48 mm), cylinder of PVC-U pipe with brass liner (Ø 50 mm), plunger of brass and footvalve of plastic. This pump is fully corrosion resistant.

This pump has an excellent “Community Management Potential”, it is reliable, easy to repair by a village caretaker and popular with the communities.

===Acknowledgements===* [https://www.rural-water-supply.net/en/ Afridev Pump with Bottom Support.] RWSN.

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