Treadle pump

The treadle pump consists of two metal cylinders with pistons that are operated by a natural walking motion on two treadles. It is easy to manufacture and can be made locally. The treadles and support structure are made of bamboo or other inexpensive, locally available material. Its simplicity means that all family members can operate the pump making it possible to pump the large volumes of water necessary for irrigation. It is very low cost making it accessible to even very poor farmers. On average farmers are able to generate more than US$100 per annum in extra income. More than two million treadle pumps have been installed worldwide.

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